Vocabulary
Balls of hot, glowing gas in space.
Stars
A small unit of measurement that is used to measure items such as pencils.
Centimeter
What is the name of our solar system?
The Milky Way
The earth is tilted on its _____________.
axis
A round object that orbits a star.
Planet
A larger measurement of distance used to measure things on earth such as the distance to the store.
Miles/Kilometer
A big family of stars, planets, gas, and dust held together by gravity.
Solar System
24 hours
A large rock floating in space, usually in belts.
Astronomical unit (AU)
How many stars are in our solar system?
How long does it take for the earth complete 1 revolution?
365
A large object made of dust and ice that are known for their tails.
Comet
The measurement used to describe the amount of time light can travel in one year, which can be used to measure the distance to another star.
Light years
moons, asteroids, comets
The sun appears to move from _________ to ________ each day.
east to west
A small planetary-mass object that orbit the sun.
Dwarf planet
This galaxy is 2.5 million light-years away from earth.
Andromeda galaxy
Name the 8 planets
What causes the seasons on earth?
The earth's tilt causes the seasons by changing the amount of sunlight each area has and the angle it hits the earth.