critical thinking activity the electromagnetic spectrum answers

Intro to Physics - Critical Thinking Activity - ElectroMagnetic Spectrum

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Description

Use this critical thinking activity to introduce or reinforce the different wavelength categories in the electromagnetic spectrum. When used with an external tool like 'padlet', students can perform a virtual gallery walk where they collect the remaining information on the other wavelength categories.

Students are assigned a wavelength to research and provide information on. Then, they upload their information to an external tool where students can view information to complete the remainder of the document.

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Eletromagnetic Waves Grade 8

Showing top 8 worksheets in the category - Eletromagnetic Waves Grade 8 .

Some of the worksheets displayed are Science 8 electromagnetic spectrum work answer key, Study guide science grade 8, Chapter eight electromagnetic waves, Grade 8 physical science sol review packet, Critical thinking activity the electromagnetic spectrum, Science 8 electromagnetic spectrum work answer key, Science 8 electromagnetic spectrum work answer key, Science 8 electromagnetic spectrum work answer key.

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1. Science 8 Electromagnetic Spectrum Worksheet Answer Key

2. study guide: science grade 8, 3. chapter eight electromagnetic waves, 4. grade 8 physical science sol review packet, 5. critical thinking activity: the electromagnetic spectrum, 6. science 8 electromagnetic spectrum worksheet answer key, 7. science 8 electromagnetic spectrum worksheet answer key, 8. science 8 electromagnetic spectrum worksheet answer key.

Critical Thinking Items

13.1 types of waves.

Give an example of a wave that propagates only through a solid.

• Seismic wave
• Surface wave

Can mechanical waves be periodic waves?

• No, mechanical waves cannot be periodic waves.
• Yes, mechanical waves can be periodic.
• The density of the medium varies with every cycle.
• The mass of the medium varies with every cycle.
• The resistivity of the medium varies with every cycle.
• The volume of the medium varies with every cycle.

13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

If the horizontal distance, that is, the distance in the direction of propagation, between a crest and the adjacent trough of a sine wave is 1 m, what is the wavelength of the wave?

• The wavelength difference between P-waves and S-waves is used to measure the distance to the epicenter.
• The time difference between P-waves and S-waves is used to measure the distance to the epicenter.
• The frequency difference between P-waves and S-waves is used to measure the distance to the epicenter.
• The phase difference between P-waves and S-waves is used to measure the distance to the epicenter.

Two identical waves superimpose in pure constructive interference. What is the height of the resultant wave if the amplitude of each of the waves is 1 m?

13.3 Wave Interaction: Superposition and Interference

• Seismic waves
• Standing waves
• Electromagnetic waves
• Conductivity

What is added together when two waves superimpose?

• Wavelengths

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Spectrum Critical Thinking Grade 7 Answer Key

Spectrum Critical Thinking Grade 7 Answer Key - Displaying top 8 worksheets found for this concept.

Some of the worksheets for this concept are Spectrum 7th grade math workbook, Critical thinking activity the electromagnetic spectrum, The critical thinking, 81 fresh fun critical thinking activities, Spectrum math workbook grade 7, Electromagnetic spectrum work answer key, Common core, Holt science and technology work answers.

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1. Spectrum 7th Grade Math Workbook

2. critical thinking activity: the electromagnetic spectrum, 3. the critical thinking, 4. 81 fresh & fun critical-thinking activities, 5. spectrum math workbook grade 7 -, 6. electromagnetic spectrum worksheet answer key, 7. common core -, 8. holt science and technology worksheets answers.

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Critical Thinking Activity: the Electromagnetic Spectrum

