1 The Solar System The Solar System- Planets, Sun, and Asteroids.

Solar System

The place in space where our planet lives, with the Sun in the middle.

Sun

A giant ball of hot gas that gives us light and heat.

Planet

A large round object that travels around the Sun.

Orbit

The path a planet takes as it travels around the Sun.

Gravity

A force that pulls things towards each other, like a magnet.

Asteroid

A big rock in space that orbits the Sun.

Asteroid Belt

A place between Mars and Jupiter where many asteroids are found.

Inner Planets

The four planets closest to the Sun, made of rock.

Outer Planets

The four planets farthest from the Sun, made of gas.

Moon

A large object that orbits around a planet, like our Moon.

Mercury

The smallest and hottest planet.

Venus

A hot planet covered in thick clouds.

Earth

The planet where we live, with land, water, and air.

Mars

The red planet.

Jupiter

The largest planet in our solar system.

Saturn

A planet known for its beautiful rings.

Uranus

A planet that spins on its side.

Neptune

The farthest planet from the Sun.