The birth of the solar system
The sun
The earth
Planetary Motion
Day,night,and the time zones
100
This is where star's are born and where they go to explode and die.
What is nebula?
100
This is the layer that contains all the energy from the sun.
What is the core?
100
This is the layer between the crust and the core.
What is mantle?
100
This is the spin of a body on it's axis.
What is rotation?
100
This is the direction the earth rotates.
What is counter clockwise?
200
This is the cloud of gas and dust that made our solar system.
What is solar nebula?
200
This is the cooler more darker part of the photosphere.
What are sunspots?
200
This is the outer most layer of the earth.
What is crust?
200
This is the path a body takes around another body in space.
What is orbit?
200
This is how many time zones there are on earth?
What is 24 time zones?
300
These are the group of planets that are farthest from the sun.
What are gas giants A.K.A. the outer planets?
300
These are giant eruptions on the sun's surface.
What are solar flare's?
300
This layer of the earth contains nickel and iron.
What is the core?
300
This is one full trip along the orbit.
What is revolution?
300

Why do we have seasons? 

Because of the Earth turning on its axis 

400

What is the Big Bang? 

The Big Bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).

400
This is how many layers the sun has.
What is 6?
400
This is how oceans where formed.
What is rain fall?
400

Why is our moon a natural satellite? 

Because it orbits around our planet 

400

Why do we have day and night? 

Because the Earth is rotating, the opposite side of the Earth away from the Sun will be experiencing night. After some time, the part of the Earth experiencing daylight will experience night. Rotation of the Earth causes night and day to alternate.

500
This reduces pressure.
What is gravity?
500

How many Earths can fit inside the Sun?

Over one million 

500
This is what the current earth's atmosphere is mostly made out of.
What is nitrogen and oxygen?
500

What is the difference between rotation and revolution? 

Rotation of the Earth is its turning on its axis. Revolution is the movement of the Earth around the Sun.

500

What time does the sunrise in Spain?

6:46 AM

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