Site-Wide Activity

【SS0021】meteorite  Space rock that has landed on Earth. It’s a piece of an asteroid or comet that survived its fiery journey through our […]

【SS0020】asteroid  Big rock floating in space that orbits the Sun.   Example An asteroid is a rocky object that orbits the sun. Asteroids orbit the sun. A large asteroid impact could cause damage to Earth.

【SS0019】comet  A dirty snowball of ice and dust that orbits the Sun. As it gets closer to the Sun, it heats up and releases gas, creating a beautiful […]

【SS0018】solar system  A group of planets, moons, and other objects that orbit around a star called the Sun.   Example The sun is the center of our solar s […]

【SS0017】telescope  A tool that makes distant objects look bigger. It helps us see things that are very far away.   Example Let’s take the telescope o […]

【SS0016】rocket  A vehicle that can travel in space. It works by pushing itself forward with powerful gas.   Example The rocket left a trail of smoke. A rocket flew into space. The rocket landed on the moon.

【SS0015】satellite  An object that orbits around another object in space. Many satellites are human-made machines that help us communicate and learn about […]

【SS0014】spaceship  A vehicle designed to travel in space. It can carry people and equipment to explore other planets and stars.   Example The spaceship w […]

【SS0013】Neptune  Farthest planet from the Sun in our solar system. It’s a cold, dark, and windy ice giant planet much bigger than Earth.   Example […]

【SS0012】Uranus  Seventh planet from the Sun and a giant, icy world with a unique sideways tilt. It’s known for its greenish-blue color and has many moons and […]

【SS0011】Saturn  Second huge, gas planet orbiting the Sun. It’s famous for its beautiful rings made of ice and rock.   Example Saturn is a gas giant p […]

【SS0010】Jupiter  The biggest planet in our solar system, made mostly of gas and is very far from the Sun.   Example Jupiter is the largest planet in o […]

【SS0009】Mars  Fourth planet from the Sun in our solar system. It’s often called the “Red Planet” because of its reddish appearance caused by iron oxide on its […]

【SS0008】Earth  Planet we live on, orbiting the Sun. It’s the only known planet to support life.   Example We live on Earth. Earth is the only known planet with life. Earth has one moon called Luna.

【SS0007】Venus  Second planet from the Sun and our closest neighbor in space. It’s a hot, rocky world covered in thick clouds and often called Earth’s twin […]

【SS0006】Mercury  Closest planet to the Sun and the smallest planet in our solar system. It’s a rocky planet with extremely hot days and freezing cold […]

【SS0005】moon  A big ball of rock that goes around a planet. It shines because it reflects light from the sun.     Example The moon is bright in […]

【SS0004】sun  A giant star, hot ball of gas that gives us light and heat. It is the center of our solar system.   Example The sun is shining brightly today. I love to sit in the warm sun. The sun sets in the west.

【SS0003】astronaut  A person who travels into space. They go on missions to explore and learn about the universe.   Example The astronaut floated in z […]

【SS0002】stars  A giant, glowing ball of hot gas. It shines because it’s creating energy through nuclear fusion in its core.   Example The stars s […]