Grade 4 Science Practice Test

Front

What does a simple electric circuit model using a battery, wires, light bulb, and switch BEST show?

Back

How energy moves through electric currents

Front

If a battery runs out of energy in a circuit, which form of energy will stop being produced?

Back

Light

Front

Which of these objects converts electrical energy to light energy? A star, A flashlight, A campfire, A tea kettle

Back

A flashlight

Front

Which objects are attracted to magnets? List: Rubber Band, Thumbtack, Paper Clip, Aluminum Can, Crayon, Bolt, Penny.

Back

Attracted: Paper Clip, Thumbtack, Bolt; Not Attracted: Rubber Band, Penny, Aluminum Can, Crayon

Front

Observation: "My hands feel warm when I hold them near the fire." What type of energy is this evidence of?

Back

Heat energy

Front

What is a disadvantage of solar panels and a solution to that problem?

Back

They only work with sunlight; store energy in batteries

Front

What do wave models made with ropes show during an earthquake?

Back

How energy moves from a point

Front

What percentage of Earth's water is not safe for drinking?

Back

97%

Front

Why is ocean water less useful for drinking or farming?

Back

It contains salt

Front

Fossils of ocean shells found on a mountain show:

Back

The land was once underwater