Understanding Light and Sound
Flashcard
•
History
•
4th Grade
•
Practice Problem
•
Hard
Wayground Content
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35 questions
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1.
FLASHCARD QUESTION
Front
What is light?
Back
A type of energy that lets us see the world around us
2.
FLASHCARD QUESTION
Front
What is a ray?
Back
A straight line of light
3.
FLASHCARD QUESTION
Front
Which term describes light sources that produce their own light?
Back
Luminous
4.
FLASHCARD QUESTION
Front
What is thermal energy?
Back
Energy created by the motion of particles (e.g., heat)
5.
FLASHCARD QUESTION
Front
Which term describes objects that cannot produce their own light? Options: Luminous, Non-Luminous, Transparent, Refraction
Back
Non-Luminous
6.
FLASHCARD QUESTION
Front
What is transparent matter?
Back
Matter that allows all light to pass through it, making it clear
7.
FLASHCARD QUESTION
Front
What does translucent mean?
Back
Matter that allows some light to pass through, but not all.
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