PSR PRACTICE EASY

Balls of ice and dust that orbit the Sun.

• comets

• asteroid

• Earth

Group of animals that live both in the water and on land.

• mammal

• reptile

• amphibian

Medicinal drugs that help to relieve pain.

• heroin

• painkiller

• steroid

Special characteristics of organisms.

• adaptation

• habitat

• mammal

Earth __________ around the Sun for about 365 1/4 days.

• rotates

• revolves

• recycle

__________ are chemicals that change the way our body works.

• pollution

• drugs

• water

__________ is the furthest planet from the Sun.

• neptune

• mercury

• jupiter

Monkey and Squirrel have _________ on their body.

• scales

• feather

• fur or hair

Which of the following shows examples of bird that cannot fly?

• eagle and owl

• penguin and ostrich

• penguin and parrot

People who do not smoke but can breathe in the smoke from smokers are called _________ smokers.

• passive

• patient

• parent