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• Absorption of Light Energy Light, Energy, and Electron Structure SCIENTIFIC Absorption of Light Energy Light, Energy, and Electron Structure SCIENTIFIC Introduction Why does the color of a copper chloride solution appear blue? As the white light hits the paint, which colors does the solution absorb and which colors does it transmit? In this activity students will observe the basic principles of absorption spectroscopy based on absorbance and transmittance of visible light. Concepts • Spectroscopy • Visible light spectrum • Absorbance and transmittance • Quantized electron energy levels Background The visible light spectrum (380−750 nm) is the light we are able to see. This spectrum is often referred to as “ROY G BIV” as a mnemonic device for the order of colors it produces. Violet has the shortest wavelength (about 400 nm) and red has the longest wavelength (about 650–700 nm). Many common chemical solutions can be used as filters to demonstrate the principles of absorption and transmittance of visible light in the electromagnetic spectrum. For example, copper(II) chloride (blue), ammonium dichromate (orange), iron(III) chloride (yellow), and potassium permanganate (red) are all different colors because they absorb different wave- lengths of visible light. In this demonstration, students will observe the principles of absorption spectroscopy using a variety of different colored solutions. Food coloring will be substituted for the orange and yellow chemical solutions mentioned above. Rare earth metal solutions, erbium and praseodymium chloride, will be used to illustrate line absorption spectra. Materials Copper(II) chloride solution, 1 M, 85 mL Diffraction grating, holographic, 14 cm × 14 cm Erbium chloride solution, 0.1 M, 50 mL Microchemistry solution bottle, 50 mL, 6 Potassium permanganate solution (KMnO4), 0.001 M, 275 mL Overhead projector and screen Praseodymium chloride solution, 0.1 M, 50 mL Red food dye Water, deionized Stir rod, glass Beaker, 250-mL Tape Black construction paper, 12 × 18, 2 sheets Yellow food dye Colored pencils Safety Precautions Copper(II) chloride solution is toxic by ingestion and inhalation. [Show full text]
• Ground Penetrating Abilities of a New Coherent Radio Wave And TECHNICAL pApEr Ground penetrating abilities of a new coherent radio wave and microwave imaging spectrometer G C Stove, M J Robinson, G D C Stove, and A Odell, Adrock; J McManus, Department of Earth Sciences, University of St Andrews he early use of synthetic aperture each subsurface rock layer. The aim transmitted ADR beams typically pulsed electromagnetic radio radar (SAR) and light detection of this article is to report on tests operate within the frequency range waves, microwaves, millimetric, or Tand ranging (Lidar) systems from of the subsurface Earth penetration of 1-100MHz (Stove 2005). sub-millimetric radio waves from aircraft and space shuttles revealed capabilities of a new spectrometer In recent years, the technology materials which permit the applied the ability of the signals to penetrate as well as its ability to recognize for the production of laser light energy to pass through the material. the ground surface. Atomic dielectric many sedimentary, igneous and has become widely available, and The resonant energy response resonance (ADR) technology was metamorphic rock types in real- applications of this medium to can be measured in terms of energy, developed as an improvement over world conditions. the examination of materials are frequency, and phase relationships. SAR and ground penetrating radar Although GPRs are now constantly expanding. Although the The precision with which the (GPR) to achieve deeper penetration popular as non-destructive testing earlier applications concentrated process can be measured helps of the Earth’s subsurface through the tools, their analytical capabilities on the use of visible laser light, define the unique interactive atomic creation and use of a novel type of are rather restricted and imaging the development of systems using or molecular response behaviour of coherent beam. [Show full text]
• The Electromagnetic Spectrum The Electromagnetic Spectrum Wavelength/frequency/energy MAP TAP 2003-2004 The Electromagnetic Spectrum 1 Teacher Page • Content: Physical Science—The Electromagnetic Spectrum • Grade Level: High School • Creator: Dorothy Walk • Curriculum Objectives: SC 1; Intro Phys/Chem IV.A (waves) MAP TAP 2003-2004 The Electromagnetic Spectrum 2 MAP TAP 2003-2004 The Electromagnetic Spectrum 3 What is it? • The electromagnetic spectrum is the complete spectrum or continuum of light including radio waves, infrared, visible light, ultraviolet light, X- rays and gamma rays • An electromagnetic wave consists of electric and magnetic fields which vibrates thus making waves. MAP TAP 2003-2004 The Electromagnetic Spectrum 4 Waves • Properties of waves include speed, frequency and wavelength • Speed (s), frequency (f) and wavelength (l) are related in the formula l x f = s • All light travels at a speed of 3 s 108 m/s in a vacuum MAP TAP 2003-2004 The Electromagnetic Spectrum 5 Wavelength, Frequency and Energy • Since all light travels at the same speed, wavelength and frequency have an indirect relationship. • Light with a short wavelength will have a high frequency and light with a long wavelength will have a low frequency. • Light with short wavelengths has high energy and long wavelength has low energy MAP TAP 2003-2004 The Electromagnetic Spectrum 6 MAP TAP 2003-2004 The Electromagnetic Spectrum 7 Radio waves • Low energy waves with long wavelengths • Includes FM, AM, radar and TV waves • Wavelengths of 10-1m and longer • Low frequency • Used in many [Show full text]
