PART 2: Revision Progress Track 4

Which two forms of energy does the earth receive directly from the sun?

• Light and sound

• Light and thermal

• Electrical and heat

A flashlight produces light energy by using which of the following type of energy from batteries?

• sound

• Light

• Electrical

On a hot, sunny day, what color shirt would absorb the most heat?

• Yellow

• Black

• green

An object produces sound because it ____________________.

• A.generates electrical energy

• B.causes air to vibrate

• C.reflects light from the sun

• D.absorbs heat from water

What is vibration?

• A.how loud a sound is

• B.the back and forth movement of matter

• C.how high or low a sound is

• D.the loudness or softness of a sound

There are 3 R's Reduce, Reuse and _____________.

Energy is a measure of the ability to cause change in ______________.

Energy from the Sun is called _______ energy.

Electric current is a flow of ______________ charges along a path.

Transparent materials block the light.

• True

• False