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Questions and Answers
What is light considered in terms of matter?
What is light considered in terms of matter?
- Matter
- Gas
- Sound
- Energy (correct)
How fast does light travel approximately?
How fast does light travel approximately?
- 100 km per second
- 200,000 km per second
- 300,000 km per second (correct)
- 400,000 km per second
Why can we see things in space?
Why can we see things in space?
- Space itself emits light
- Because there is artificial lighting in space
- Light from the sun and stars bouncing off objects (correct)
- Due to the presence of air particles in space
What is an interesting fact about sunlight according to the text?
What is an interesting fact about sunlight according to the text?
What is responsible for humans being able to see objects in space?
What is responsible for humans being able to see objects in space?
Which type of light source is the sun?
Which type of light source is the sun?
What is an example of an artificial light source mentioned in the text?
What is an example of an artificial light source mentioned in the text?
Why is moonlight not considered a natural light source?
Why is moonlight not considered a natural light source?
Which source provides the most light energy in the world according to the text?
Which source provides the most light energy in the world according to the text?
Light always travels in curved paths.
Light always travels in curved paths.
Wood is an example of a material that reflects light instead of absorbing it.
Wood is an example of a material that reflects light instead of absorbing it.
Light can be refracted when it hits an object.
Light can be refracted when it hits an object.
Dark colors reflect light while lighter colors absorb light.
Dark colors reflect light while lighter colors absorb light.
The angle of the light hitting a material has no effect on its ability to bounce off the material.
The angle of the light hitting a material has no effect on its ability to bounce off the material.
White light is defined as the mixture of all the visible wavelengths.
White light is defined as the mixture of all the visible wavelengths.
Sunlight is only made up of one color.
Sunlight is only made up of one color.
Different objects appear in different colors because they absorb all colors except the one we see.
Different objects appear in different colors because they absorb all colors except the one we see.
Match the following terms with their descriptions:
Match the following terms with their descriptions:
Match the following examples with their corresponding material type:
Match the following examples with their corresponding material type:
Match the following statements with the correct term:
Match the following statements with the correct term:
Match the examples with their correct material type:
Match the examples with their correct material type:
Match the description with the appropriate material type:
Match the description with the appropriate material type:
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