Energy Transfer and Motion Quiz

Choose three situations which show that energy can be transferred between objects.

• A pot of water boiling after being put on a hot stove

• Counting the number of markers in the package

• Reading agenda as it sits on a desk

• Kicking a soccer ball during a game

• Wind Turbines powering the lights in a house

Two teams of the same number of students, Team C and Team M , are playing tug of war. Both teams pull on the rope, but the flag in the middle does not move. What does this indicate about the forces?

• The forces are balanced.

• Team M is stronger.

• Team C is stronger.

A student pushes a car down a ramp and observes that it moves faster on a smooth road than on a rough road. This happens because the smooth road has -

• less gravity

• more gravity

• less friction

• more friction

Put the objects in order from least to greatest amount of force needed to move that object.

Basketball: 400g

Tennis Ball: 130g

Bowling Ball: 3,000g

• Tennis Ball, Basketball, Bowling Ball

• Basketball, Tennis Ball, Bowling Ball

• Bowling Ball, Tennis Ball, Basketball

• Tennis Ball, Bowling Ball, Basketball

Jenn's lab group wants to know how friction affects motion. They designed an experiment to test the effect of different surfaces on the speed of an object. The type of material used to cover the block is the -

• constant

• hypothesis

• dependent variable

• independent variable

What is the definition of the dependent variable?

• What is changed in an experiment

• What we use to measure an experiments. Results of a change that is made

• What stays the same in an experiment

What is often used to charge devices?

• Solar energy

• Kinetic energy

• Electrical energy

• Thermal energy

What is the result of a toy car transferring energy to a ball?

• The ball will stop moving.

• The ball will start rolling.

• The ball will bounce back.

• The ball will remain stationary.

When a person pushes a toy car using their finger and causes the car to move, energy -

• transfers from the person's finger to the car

• disappears from the person's finger

• is created in the car

• is stored in the car

All Energy can transform into other types of energy?

• True

• False