The Sun
This object is the center of our solar system.
The Sun
What does the word "revolution" mean in science?
An object that orbits, or moves around, another object.
Example: Planets revolve around the sun
What keeps the planets revolving around the sun and the moons revolving around their planets?
Gravity
Mars
Which planet is known for it's "Great Red Spot"?
Jupiter
What is our sun?
A star
What does the word "rotation" mean in science?
An object that spins around it's center or axis.
What is another name for a moon?
This planet is known as Earth's sister because they are close together and almost the same size.
Venus
This planet is one of the few with rings in our solar system. When the voyager space probe was sent to investigate the rings, it found out what?
That the rings are made of multiple pieces that range in size from a grain to a boulder.
What is the name of our galaxy called?
The Milky Way
How long does it take for earth to make one complete revolution around the sun?
365 days or 1 year
What landforms do the moon and the Earth have in common?
Hills and extinct Volcanoes
Earth is the only planet that we know of that can support life. Much of Earth is covered with water, what percentage of Earth is liquid water?
70%
This the farthest planet that CAN be seen with a telescope?
Uranus
What two things does the sun provide to our planet?
Heat and Light
How long does it take for Earth to make one complete rotation?
24 hours or 1 day
What is the temperature does the sun start at?
5500 C
Which planet is around the same size as Earth's moon?
Mercury
This planet if it were hollow, it could hold 60 Earths.
Neptune
What holds all the planets in their orbit?
The sun's gravity
What is an orbit?
An orbit is the path a planet takes around the sun
or
The path a moon takes around it's planet.
What percentage of Earth is covered by land?
30%
What is another name for the inner planets?
Rocky Planets
What is another name for the outer planets?
Gas Giants