Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Unit 5 Sound, heat and light
0
%
0
0
0
Back
Restart
As matter is heated, particles move around more and at a faster rate. This is called....
Expansion
Oops!
Okay!
What happens when light hits a rough surface?
It relfects in all directions
Oops!
Okay!
What causes changes in the states of matter?
Heat
Oops!
Okay!
A type of plankton produce its own light. This is called...
Bioluminescence
Oops!
Okay!
Can light pass through an object that is opaque?
No, it can´t
Oops!
Okay!
What´s melting?
When solid turns into liquid
Oops!
Okay!
What´s evaporation?
When a liquid changes to a gas
Oops!
Okay!
When rays of light aren´t absorbed by an object and bounce off it´s called.......
Reflection
Oops!
Okay!
When light passes through a medium with different density, it´s called.....
Refraction
Oops!
Okay!
T or F: Sound is made up of different colors
False. It´s Light
Oops!
Okay!
Oops!
Okay!
It travels in a straight line, called ray
Light
Oops!
Okay!
T or F: Sound waves must travel through a medium
True
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies