Cycles
Our Sun
The suns elements.
Winter and Summer Solstice
100
What does the sun do in the water cycle.
It evaporates water into a cloud so it can keep on going.
100
How old is the sun?
5 billion years old.
100
What is the sun mostly made of?
Helium
100
What causes the summer solstice?
When one side of the earth is facing towards the sun.
200
When we breath in oxygen what will come out.
Carbon dioxide.
200
What type of star is the sun?
A yellow dwarf.
200
About how what percentage of helium makes the sun?
72%
200
How does the winter solstice start?
When one side of the Earth is facing away from the sun?
300
In a food web what comes second in the process.
The plants.
300
About how many Earths could fit the size of the sun?
One million.
300
How does the sun generate energy?
It converts hydrogen into helium.
400
On the food web how does the sun start it.
It will help grow the plants.
400
How long can the sun last.
10 billion years.
400
How does a solar flare start?
It happens when magnetic energy is built up then released.
400
Why do seasons happen?
The main reason is because the tilt of earths axis
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