Review Unit 4 SA 1

Water is needed for _______.

A: plants to make food

B: some animals to respire

C: all living things to survive

D: some animals and plants to live in

• A and D only

• A, B, and C only

• B, C, and D only

• A, B, C, and D

What cannot be a source of material for making a chair?

• Soil

• Plants

• Rocks

• Animals

Which of the following is not an example of a natural resource?

• Soil

• Plants

• Animals

• The Moon

Which of the following is not a fossil fuel?

• Oil

• Coal

• Wood

• Natural gas

Which plant will survive?

• A

• B

• C

• D

Which two plants will not survive even if all of the plants are placed in an area with plenty of air?

• A and B

• B and C

• B and D

• C and D

Alloys are _______.

• extracted from the ground

• similar to wood obtained from trees

• obtained by drilling into the sea floor

• formed by mixing pure metals and other metals or non-metals

We cannot conserve natural resources by _______.

• driving to work or school daily

• reusing plastic bottles as plant pots

• using the fan instead of the air conditioner daily

• carrying out outdoor activities instead of watching television

Which of the following is not a reason why we need to conserve our forests?

• Trees need time to grow.

• Cutting down trees in forests helps to save space.

• The air we breathe and the wood we use come from trees.

• Forests provide food, water and shelter for many living things.

Which of the following does not help in conserving metals?

• Recycling steel to make pipes

• Reusing tin cans as pencil holders

• Throwing appliances that can still be repaired

• Extracting materials that can be recycled from old computers