1-5
6-10
11-15
16-20
100
What happens to the speed of a light wave when it moves from a gas to a solid?
It slows down
100
6. What color reflects the most light?
White
100
11. Through which of the following materials would sound travel slowest?
a. Aluminum with a density of 2700 kg/m3
100
16. Electromagnetic radiation is energy that travels in waves. Which statement is true for all forms of electromagnetic radiation?
d. All forms of electromagnetic radiation travel at the same speed.
200
2. Which of the following would a sound wave travel fastest?
Glass
200
7. Great amounts of electromagnetic energy from our sun travel through space. Which is a logical conclusion about these electromagnetic waves?
d. Their waves can travel without a medium
200
12. What is the relationship between the wavelength and frequency of an electromagnetic wave?
If a wave has a long wavelength, it will have a low frequency
200
17. Which of the following statements is incorrect?
d. Lightwaves do not interact with surfaces
300
3. Scientists use three types of investigations to research and develop explanations for events in nature: descriptive investigation, comparative investigation, and experimental investigation.
Which of these scientists is performing an experimental investigation?
a biologist who is testing to see how plants react to certain chemicals
300
8. Which statement best describes the characteristics of white light?
a. White light is composed of a spectrum of many different colors.
300
13. According to the electromagnetic spectrum, what type of radiation had a larger wavelength than those found in the visible light spectrum?
a. Infrared light
300
18. On a sunny morning, students standing in front of a store window noticed an image of themselves in the glass. Why did the students see their image in the glass?
b. Some of the light was reflected off the surface of the glass.
400
4. Jane placed a spoon in a glass of water. When she looked at it, it looked broken. Why did this occur?
Light traveling through the air slows down when it moves through water, causing it to refract
400
9. Which characteristic does not affect the speed of sound through different materials?
a. The color of the substance
400
14. Which statement describes how the visible energy from the Sun is different from the non visible energy?
b. It has different wavelengths.
400
19. What type of light passes through a prism?
c. white
500
5. What is happening when you see your image in a mirror or really sunny window?
Some of the light was reflected off the glass
500
10. Which of these best explains why the pop and spray during a fireworks show do not seem to occur at the same time?
b. Sound travels slower than light.
500
15. Mary is making a chart to show some of the ways electromagnetic waves can be used. Which of the following should she not include on her chart?
c. A battery is used to store electricity from a wind generator.
500
20. Carrie shines a light onto a paper that contains both blue and red wavelengths as shown in the diagram below.
If the paper were blue, what color or colors of light would bounce off the paper?
b. Only blue