Science Quiz for Grade 4

Which of the following is an example of a rigid object?

• A sponge

• A metal spoon

• A rubber band

• A piece of cloth

You are given a ball of clay and a wooden block. What will happen if you press both objects with your hand?

• The clay will change shape, but the wooden block will not.

• Both the clay and the wooden block will change shape.

• The wooden block will change shape, but the clay will not.

• Neither the clay nor the wooden block will change shape.

A student presses a rubber ball, and it goes out of shape. When the pressure is removed, the ball goes back to its original shape. What can you conclude about the rubber ball?

• It is a rigid object that resists changes.

• It is a soft object with elasticity.

• It is a soft object without elasticity.

• It is a rigid object that bends easily.

The table below shows how different objects react to being pressed. Which conclusion can you draw about how the listed objects respond to being pressed?

• Rigid objects change shape but do not return to normal.

• Soft objects are easily pressed and always stay deformed.

• Rigid objects do not change shape, while soft objects can bend or compress.

• Both rigid and soft objects behave the same when pressed.

Why is it important to measure the distance and time accurately when something moves?

• To make guessing easier.

• To have accurate and reliable data.

• To make the experiment more exciting.

• To ensure all objects move at the same speed.

A student uses a ruler and a stopwatch to measure the distance and time a toy car travels. The toy car travels 2 meters in 5 seconds. What is the student measuring?

• the weight of the toy car

• the direction in the toy car moves

• the distance and time of the toy car's motion

• the color and size of the toy car

Which object moved the fastest based on the data?

• Toy car

• Rolling ball

• Marble

• All objects moved at the same speed.

What is the term used to describe how far an object moves in a certain amount of time?

• Distance

• Time

• Speed

• Weight

A toy car travels 6 meters in 3 seconds. What are you measuring if you divide the distance by the time?

• The weight of the toy car

• The speed of the toy car

• The time the toy car stopped

• The size of the toy car

A student observes two objects moving. Object A travels 10 meters in 2 seconds and Object B travels 15 meters in 3 seconds. Which object is moving faster, and why?

• Object A, because it travels a shorter distance.

• Object B, because it takes longer to travel.

• Object A, because it covers more distance in less time.

• Object B, because it covers the same distance as Object A.