Celestial Bodies in Our Solar System
Planet Facts
Earth's Rotation & Revolution
The Moon
Solar System
100
What is an asteroid?
A chunk of rock and metal in outer space that orbits the sun.
100
Which planets are beside earth?
Mars and Venus 
100
What does the word orbit mean?
The path that an object takes as it goes around another object. The closer that a planet is to the Sun the shorter the distance.
100
What are Moons?
Natural objects made of rock in our Solar System that orbit planets.
100
What is at the centre of our Solar System?
The sun.
200
Where can we find most of the Asteroids in our Solar System?
The Asteroid Belt
200
What is a Terrestrial planet?
A planet with a compact rocky surface.
The four innermost planets are terrestrial planets. Mercury, Earth, Mars and Venus
200
What causes daylight?
The Earth rotates on its axis. The side that is facing the sun experiences sunlight.
200
How come the Moon has different phases?
We see a different shape because the sun lights up different parts of the Moon depending on where it is in its path of orbit around the Earth.
200
Groups of stars that form shapes like objects, humans, or signs are called what
Constellations
300
What is the popular comet called that we can see every 75-76 years?
Halley's Comet
300
What is a gas planet? What main gases makeup gas planets?
A planet made of mostly gas. Usually Hydrogen and Helium.
The 4 gas planets are Neptune, Uranus, Saturn, and Jupiter.
300
Why do we have seasons?
Because of Earth's orbit around the Sun. 
300
What planets do not have any Moons?
Venus and Mercury
300
What is the Solar System?
The orbit of planets and other objects around the sun
400
What is the difference between a meteor and a meteorite?
A meteor burns up in Earth's atmosphere.
A meteorite is completely burned up and lands on Earth.
400
Which planet has the most moons?
Jupiter
400
What is an eclipse?
An eclipse is when one celestial body (planet, Sun, Moon) moved into the shadow of another.
Examples include a solar and lunar eclipse.
400
What is another name for the cycle of Phases of the Moon?
The Lunar Cycle
400
Why is gravity important in the Solar System?
Because it pulls everything to the centre.
We are pulled to the centre of the Earth.
The Earth is pulled to the centre of the Solar System, the Sun.
500
What is a celestial body?
A natural object which is located in our Solar System.
Examples of celestial bodies include The Moon, The Sun, Asteroids, Comets, Planets and Stars.
Meteors and Meteorites are not celestial bodies because they enter Earth's Atmosphere
500
What is the hottest planet in our Solar System?
Venus
500
Why do we have more daylight in the summer vs the winter?
As we orbit the Sun, a different part of the Earth is closest to the Sun. When our country is closest to the Sun, we experience summer and more daylight.
500
List 4 of the different Phases of the Moon
500
Name the 5 layers of our atmosphere (not in order)
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere