2
An object that blocks some light but some light passes through.
4
An object that doesn't block light.
5
Light changes direction slightly when in passes through a transparent material or substance.
6
Thermal energy travels through gas or liquid.
7
Light changes its direction completely when it hits a mirror.
8
When two objects are in contact thermal energy is transferred from one to the other.
9
Thermal energy is transferred through space by electromagnetic waves.
10
A material that tranfers energy easily.
11
A material that doesn't tranfer energy easily.
14
An object that blocks light completely.
