3rd Trim Long Test Review

Which idea about force is shown in this situation:

The baker makes pretzels by pushing and pulling the dough.

• force can change the direction of objects

• force can change the size and shape of objects

• force can stop a moving object

• force can make things go fast

Which is FALSE about the sources of heat?

• The sun is our main source of heat.

• Burning fuels helps make the Earth clean.

• Heat from the sun is solar energy.

• Geothermal heat can be used to make electricity.

Why do we have day and night here on Earth?

• The moon causes night.

• Revolution causes day and night.

• The axis causes day.

• Rotation causes day and night.

Which statement is NOT TRUE?

• Transparent objects let all the light pass through.

• Opaque objects let a little light pass through.

• Sunglasses and wax paper are translucent objects.

• Whiteboard is an opaque object.

Which sentence describes a stationary object?

• It changes its position.

• It is very fast.

• It moves slowly.

• It does not change its position.

Which of the following causes the ball to bounce up and down?

• gravity

• running water

• wind

• electricity

It is force that can make an object move away from you.

It has two poles that can attract objects made of iron and steel.

The driver exerts force on the steering wheel to turn right. What does this show about force?

• Force can change the speed of a moving object.

• Force can change the size and shape of an object.

• Force can change the position of an object.

• Force can make objects stop.

When a living organism gives off light, this is called...

• light spectrum

• bioluminescence

• biological light

• opaque object