Share Light and Sound
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What kind of object allows all light to pass through it, and you can see through it?
Transparent
What kind of object allows some light to pass through it and allows you to see a blurry or not so clear view of what is on the other side of it?
Translucent
What kind of object does not allow any light to pass through it so that you cannot see through it?
Opaque
Reflection occurs when...
light strikes a surface and bounces off.
When a flashlight is aimed at a mirror or other smooth and shiny object, what happens to the light after if first hits the mirror?
It bounces off at the same angle that it hit the mirror.
Refraction occurs when...
light bends.
What type of lens is oval shaped, thicker in the middle, and can help magnify?
convex
What type of lens curves inward and causes light to spread out?
Concave
What solid and transparent object separates white light into different colors?
A prism.
When you hold up a prism to a light source, what happens to the light when it passes through and leaves out the other side of the prism?
It bends after it enters the prism and separates into the colors that make up white light.
What makes a sound?
Vibrations in the air.
What is a measure of how high or how low a sound is?
pitch
What is it called when a sound bounces off of an object and you can hear it over and over?
An echo.
Sound waves travel through...
solids, liquids, and gasses.
What is the height of a sound wave from the midway point to the top of the wave crest that determines how loud a sound is called?
amplitude
What type of communication would not work for astronauts on the moon?
Making sounds
