GL QUIZ 2 SCIENCE GRADE 3

Peter goes to the duck pond with his grandad and his dog.

Tick TWO boxes to show two things that are true about a dog and a duck.

• a. They both have fur.

• b. They both move.

• c. They both lay eggs.

• d. They both breathe.

What do birds, bats and butterflies have in common?

• A. feathers

• B. hair

• C. internal skeleton

• D. wings

Which of these animals has a young form that looks the most like the adult form?

• A. moth

• B. human

• C. frog

• D. butterfly

Most birds sit on their eggs until they hatch. Which of these is the most important reason why birds sit on their eggs?

• A. to keep the eggs inside the nest

• B. to keep the eggs warm

• C. to protect the eggs from the wind

• D. to protect the eggs from the rain

Polar bears and walruses look very different, but both can survive in the extreme cold. A polar bear has a thick coat of fur that helps keep it warm. The walrus has no fur. What does the walrus have that helps it keep warm?

• A. fat layers

• B. tusks

• C. whiskers

• D. flippers

Calcium is a mineral that helps make your bones and teeth strong. Which of these foods is the best source of calcium?

• A. candy

• B. rice

• C. cheese

• D. meat

A predator is an animal that feeds on other animals. Which of these is a predator?

• A. deer

• B. wolf

• C. cow

• D. goat

Describe a human activities that can lead to the extinction of animals.

• a. hunting.

• b. cleaning the environment.

• c. conservation of forest.

Plants use energy directly from the Sun. What do they use the energy from the Sun for?

• A. to make food

• B. to disperse seeds

• C. to fertilize the soil

• D. to prevent insect damage

Which predator–prey relationship is correct?

• A. fish (predator)–seal (prey)

• B. green algae (predator)–krill (prey)

• C. fish (predator)–krill (prey)

• D. seal (predator)–killer whale (prey)