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

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

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

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

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

Which option in NOT a nonrenewable energy resource?

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

Which option is a fossil fuel?

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

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

Which one of the energy resources is cleaner?

Which option explains the picture better?

What does conservation mean?

Which option is NOT a continent?

Which option is a continent?

*This map shows how high or low a place is*

What type of map is it?

It is an imaginary line that divides earth into two parts.

What type of rock is it?

Weathering breaks rocks into ........ pieces.

What type of erosion is this

What is it?

What part of a plant takes in sunlight?

Which part of plants takes in water and nutrients?

Where do plants get the oxygen they need from?

Which option is NOT a plant needs?