The Solar System
Earth, Moon & Sun
Stars & Galaxies
Space Exploration
Sun & Energy
100

This is the star at the center of our solar system

What is the Sun?

100

This is Earth’s only natural satellite

What is the Moon?

100

A huge group of stars, gas, and dust held together by gravity.

What is a galaxy?

100

This vehicle carries astronauts into space.

What is a rocket?

100

The Sun gives off this type of energy we can see

What is light energy?

200

This planet is closest to the Sun.

What is Mercury?

200

The spinning of Earth on its axis is called this

What is rotation?

200

The galaxy that contains our solar system

What is the Milky Way?

200

The first person to walk on the Moon.

Who is Neil Armstrong?

200

Charged particles from the Sun that affect Earth are called this.

What is solar wind?

300

This is the largest planet in our solar system

What is Jupiter?

300

The movement of Earth around the Sun is called this.

What is revolution?

300

Stars produce energy through this process.

What is nuclear fusion?

300

This U.S. organization leads space exploration

What is NASA?

300

This phenomenon causes colorful lights near Earth’s poles.

What is the Northern Lights?

400

These objects orbit the Sun and are smaller than planets.

What are asteroids?


400

This phase occurs when we see no illuminated part of the Moon

What is a new moon?

400

This tool is used to observe distant objects in space

What is a telescope?

400

A machine sent into space to collect information without humans.

What is a probe?

400

The Sun’s energy is created in its core by this process

What is nuclear fusion?

500

This is the rocky region between Mars and Jupiter

What is the asteroid belt?
500

This event happens when the Moon blocks the Sun

What is a solar eclipse?

500

This predictable rise and fall of ocean water is caused mainly by the Moon’s gravity.

What is a Tide?

500

This famous space telescope orbits Earth.

What is the Hubble Space Telescope?

500

This causes different seasons on Earth because our planet is tilted as it travels around the Sun.

What is Earth’s axial tilt?