Grade 4 Final Science

We can save solar energy in ............ and use it later.

• Plants

• Solar cells (solar panels)

• Machines

• Water

Electricity can travel very easily in a ............

• Conductor

• Insulator

• Resistor

• Current

Earth gets warm by the ........... from the sun.

• Conduction

• Radiation

• Convection

............... is the transfer of heat energy between two solid things.

(your hands get hot when you hold a hot cup)

• Conduction

• Radiation

We ......... use NONRENEWABLE energy resources again and again.

• Can

• Can't

Which option in NOT a nonrenewable energy resource?

• Oil

• Coal

• Solar energy

• Natural gas

It takes a ........ time for fossil fuels to form.

• Short

• Long

• No

• Fast

Which option is a fossil fuel?

• Wind energy

• Water energy

• Oil

• Solar energy

When we rub our hands together very fast motion energy changes to ...........

• Solar energy

• Wind energy

• Thermal energy

• Nuclear energy

In a light bulb electrical energy changes to thermal energy and ..................

• Motion Energy

• Light energy

• Muscular energy

• Chemical energy