Understanding Forces and Energy

Which of the following is an example of a force that can change the shape of an object?

• Gravity

• Wind

• Push

• Heat

What happens when you push a rigid object, like a metal box, with a strong force?

• It moves easily

• It changes shape

• It stays in the same position

• It breaks into smaller pieces

Which of the following materials will most likely bend when a force is applied?

• Steel

• Rubber

• Glass

• Wood

How can you change the speed of a moving object?

• By applying force to it

• By observing it carefully

• By measuring its temperature

• By making it lighter

What is the name of the force that pulls objects toward the Earth?

• Friction

• Magnetism

• Gravity

• Tension

Which equipment will you use to measure the distance of a moving object?

• Thermometer

• Stopwatch

• Ruler

• Compass

If you want to measure the time it takes for an object to move, which tool should you use?

• Ruler

• Thermometer

• Stopwatch

• Scale

Which of the following is an example of an object that is not moving?

• A rolling ball

• A plane flying in the sky

• A stationary chair

• A running car

The speed of a car is 60 km/h. What can you conclude?

• The car is stationary.

• The car is moving fast.

• The car is moving slowly.

• The car is not moving at all.

When an object moves in a straight line at a constant speed, we say its speed is:

• Uniform

• Zero

• Fast

• Variable