Earth
Planets
Space Facts
Stars and Galaxies
The United States and Space
100

Most of Earth's surface is made of what?

What is water?

100

A large, round body that revolves around a star is called ____.

What is a planet?

100

The study of objects in space and their characteristics.

What is astronomy?

100

What type of celestial body is the sun?

What is star?

100

A ship in space that contains astronauts from five different space programs (including NASA).

What is the International Space Station?
200

What is the name of the imaginary line that runs through the center of the earth?

Axis

200

What is the path one object takes around another called?

What is an orbit?
200

A meteoroid that has reached the Earth's surface.

What is a meteorite?
200

Balls of hot, glowing gases that produce their own heat and light.

What are stars?

200

The United States raced against this country to be the first in space.

What is the Soviet Union?

300

Rotation causes this

What are day and night?
300

The outer planets are also know as ____.

What are gas giants?

300

An object that is made of frozen gases, rock, ice, and dust. It has a long tail and a long orbit around the sun.

What is a comet?

300

Stars are classified by color, temperature, brightness, and ____.

What is size?

300

The space race began in what decade?

When is the 1950's?
400

Revolution causes this

What are seasons?
400

The inner planets have a ____ core.

What is solid or rocky?

400

A chunk of iron that orbits the sun.

What is an asteroid?

400

This type of galaxy does not have any particular shape.

What is an irregular galaxy?

400

Who was the first American man on the moon?

Who is Neil Armstrong?
500

When do the equinoxes take place?

What are Spring and Fall?

500

The smallest planet in our solar system is____.

What is Mercury?

500

This lies between the inner and outer planets.

What is the asteroid belt?

500

This type of galaxy consists of a rotating disk of young stars and a center made of older stars.

What is a spiral galaxy?

500

What is the name of the space program run by the U.S. government?

What is NASA or the National Aeronautics and Space Administration?