Sun
What is the sun?
The sun is a star.
Earth is the _____ planet from the sun.
Third.
Which is bigger, Earth or the moon?
The Earth
Gravity pulls things _______.
Towards the Earth's center.
(down)
Define rotate
To spin, or move in a spinning motion
How far away is the sun?
93,000 miles
Why does Earth have an axis/ What is it important for?
The axis allows Earth to spin. Without the axis we would not have day and night because the earth would not spin around itself.
The Earth.
Gravity depends on and objects _____ and _____.
Mass and distance.
Define Axis
An invisible line through the Earth that helps it to spin.
When is it summer?
What makes the Earth special?
We are able to live on planet Earth. It is the perfect distance from the sun and has oxygen for us to breathe.
What term do we use to say the changes of the moon?
moon phases
How much more gravity does the Earth have than the moon?
6 times as much
Define revolve.
To spin around something else.
Why is the sun important?
The sun gives us light, heat, and energy.
What happens because of the Earth's rotation?
Daytime and Nighttime. When we face the sun it is daytime, when we are facing away from the sun it is nighttime.
How much less do we weigh on the moon than on Earth?
50 pounds
The brightness of a star depends on what?
It's distance from Earth.
Define orbit and give an example
The path an object travels in. Earth orbits around the sun.
Why do the seasons change?
As the Earth revolves around the sun, our distance from it changes. The closer we are, the warmer, making it summer. As we continue to move away, it becomes is fall, and then winter is when we are the farther. away from the sun. When we start to get closer, it becomes spring and then back to summer.
What causes seasons?
The Earth revolves around the sun causing seasons. Our seasons depend on our distance from the sun. When the northern hemisphere is closest we have summer, and when it is the farthest away from the sun we have winter.
Why do we see moonlight?
The sun reflects off of the moon as it revolves around the earth.
Why do we have "shooting stars"
Gravity pulls some close stars towards the earth's center.
Define gravity
A force that pulls objects towards the earths center.