Share Grade 4 Light and Sound Quiz
Save to Folder
What is light?
Light is a form of electromagnetic energy that our eyes can detect. It travels in a straight line.
What is sound?
Sound is created when something vibrates and sends waves of energy or vibration into our ears.
True or False? Vibrations are the numbers of sounds you hear in one minute.
False. Vibrations are invisible waves that move up and down very quickly.
List 3 examples of natural light.
Sun, Fire, Fireflies
List 3 examples of artificial light.
Light bulb, computer screen, flashlight
When light passes through an object and bends. This is called ________.
Refraction
When light stops at an object and doesn't reflect. This is called _____________.
Absorption
