2019 Energy Review

The ability to do work or cause change

• velocity

• energy

• conversion

• friction

Which of the following has kinetic energy?

• a rock poised for a fall

• an archer's bow that is drawn back

• a rolling bowling ball

• a car waiting at a red light

Unlike kinetic energy, potential energy is ____

• energy of motion

• stored

• conserved

• not measurable

Energy stored in the center of an atom is called ___

• electrical energy

• nuclear energy

• mechanical energy

• chemical energy

What type of energy transformation is taking place when natural gas is used to heat water?

• chemical energy to thermal energy

• thermal energy to mechanical energy

• mechanical energy to electrical energy

• electrical energy to chemical energy

When you rub your hands together on a cold day, you convert ____

• mechanical energy into thermal energy

• thermal energy into nuclear energy

• nuclear energy into thermal energy

• electrical energy into radiant energy

A baseball flying through the air has ___ energy because it is in motion.

• thermal

• potential

• mechanical

• electrical

The metric (SI) unit for all forms of energy is ___

• Joules

• Newtons

• Celsius

• j/kg

____ can cause kinetic energy to change into thermal energy.

• friction

• gravity

• potential energy

• heat

Green plants convert light energy from the sun into ____.

• gravitational potential energy

• chemical energy

• thermal energy

• mechanical energy