PHYSICS

The primary source of energy on the earth is ______.

• wood
• sun
• moon
• wind

The following are natural sources of energy EXCEPT

• water
• sun
• petroleum
• wind

The energy possessed by a body in motion is _______.

• potential
• gravitational
• kinetic
• magnetic

A generator converts mechanical energy into ________ energy.

• electrical
• heat
• chemical
• light

The energy a body possesses by reason of its position at rest is ______.

• kinetic
• chemical
• electrical
• potential

_______ cannot be _______ nor destroyed, but may be converted from one form to the other.

• Force, created
• Energy, heated
• Force, managed
• Energy, created

What type of energy does food usually contain?

• Light
• Kinetic
• Chemical
• Electrical

__________ is an example of conversion of electrical energy to light energy.

• Pressing iron
• Electric bell
• Electric bulb
• Battery

__________ converts electrical energy to sound energy.

• Pressing iron
• Electric bell
• Electric bulb
• Battery

Transformation of energy is also known as _____.

• renewable energy
• conversion of energy
• forms of energy
• solar energy