The Solar System
What is at the center of the solar system?
The Sun
Where are celestial bodies?
Space
What is rotation?
Spinning
How many inner and outer planets are in our solar system?
4 inner and 4 outer
What causes day and night on Earth?
Rotation
What is the solar system?
The Sun and everything in orbit around it.
Name 3 types of celestial bodies.
stars, planets, dwarf planets, asteroids, comets, meteoroids, moons, satellites
Inner
What causes the seasons on Earth?
The tilt of its axis
What keeps the solar system together?
Ice and gas
What is the name for the path an object takes when it revolves around another object?
Orbit
What is between the inner and outer planets?
An asteroid belt
What causes the Earth to be hotter near the equator than it is near the poles?
the curved surface of the Earth
How many planets are in the solar system?
8
How are moons different from planets?
Moons orbit a planet.
What does an object rotate around?
Its own axis
Which planets are bigger, inner or outer?
Outer
What causes the tides in Earth's oceans?
The gravity of the Moon
Are there other solar systems?
Yes, but they are called planetary systems. Solar system is the name of our planetary system, because one name for our Sun is Sol.
What 3 things does a celestial body need to be a planet?
1. Has its own orbit around the Sun
2. Must have enough mass to be pulled into a sphere by gravity
3. Must clear its orbit of any other large objects.
Why do we always see the same side of the Moon from Earth?
Its orbit and rotation take the same amount of time.
Name two other ways the outer planets are different from the inner planets.
mostly gas
more moons
rings
larger orbits
rotate faster
When it is summer in China, what season will it be in Australia?
Winter