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Questions and Answers
What does it mean for an object to be luminous?
What does it mean for an object to be luminous?
- It can change colors.
- It is always visible.
- It gives off light. (correct)
- It is very heavy.
What characteristic does a transparent object have?
What characteristic does a transparent object have?
- You can see through it. (correct)
- It emits light.
- It absorbs light.
- It reflects light.
When light reflects off a surface, what happens to the light?
When light reflects off a surface, what happens to the light?
- It disappears.
- It passes through.
- It bounces back. (correct)
- It alters its color.
What does it mean for something to illuminate an area?
What does it mean for something to illuminate an area?
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What action does the term 'judge' refer to?
What action does the term 'judge' refer to?
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Study Notes
Vocabulary Terms
- Luminous: An object that emits or gives off light. Example: "The sun is luminous."
- Transparent: An object that allows light to pass through, allowing visibility through it. Example: "A window is transparent."
- Reflect: The process by which light bounces back from a surface without passing through. Example: "The surface of a mirror reflects light."
- Illuminates: Refers to an object that emits light, brightening the area surrounding it. Example: "A lamp illuminates the area around it."
- Judge: To make an estimation or guess about the size, weight, or amount of something. Example: "You might judge the weight of an object before you try to pick it up."
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