Q 01/05

Which sea animal has three hearts, a sharp beak and a soft body that squeezes through tiny gaps?

A) Jellyfish

B) Starfish

C) Octopus

D) Seahorse

Answer · why

C) Octopus

An octopus uses one heart to send blood around its body and two more to pump it through the gills.

Q 02/05

Which Arctic animal has fur that looks white but is really made of clear, hollow hairs?

A) Polar bear

B) Arctic fox

C) Harp seal

D) Snowshoe hare

Answer · why

A) Polar bear

A polar bear has see-through, hollow hairs that trap heat and help the animal float while it swims.

Q 03/05

Which tiny bird can hover like a helicopter and is the only kind able to fly backwards?

A) Barn swallow

B) Hummingbird

C) Kingfisher

D) Woodpecker

Answer · why

B) Hummingbird

A hummingbird gets its name from the humming sound of its wings, which beat dozens of times every second while it hovers at a flower.

Q 04/05

Which planet, the largest in the solar system, has a giant storm called the Great Red Spot?

A) Saturn

B) Neptune

C) Uranus

D) Jupiter

Answer · why

D) Jupiter

Jupiter is so huge that it outweighs all the other planets in the solar system put together, more than twice over.

Q 05/05

Who became the first person to walk on the Moon after landing with Apollo 11 in 1969?

A) Neil Armstrong

B) Buzz Aldrin

C) Michael Collins

D) Yuri Gagarin

Answer · why

A) Neil Armstrong

Neil Armstrong took that first step as hundreds of millions of people watched on television, and he called it "one giant leap for mankind."