Which factor does not affect the speed of sound? A Temperature C. Density B. Distance D. Elasticity 2. What happens to the speed of sound when the temperature decreases? A. The speed of the sound will travel fast. B. The speed of the sound will travel moderately. C. The speed of the sound will travel slow. D. The speed of the sound will stop. 3. What happens to the speed of sound when temperature increases? The speed of the sound will travel fast. B. The speed of the sound will travel moderately. C. The speed of sound will travel slow. D. The speed of sound will stop. 4. Where does sound travel faster? A in warm air C. In open air B. In cold air D. In close air 5. Which is not a primary color of light? A Blue C. Red B. Green D. Yellow 6. What is the outermost color of a rainbow? A Blue C. Red B. Orange D. Violet 7. What is needed for heat to be transferred between two bodies in contact? A. They must have different latent heats B. They must have different masses C. They must have different specific heat D. They must have different temperatures v 8. What happens to a substanca when heated? A Expand C. Remains the same B. Contract D. Expand and then contract 9. Which of the following is true about the colors of light? A The shorter the wavelength, the lesser the energy B. The lower the wavelength, the lesser the refractive Index C. The longer the wavelength, the greater the energy. D. The higher the wavelength, the lesser the refractive index 10. Which of the following wavelength order of visible light are from shortest to longest? A BIG ROY C. ROY GBIV B. GIVRYOB D.VIB GYOR 11. What happens to a substance when cooled? A Expand C. Remains the 8. Contract D. Expand and then contract 12. Why do metals easy to heat up and cool down? A Because most metals have low specific heat capacities. B. Because most metals have high specific heat capacities C. Because most metals have high heat tolerance D. Because most metals have low heat tolerance. 13. Which of the following statements best explains why you can hear noises long distances at night? A. There are fewer other noises at night. B. Water conducts sound better at night. C. Sound bounces off water better at night. D. Sound waves are bent towards the cool air. 14. Which of the following is true about the effect of temperature to the rate of how sound travels? A. Temperature increases the speed of sound. B. Temperature decreases the speed of sound, C. Warmer particles move at a constant rate. D. Warmer particles move at a slower rate. 15. Which among the color of the visible spectrum refracted the most, as a ray of light passes through a prism and dispersion occurs? A. Yellow C. Green B. Red D. Violet 16. Which among the colors of white light has the shortest wavelength and highest frequency? A. Blue C. Violet B. Indigo D. Green 17. What happens to the size of a hole cut in a metal plate, when plate is then heated? A. Decreases C. Remains the same B. Increases D. Increases and then decreases 18. Why is water usually used as cooling agent? A. Because water has a very high specific heat capacity. B. Because water has a very low specific heat capacity. C. Because water has a moderate specific heat capacity. D. Because water has an average specific heat capacity.