• Electromagnetic Spectrum Electromagnetic Spectrum Why do some things have colors? What makes color? Why do fast food restaurants use red lights to keep food warm? Why don’t they use green or blue light? Why do X-rays pass through the body and let us see through the body? What has the radio to do with radiation? What are the night vision devices that the army uses in night time fighting? To find the answers to these questions we have to examine the electromagnetic spectrum. FASTER THAN A SPEEDING BULLET MORE POWERFUL THAN A LOCOMOTIVE These words were used to introduce a fictional superhero named Superman. These same words can be used to help describe Electromagnetic Radiation. Electromagnetic Radiation is like a two member team racing together at incredible speeds across the vast regions of space or flying from the clutches of a tiny atom. They travel together in packages called photons. Moving along as a wave with frequency and wavelength they travel at the velocity of 186,000 miles per second (300,000,000 meters per second) in a vacuum. The photons are so tiny they cannot be seen even with powerful microscopes. If the photon encounters any charged particles along its journey it pushes and pulls them at the same frequency that the wave had when it started. The waves can circle the earth more than seven times in one second! If the waves are arranged in order of their wavelength and frequency the waves form the Electromagnetic Spectrum. They are described as electromagnetic because they are both electric and magnetic in nature. [Show full text]
• W Aves SCIENCE: Electromagnetic Spectrum Keyword Definition Key facts to remember: electromagneti A group of waves that all travel at the same speed in All EM (electromagnetic) waves are transverse waves. c waves a vacuum, and are all transverse. frequency The number of vibrations (or the number of waves) Al l EM waves travel at the same speed (velocity) through a vacuum per second. One hertz (Hz) is one wave per second. (space) at 300 million m/s. infrared (IR) EM radiation that has a longer wavelength than EM waves are grouped based on their wavelengths and frequency. visible. We can feel infrared radiation as warmth. There are 7 basic EM waves. Radio waves, microwaves, infrared, visible light, UV, Xrays , gamma waves. SCIENCE: Waves interface The boundary between two materials. KS4 : AutumnKS4 Term KS4 : AutumnKS4 Term Our eyes can only detect a small part of this spectrum –visible light. refraction The change in direction when a wave goes from one medium to another. Different colours of light have different wavelengths from longest to transverse A wave in which the vibrations are at right angles to shortest: red, orange, yellow, green, blue, indigo, violet. (ROYGBIV) wave the direction the wave is travelling. or pneumonic; Richard Of York Gave Battle In Vain) ultraviolet (UV) EM radiation that has a shorter wavelength than visible light. Used to detect forged bank notes. vacuum A place where there is no matter at all. visible light Electromagnetic waves that can be detected by the human eye. gamma rays Electromagnetic radiation with the shortest SCIENCE: Electromagnetic Spectrum Electromagnetic SCIENCE: wavelengths and highest frequencies. [Show full text]
• Light and the Electromagnetic Spectrum © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © JonesLight & Bartlett and Learning, LLCthe © Jones & Bartlett Learning, LLC NOTElectromagnetic FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION4 Spectrum © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALEJ AMESOR DISTRIBUTIONCLERK MAXWELL WAS BORN IN EDINBURGH, SCOTLANDNOT FOR IN 1831. SALE His ORgenius DISTRIBUTION was ap- The Milky Way seen parent early in his life, for at the age of 14 years, he published a paper in the at 10 wavelengths of Proceedings of the Royal Society of Edinburgh. One of his first major achievements the electromagnetic was the explanation for the rings of Saturn, in which he showed that they con- spectrum. Courtesy of Astrophysics Data Facility sist of small particles in orbit around the planet. In the 1860s, Maxwell began at the NASA Goddard a study of electricity© Jones and & magnetismBartlett Learning, and discovered LLC that it should be possible© Jones Space & Bartlett Flight Center. Learning, LLC to produce aNOT wave FORthat combines SALE OR electrical DISTRIBUTION and magnetic effects, a so-calledNOT FOR SALE OR DISTRIBUTION electromagnetic wave. [Show full text]
