| 1. 1 pts. |
Which of the following materials is transparent? | |
| A. | Clear window glass | |
| B. | Your eyelids | |
| C. | Solid wood door | |
| D. | White paper | |
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| 2. 1 pts. |
By passing white light through a prism, you can tell — | |
| A. | that white light is actually a mixture of different colors | |
| B. | the mass of the prism | |
| C. | the original source of the light | |
| D. | that blue light is brighter than white light | |
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| 3. 1 pts. |
The diagram shows the electromagnetic spectrum. Which of the types of electromagnetic energy has the shortest wavelength?
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| A. | visible light | ||
| B. | x rays | ||
| C. | radio waves | ||
| D. | gamma rays | ||
| E. | microwvaves | ||
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| 4. 1 pts. |
The diagram shows some forms of electromagnetic radiation. Which of them will cause sunburn?
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| A. | visible light | ||
| B. | uv light | ||
| C. | microwaves | ||
| D. | x rays | ||
| E. | gamma rays | ||
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| 5. 1 pts. |
Which of these electromagnetic waves travels the fastest in air? | |
| A. | radio waves | |
| B. | visible light | |
| C. | x-rays | |
| D. | all are the same | |
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| 6. 1 pts. |
What colors make up white light? | |
| A. | white only | |
| B. | there is no light in white light. | |
| C. | red, orange, yellow, green, blue, indigo violet | |
| D. | red, yellow, and blue only | |
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| 7. 1 pts. |
When light strikes a transparent object, | |
| A. | the light passes through the object | |
| B. | the light is reflected by the object | |
| C. | the light is absorbed by the object | |
| D. | any of the above | |
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| 8. 1 pts. |
Lenses cause light to bend, or | |
| A. | refract | |
| B. | reflect | |
| C. | contract | |
| D. | stop | |
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| 9. 1 pts. |
The visible spectrum includes | |
| A. | all kinds of radiation | |
| B. | white light and the colors of light in it | |
| C. | light and sound | |
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| 10. 1 pts. |
Red light is a kind of electromagnetic | |
| A. | spectrum | |
| B. | colour | |
| C. | radiation | |
| D. | convection | |
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| 11. 1 pts. |
Which form of electromagnetic radiation can be seen? | |
| A. | infrared light | |
| B. | ultraviolet light | |
| C. | x-rays | |
| D. | none of the above | |
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| 12. 1 pts. |
Which of the following are not part of the Electromagnetic Spectrum | |
| A. | Microwaves | |
| B. | Ultraviolet radiation | |
| C. | Visible light | |
| D. | Sound | |
| E. | Radio waves | |
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| 13. 1 pts. |
Which object helps people understand what makes up white light? | |
| A. | Barometer | |
| B. | Prism | |
| C. | Microscope | |
| D. | Thermometer | |
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| 14. 1 pts. |
Which tool is used to separate white light into the color spectrum? | ||
| A. |
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| B. |
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| C. |
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| D. |
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| 15. 1 pts. |
When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are — | |
| A. | radiated | |
| B. | reflected | |
| C. | refracted | |
| D. | transmitted | |
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