Waves and Information Transfer
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a wave?
Back
A wave is a disturbance that travels through space and matter, transferring energy from one place to another.
2.
FLASHCARD QUESTION
Front
What does it mean to reflect light?
Back
To reflect light means to bounce back light waves when they hit a surface, like a mirror.
3.
FLASHCARD QUESTION
Front
What is an example of an object that reflects light?
Back
A mirror is an example of an object that reflects light.
4.
FLASHCARD QUESTION
Front
How do sound waves travel?
Back
Sound waves travel through air (gas), liquids, or solids by vibrating the particles in those mediums.
5.
FLASHCARD QUESTION
Front
What is the main way a television remote control sends information?
Back
A television remote control sends information using light waves.
6.
FLASHCARD QUESTION
Front
What happens to water when it is disturbed?
Back
When water is disturbed, it moves up and down, creating waves.
7.
FLASHCARD QUESTION
Front
What is the difference between opaque and translucent materials?
Back
Opaque materials do not allow light to pass through, while translucent materials allow some light to pass through but not clear images.
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