• Which Regions of the Electromagnetic Spectrum Do Plants Use to Drive Photosynthesis? Which regions of the electromagnetic spectrum do plants use to drive photosynthesis? Green Light: The Forgotten Region of the Spectrum. In the past, plant physiologists used green light as a safe light during experiments that required darkness. It was assumed that plants reflected most of the green light and that it did not induce photosynthesis. Yes, plants do reflect green light but human vision sensitivity peaks in the green region at about 560 nm, which allows us to preferentially see green. Plants do not reflect all of the green light that falls on them but they reflect enough for us to detect it. Read on to find out what the role of green light is in photosynthesis. The electromagnetic spectrum: Light Visible light ranges from low blue to far-red light and is described as the wavelengths between 380 nm and 750 nm, although this varies between individuals. The region between 400 nm and 700 nm is what plants use to drive photosynthesis and is typically referred to as Photosynthetically Active Radiation (PAR). There is an inverse relationship between wavelength and quantum energy, the higher the wavelength the lower quantum energy and vice versa. Plants use wavelengths outside of PAR for the phenomenon known as photomorphogenesis, which is light regulated changes in development, morphology, biochemistry and cell structure and function. The effects of different wavelengths on plant function and form are complex and are proving to be an interesting area of study for many plant scientists. The use of specific and adjustable LEDs allows us to tease apart the roles of specific areas of the spectrum in photosynthesis. [Show full text]
• Gamma Ray Bursts An Information & Activity Booklet Grades 5-8 1999-2000 StarChild - a Learning Center for Young Astronomers EG-1999-08-001-GSFC WRITTEN BY: Dr. Elizabeth Truelove and Mrs. Joyce Dejoie Lakeside Middle School Evans, Georgia This booklet, along with its matching poster, is meant to be used in conjunction with the StarChild Web site or CD-ROM. http://starchild.gsfc.nasa.gov/ TABLE OF CONTENTS Table of Contents...................................................................................................................i Association with National Mathematics and Science Standards.............................................ii Preface.................................................................................................................................. 1 Introduction to Gamma-Ray Bursts (GRBs).......................................................................... 2 Level 2 Activities Related to Gamma-Ray Bursts.................................................................. 5 A Timely Matter........................................................................................................ 5 Electromagnetic Notation .......................................................................................... 7 Telescopic Trivia....................................................................................................... 9 From Billions to Nonillions ..................................................................................... 10 High-Energy Word Search...................................................................................... [Show full text]
• Radio Wave Propagation Fundamentals Chapter 2: Radio Wave Propagation Fundamentals M.Sc. Sevda Abadpour Dr.-Ing. Marwan Younis INSTITUTE OF RADIO FREQUENCY ENGINEERING AND ELECTRONICS KIT – The Research University in the Helmholtz Association www.ihe.kit.edu Scope of the (Today‘s) Lecture D Effects during wireless transmission of signals: A . physical phenomena that influence the propagation analog source & of electromagnetic waves channel decoding . no statistical description of those effects in terms digital of modulated signals demodulation filtering, filtering, amplification amplification Noise Antennas Propagation Time and Frequency Phenomena Selective Radio Channel 2 12.11.2018 Chapter 2: Radio Wave Propagation Fundamentals Institute of Radio Frequency Engineering and Electronics Propagation Phenomena refraction reflection zR zT path N diffraction transmitter receiver QTi path i QRi yT xR y Ti yRi xT path 1 yR scattering reflection: scattering: free space - plane wave reflection - rough surface scattering propagation: - Fresnel coefficients - volume scattering - line of sight - no multipath diffraction: refraction in the troposphere: - knife edge diffraction - not considered In general multipath propagation leads to fading at the receiver site 3 12.11.2018 Chapter 2: Radio Wave Propagation Fundamentals Institute of Radio Frequency Engineering and Electronics The Received Signal Signal fading Fading is a deviation of the attenuation that a signal experiences over certain propagation media. It may vary with time, position Frequency and/or frequency Time Classification of fading: . large-scale fading (gradual change in local average of signal level) . small-scale fading (rapid variations large-scale fading due to random multipath signals) small-scale fading 4 12.11.2018 Chapter 2: Radio Wave Propagation Fundamentals Institute of Radio Frequency Engineering and Electronics Propagation Models Propagation models (PM) are being used to predict: . [Show full text]
