Question

1. the only source of energy that we can see is ______________ energy.
2. reflection is the ______________ of light when it hits an object.
3. refraction is the ______________ of light.

Explanation:

1. Light is the visible form of energy.
2. Reflection is the bouncing - back of light when it hits an object.
3. Refraction is the bending of light.

Answer:

1. light
2. bouncing - back
3. bending