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It travels in a straight line, called ray
Light
T or F: Sound waves must travel through a medium
True
What happens when light hits a rough surface?
It relfects in all directions
Can light pass through an object that is opaque?
No, it can´t
What causes changes in the states of matter?
Heat
What´s evaporation?
When a liquid changes to a gas
What´s melting?
When solid turns into liquid
As matter is heated, particles move around more and at a faster rate. This is called....
Expansion
A type of plankton produce its own light. This is called...
Bioluminescence
T or F: Sound is made up of different colors
False. It´s Light
When rays of light aren´t absorbed by an object and bounce off it´s called.......
Reflection
When light passes through a medium with different density, it´s called.....
Refraction
