The length of time it takes for the Earth to complete one full rotation.
What is 24 hours?
100
The appearance and shape of the Moon as you see it at a particular time is called its _____.
What is phase?
100
This planet has the right conditions to support life.
What is Earth?
100
This is an object that produces its own energy, including heat and light.
What is a star?
100
The instrument that could be used to make distant objects seem larger and nearer.
What is a telescope?
200
The length of time it takes for the Earth to make one complete revolution.
What is 1 year?
200
The length of time it takes the Moon to cycle through all of its phases.
What is 1 month?
200
The planet that is considered a dwarf planet.
What is Pluto?
200
The Big Dipper is an example of a pattern called a _______.
What is a constellation?
200
The force of attraction between any 2 objects.
What is gravity?
300
This determines the Earth's seasons.
What is the tilt of the Earth's axis and/or rotation of the Earth?
300
When the lighted part of the Moon grows bigger it is _____.
What is waning?
300
A large object that orbits a star.
What is a planet?
300
Ancient people used constellations to help them with this.
What is direction?
300
The path one object takes around another object.
What is orbit?
400
The pull of gravity between the Moon and Earth and between the Sun and Earth causes a bulge in the surface of the Earth. This pull causes the ___ or the rise and fall of the ocean's surface.
What is the tides?
400
The reason you can see the moon.
What is it reflects light from the Sun?
400
Name the 4 planets that are composed mainly of gas.
What are Jupiter, Saturn, Uranus, and Neptune?
400
The color of stars that are the hottest.
What is blue?
400
An object in the solar system that crosses paths with Earth and enters Earth's atmosphere.
What is a meteor?
500
The cause of the cycle of day and night.
What is the Earth's rotation on its axis?
500
Rock and metal substances that crashed into the Moon caused this.
What are craters on the Moon?
500
If a day on one planet lasts more than 1 Earth day. It means this _____.
What is it takes longer for that planet to make one complete rotation?
500
An exploding star.
What is a supernova?
500
A solar eclipse occurs when this passes directly between the Sun and Earth.