Review Science 4th grade Part 1

What is the main source of energy for plants?

• Rain

• The Sun

• The Grass

• Soil

What tool do you use to find the mass of an object?

• Graduated Cylinder

• Balance

• Hand Lens

• Bowl

How long does it take for the Earth to revolve around the Sun 4 times?

• 1 year

• 4 years

• 4 days

• 1 day

A rock is moving with water in a river. This is an example of

• erosion

• deposition

• decomposer

• condensation

A bunny is brown in the spring. Why does the bunny change to a white color in the winter?

• Camoflage

• Hibernation

• Migration

• Because it wants to

What is a nonliving thing?

• Human

• Plants

• Leaves

• Brick

How long does it take for the Earth to rotate around its axis?

• 1 year

• 1 day

• 12 hours

• 7 days

What is a producer?

• tree

• rock

• turtle

• bird

What provides humans with the energy that they need to survive?

• water

• food

• sunlight

• soil

What is a nonliving thing that humans made?

• bird

• rocks

• house

• trees