Science IFourth Quarter, SY 2014-2015

Name:________________________________________Score:_________________Grade/Sec:___________________________________Date:__________________

I. Multiple Choice.Directions: Choose the best answer. Write the letter of the correct answer before the number. No erasure, use CAPITAL letter.

1. What corresponds to the trough of a transvers wave in a sound waves?A. B. RarefactionC. CompressionD. AmplitudeE. Wavelength2. 3. Four waves, label A, B, C, and D are shown below

4. Which diagram shows the wave with the greatest frequency?A. B. AC. BD. CE. D5. 6. What is the name given to the lowest point of a wave?A. B. crestC. troughD. amplitudeE. rest position

7. What is the speed of a wave with a wavelength of 4 cm and a frequency of 8 hertz?A. B. 0.5 cm/sC. 2 cm/sD. 12 cm/sE. 32 cm/s

8. Which statement is true regarding mechanical and electromagnetic waves?A. Both types of waves require a medium.B. Neither type of wave requires a medium.C. A mechanical wave requires a medium, but an electromagnetic wave does not.D. The speed of an electromagnetic wave can be affected by a medium, but the speed of a mechanical wave cannot.9. Suppose a mechanical wave is traveling through medium A. When the wave enters medium B, it speeds up. Which of the following statements is true about medium A and medium B?A. Medium A is a solid and medium B is a gas.B. Medium A is a liquid and medium B is a solid.C. Medium A is a gas and medium B is a vacuum.D. Medium A is a vacuum and medium B is a liquid.10. Which statement describes an electromagnetic wave with a long wavelength?A. It has a high frequency and low energy.B. It has a high frequency and high energy.C. It has a low frequency and can travel through a vacuum.D. It has a low frequency and needs a medium to travel through.11. Which statement is true about the speed of an electromagnetic wave?A. It is not affected by changes in media.B. It is slower in a vacuum than in a medium.C. In a vacuum, its speed equals half the speed of light.D. It slows down when it goes from a vacuum to a medium.12. Which of these pairs has terms that INCORRECTLY matched?A. B. Amplitude LoudnessC. Waveform IntensityD. Interference BeatE. Reflection - Echo

13. The frequency which is not audible to the human ear is ______.A. B. 50 HzC. 500 HzD. 5000 HzE. 50000 Hz

14. When sunlight passes into and out of a raindrop, the light rays bend. Which color of light bends the most?A. B. BlueC. GreenD. OrangeE. red15. 16. Who performed the first successful measurement of the speed of lightA. B. FizeauC. FoucaultD. GalileoE. Michelson17. 18. The unit for luminous flux.A. B. cdC. lmD. lpE. lx19. 20. An overhead light shines onto a sheet of white paper. Which term best describes what happens to the light?A. B. absorbedC. reflectedD. refractedE. transmitted21. 22. To print text that is to appear red when viewed in white light, you would use ________.A. an ink that absorbs only magentaB. an ink that absorbs only yellowC. an ink that absorbs only greenD. an ink that absorbs only cyan23. Combinations of only red and blue _____.A. produce colors that are complementary to yellowB. produce colors that are complementary to orangeC. produce colors that are complementary to greenD. produce colors that are complementary to cyan24. A 3 liter bottle of water is placed in refrigerator, and heat is removed from the water. The number of collisions that occur between the water molecules __________.A. B. decreasesC. disappearsD. increasesE. stays the same17. 19. What is the theoretical temperature when all motion stops?A. B. -273 Kelvins.C. 0 degrees Celsius.D. 0 degrees Fahrenheit.E. 0 Kelvins.20. 21. What is the boiling point of water?A. B. 0 degrees Celsius.C. 100 degrees Celsius.D. 100 degrees Fahrenheit.E. 100 Kelvins.22. 23. Which of the following temperatures are NOT possible?A. -5 Kelvins.B. 2 degrees CelsiusC. 45 degrees CelsiusD. -274 degrees Fahrenheit.24. Which of the following is NOT a way of transferring heat?A. B. ConductionC. ConvectionD. InsulationE. Radiation

25. Transfer of energy that does NOT require matter is __________.A. B. conductionC. convectionD. insulationE. radiation26. 27. Dial thermostats have bimetallic strips in them to regulate the temperature. Bimetallic strips are made of two pieces of metal that have ____________ of expansion.A. B. different ratesC. high ratesD. rigid ratesE. the same rates28. All of the following are good conductors except __________.A. airB. aluminumC. copperD. silverShort Answer1. Mara is a champion surfer. What property of an ocean wave might be more important for her? Explain your answer. (Worth 3 points.)

2. A student puts a thin sheet of red plastic and a thin sheet of blue plastic over a flashlight. He then turns on the flashlight and points it toward a sheet of white paper. What will happen? Explain your answer. (Worth 3 points.)3. How are the frequency, wavelength, and energy of electromagnetic waves related? (Worth 3 points.)

4. How fast can electromagnetic waves travel? (Worth 2 points.)

5. There are three temperature scales that are used by scientists to measure temperature. How are they different from each other? (Worth 3 points.)

6. There are three ways in which heat is transferred between substances.A. List each way and provide an example of heat is transferred. (Worth 2 points.)B. How are all three ways of heat transfer alike? (Worth 2 points.)C. How are all three ways of heat transfer different? (Worth 2 points.)