• Chapter 24: Waves, Sound, and Light 681-S1-MSS05 8/13/04 4:59 PM Page 692 Waves, Sound, and Light Ups and Downs sections This wind surfer is riding high for now, but 1 Waves that will change soon. The energy carried by 2 Sound Waves ocean waves makes this a thrilling ride, but Lab Sound Waves in Matter other waves carry energy, too. Sound waves 3 Light and light waves carry energy that enable you Lab Bending Light to hear and see the world around you. Virtual Lab What are some Science Journal Write a short paragraph describing characteristics of waves? water waves you have seen. 692 Mark A. Johnson/CORBIS 681-S1-MSS05 8/13/04 4:59 PM Page 693 Start-Up Activities Waves Make the following Foldable to compare and con- trast the characteristics of Wave Properties transverse and compressional waves. If you drop a pebble into a pool of water, you notice how the water rises and falls as waves STEP 1 Fold one sheet of lengthwise paper in half. spread out in all directions. How could you describe the waves? In this lab you’ll make a model of one type of wave. By describing the model, you’ll learn about some properties of all waves. STEP 2 Fold into thirds. 1. Make a model of a wave by forming a piece of thick string about 50-cm long into a series of S shapes with an up and STEP 3 Unfold and draw overlapping ovals. down pattern. Cut the top sheet along the folds. 2. Compare the wave you made with those of other students. [Show full text]
• What Is Electromagnetic Radiation? What Is Electromagnetic Radiation? How are radio waves, visible light, and X-rays similar? They are all types of electromagnetic radiation. All three travel — radiate — and are made or detected by electronic (or magnetic) sensors, like a T.V., a digital camera, or a dentist’s X-ray machine. Types of electromagnetic radiation with which we are most familiar include ultraviolet light (causing sunburn), infrared light (in remote controls), and microwaves (in ovens). Electromagnetic radiation is made of electromagnetic waves. It is classified by the distance from the crest of one wave to the crest of the next — the wavelength. These waves can be thousands of miles long, like radiowaves, or smaller than an atom, like gamma rays! Collectively, these wavelengths make a spectrum — the electromagnetic spectrum. The shorter the wavelength, the more energetic the electromagnetic radiation. Radio waves, including microwaves, have long wavelengths and relatively low energy levels. Visible light, ultraviolet rays, X-rays, and gamma rays have shorter wavelengths and correspondingly higher levels of energy. The wavelengths of ultraviolet light, X-rays, and gamma rays are short enough to interact with human tissue and even alter DNA. What Is Reflectance Spectroscopy? Spectroscopy is the study of the electromagnetic radiation emitted, absorbed, or reflected by an object. Reflectance spectroscopy is the study of electromagnetic radiation that is reflected from an object, such as a leaf, a rock, or ice on a distant planet’s surface. We have a source of electromagnetic radiation right in our solar system — our Sun! The light we see with our eyes coming from moons and planets is actually reflected sunlight. [Show full text]
• The Electromagnetic Spectrum CESAR’S Booklet The electromagnetic spectrum CESAR’s Booklet The electromagnetic spectrum The colours of light You have surely seen a rainbow, and you are probably familiar with the explanation to this phenomenon: In very basic terms, sunlight is refracted as it gets through water droplets suspended in the Earth’s atmosphere. Because white light is a mixture of six (or seven) different colours, and each colour is refracted a different angle, the result is that the colours get arranged in a given order, from violet to red through blue, green, yellow and orange. We can get the same effect in a laboratory by letting light go through a prism, as shown in Figure 1. This arrangement of colours is what we call a spectrum. Figure 1: White light passing through a prism creates a rainbow. (Credit: physics.stackexchange.com) Yet the spectrum of light is not only made of the colours we see with our eyes. There are other colours that are invisible, although they can be detected with the appropriate devices. Beyond the violet, we have ultraviolet, X-rays and gamma rays. On the other extreme, beyond the red, we have infrared and radio. Although we cannot see them, we are familiar with these other types of light: for example, we use radio waves to transmit music from one station to our car receiver, ultraviolet light from the Sun makes our skin get tanned, X-rays are used by radiography machines to check if we have a broken bone, or we change channel in our TV device by sending an infrared signal to it from the remote control. [Show full text]

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Spectrum Critical Thinking Grade 7 Answer Key

Displaying top 8 worksheets found for - Spectrum Critical Thinking Grade 7 Answer Key .

Some of the worksheets for this concept are Spectrum 7th grade math workbook, Critical thinking activity the electromagnetic spectrum, The critical thinking, 81 fresh fun critical thinking activities, Spectrum math workbook grade 7, Electromagnetic spectrum work answer key, Common core, Holt science and technology work answers.

Found worksheet you are looking for? To download/print, click on pop-out icon or print icon to worksheet to print or download. Worksheet will open in a new window. You can & download or print using the browser document reader options.

1. Spectrum 7th Grade Math Workbook

2. critical thinking activity: the electromagnetic spectrum, 3. the critical thinking, 4. 81 fresh & fun critical-thinking activities, 5. spectrum math workbook grade 7 -, 6. electromagnetic spectrum worksheet answer key, 7. common core -, 8. holt science and technology worksheets answers.