Science Competition Grade 3

Which of the following is a renewable resource?

• Oil

• Tree

• Coal

• Natural gas

Using a bottle of water several times is an example of........

• Recycle

• Reduce

• Reuse

• Pollution

Energy resources that were formed from the remains of organisms are called..............

• Recycle

• Reduce

• Conservation

• Fossil fuels

This type of soil drains water quickly

• Silt

• Clay

• Sand

• Loam

This type of soil that holds water for a long time

• Clay

• Sad

• Silt

• Loam

The upper layer of soil and has a lot of humus is called.........

• Nutrients

• Topsoil

• Subsoil

• Bedrock

The mixture of air, water and tiny pieces of rock is called........

• Soil

• Nutrients

• Humus

• Rock

When ice melts, it will change to..................

• Ice

• Water vapor

• Liquid water

• Evaporation

...................... is when water vapor change to liquid water.

• Condensation

• Evaporation

• Melting

• Freezing

The picture shows...............

• Evaporation only

• Water cycle

• Condensation only

• Precipitation only