Ch.12 - Energy

When a bat hits a baseball, which of the following is transferred from the bat to the ball?

• work

• energy

• force

• electrical

As a baseball flies through the air after being hit, which of the following types of energy does it have?

• potential energy

• kinetic energy

• mechanical energy

• chemical energy

Which of the following is the formula for finding kinetic energy?

• KE = m/v

• KE = mv/2

• KE = mv2/2

• KE = v/2

What is a force that opposes motion between two surfaces that are touching called?

• friction

• kinetic energy

• chemical energy

• mechanical energy

What happens when electrical energy is changed to thermal energy?

• an energy change takes place

• a force change takes place

• an energy conversion takes place

• an electrical conversion takes place

When you eat fruits and vegetables, which of the following types of energy are you taking in?

• thermal energy

• sound energy

• electrical energy

• chemical energy

Which of the following is a conversion from light energy to chemical energy?

• turning on a stove to heat dinner

• turning on a lamp

• growing an apple tree

• making toast in a toaster

What is the energy of motion?

• gravitational potential energy

• light energy

• potential energy

• kinetic energy

What is the ability to do work?

• force

• energy

• gravitational potential energy

• elastic potential energy

What is the energy an object has because of its position?

• electrical energy

• sound energy

• potential energy

• kinetic energy