Site-Wide Activity

【SS0035】Pluto    It is a famous dwarf planet. A dwarf planet is like a planet, but it’s smaller. It orbits the Sun, but it doesn’t have enough gravity to c […]

【SS0034】orbit  A curved path one object takes around another.   Example The Earth orbits the sun. Satellites orbit the Earth. The Moon orbits the Earth.

【SS0033】gravity  A force that pulls objects towards each other. It’s what keeps us grounded on Earth and makes things fall.   Example Gravity pulls o […]

【SS0032】universe  It is everything that exists, including all space, time, matter, and energy.   Example We are just a small part of the universe. The universe is constantly expanding. Our planet is in the universe.

【SS0031】crescent moon  It is when only a small part of the moon is lit up, looking like a curved shape in the night sky.   Example I saw a crescent moon in t […]

【SS0030】full moon  It is when the Earth is directly between the Sun and the Moon, making the Moon appear fully lit up.   Example The full moon is s […]

【SS0029】new moon  When the moon is positioned between the Earth and the sun, making it invisible from Earth. It’s the start of a new lunar […]

【SS0028】galaxy  Giant group of stars, gas, and dust held together by gravity.   Example Galaxies are made up of stars, gas, and dust. There are b […]

【SS0027】atmosphere  Layer of gases surrounding a planet. It’s like a blanket protecting us from harmful rays and keeping the planet warm.   Example […]

【SS0026】planets  Large, round object that orbits a star. It’s big enough to be pulled into a round shape by its own gravity.   Example Planets orbit a […]

【SS0025】shooting star  It is not a star but a small piece of space rock burning up as it enters Earth’s atmosphere.     Examples: Did you make a wish on […]

【SS0024】star signs  Astrological label based on the position of the sun at your birth. It’s associated with certain personality traits and […]

【SS0022】U.F.O.  Something seen in the sky that people can’t identify. Some people think they might be spaceships from other planets.   Example I saw a […]

【SS0023】alien  A living creature from another planet.   Example The movie is about a friendly alien. My friend believes she saw an alien creature. Aliens live on a distant planet.

【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.