4th Grade Science Review

Match it! Select the correct answer from the pull down...Good luck!

Since plants make their own food, they are called

What process causes a valley to form?

How long does it take for Earth to rotate on its axis seven times?

A student drops a ball. Which force causes the ball to drop?

What do all animals need in order to survive?

Which structure of a bird is correctly paired with its function?

When an ice cube melts, its state of matter chanes from a

Humans depend on which natural resource from the environment?