Out of This World
Animal All-Stars
Map Quest
Science Detectives
Game On!
100

This star is the closest one to Earth.

the sun


100

A spider has this many legs.

8

100

This imaginary line divides Earth into the Northern and Southern Hemispheres.

Equator

100

This organ pumps blood throughout your body

the Heart

100

James Naismith invented this sport in 1891

Basketball

200

This planet is famous for its large, easy-to-see ring system.

Saturn

200

This spotted cat is the fastest land animal.

Cheetah

200

This U.S. state is the largest by area

ALASKA

200

This force keeps you on the ground instead of floating away.

Gravity

200

The Tour de France is a famous race involving these two-wheeled vehicles.

Bikes

300

Our solar system is part of this galaxy, which shares its name with a candy bar.

The milky way

300

Despite its enormous size, this largest animal on Earth feeds mostly on tiny creatures called krill.

Blue Whale

300

This mountain range stretches along much of western North America.

the Rocky Mountains?

300

Covering the outside of your body, this is your largest organ.

the skin

300

Often called football outside the United States, this sport is also known as “association football.”

Soccer

400

Despite not being closest to the Sun, this planet is the hottest in our solar system.

VENUS

400

Unlike mammals that only glide, this mammal can truly fly.

Bat

400

the capital of Canada.

Ottawa

400

Plants use sunlight to make food through this process.

photosynthesis

400

William Morgan invented this sport in 1895; teams hit a ball over a net using their hands.

volleyball

500

This region between Mars and Jupiter contains many rocky objects orbiting the Sun.

What is the asteroid belt?

500

An octopus has this many hearts.

Three

500

This river forms part of the border between Texas and Mexico.

the Rio Grande?


500

This central part of an atom contains its protons and neutrons.

the nucleus

500

The first modern Olympic Games took place in Athens, in this country.

Greece