TEKS EM Exit Ticket
Quiz by Rebekah Beard
Grade 8 STAAR Test (Adopted 2021)
Science (2021)
Texas Essential Knowledge and Skills (TEKS)
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14 questions
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- Q1Which of the following types of waves transfers energy without transferring matter?Ocean wavesElectromagnetic wavesLongitudinal wavesSeismic waves120s8.8
- Q2What is the main difference in energy transfer between mechanical waves and electromagnetic waves?Electromagnetic waves cannot travel through a vacuumBoth require a medium to travel throughMechanical waves do not transfer energyMechanical waves require a medium to travel through, while electromagnetic waves do not.120s8.8
- Q3How does the frequency of a wave affect the energy it carries?Frequency does not affect the energy.Higher frequency waves carry more energy.Lower frequency waves carry more energy.Higher frequency waves carry less energy.120s8.8
- Q4What happens to the wavelength of a wave if its frequency increases while the speed remains constant?The wavelength becomes infinite.The wavelength stays the same.The wavelength decreases.The wavelength increases.120s8.8
- Q5How do transverse waves and longitudinal waves differ in the way they transfer energy?Transverse waves move perpendicular to the direction of energy transfer, while longitudinal waves move parallel.Transverse waves cause molecules to vibrate, but longitudinal waves do not.Both move parallel to the direction of energy transfer.Transverse waves move with the energy, but longitudinal waves move against it.120s8.8
- Q6What happens to the speed of a wave if it moves from a less dense medium to a denser medium, assuming the frequency remains constant?The wave stops completely.The speed decreases.The speed remains the same.The speed increases.120s8.8
- Q7Which application of electromagnetic waves is most commonly used for killing bacteria and viruses in medical settings?Ultraviolet sterilizationFiber opticsMicrowavesWireless technologies120s8.8(B)
- Q8How are electromagnetic waves utilized in the field of astronomy?Fiber opticsAstronomical observationsX-raysRadiation therapy120s8.8(B)
- Q9Which electromagnetic wave application is crucial for transmitting information over long distances with high speed and low loss?Fiber opticsUltraviolet sterilizationX-raysMicrowaves120s8.8(B)
- Q10Which electromagnetic wave application is primarily used for cooking as well as in various communication systems?MicrowavesX-raysRadiation therapyUltraviolet sterilization120s8.8(B)
- Q11Which application of electromagnetic waves is used to treat cancer by targeting and destroying cancerous cells?Radiation therapyFiber opticsWireless technologiesUltraviolet sterilization120s8.8(B)
- Q12In transverse waves, which characteristic describes the distance from the rest position to the crest or trough?SpeedAmplitudeWavelengthFrequency120s8.8(A)
- Q13Which characteristic of a transverse wave is defined as the number of cycles that pass a point in one second?WavelengthVelocityAmplitudeFrequency120s8.8(A)
- Q14Which property of a transverse wave determines its color in the visible light spectrum?AmplitudeFrequencySpeedWavelength120s8.8(A)