Inspire Science Unit 1, Lesson 2

A bowling ball can knock down more pins when it is moving _______.

• Slower
• Faster
• Sideways
• Upwards

______ is the energy of motion.

• Potential Energy
• Kinetic Energy
• Thermal Energy
• Chemical Energy

Energy is the ability to do work.

• True

• False

Which ball will hit the books harder?

• #1

• #2

On a roller coaster, as the cars go down the hill, the energy of motion increases.

• True

• False

On a roller coaster, as the cars pull to the top of the first hill, the potential energy decreases.

• True

• False

On a roller coaster, as the cars slow down at the end of the ride, energy of motion decreases.

• True

• False

What will happen if you increase the amount of kinetic energy?

• The object will move slower.

• The speed will stay the same.

• The object will move faster.

Lisa is roller skating. As she speeds up her energy of motion _________.

• decreases
• remains the same
• is transferred to the ground
• increases

How can the speed of a dropped ball be increased?

• Increase the height from where it's dropped.

• Decrease the heigh from where it's dropped.

• Increase the amount of friction.