Biology
Physics
Chemistry
Geology
Space
100

What colour is a nucleus?

What is light blue.

100

Can you touch your own rainbow?

What is no you can't but you can touch someone else's rainbow.

100

On the periodic table what does the O stand for.

What is oxygen.

100

How many types of natural disasters are there?

What is 24 types.

100
How many planets are there?

what is 8.

200

What is the largest cell in a female body?

What is Ovum (egg cell).

200

Is a shark a fish or a mammal?

What is fish.

200

What is the chemical formula for water?

What is H2O.

200

How many different kinds of rocks are their?

What is 3 kinds.

200

what is was a planet but isn't classified as one anymore.

what is pluto?

300

How many teeth does an adult have?

What is 32.

300

Can air make shadows?

What is yes.

300

How many elements are in the periodic table?

what is 118.

300

What is a diamond?

What is a rock.

300

what planet has the most moons?  

what is Jupiter 

400

Cells have natural colours. (True or False)

What is false. (They are transparent)

400

Why does the moon appear in the daytime and the night time?

What is reflecting the sun's light into to our eyes.

400

How much salt is in the human body?

What is 250 grams.

400

How does a volcano form?

What is when one tectonic plate moves under another.

400

Where does space start?

What is Karman line.

500

What causes cells to die?

What is killing themselves.

500

What is a black hole?

What is a black hole it is a place in space where gravity pulls so hard that even light can't get out.  

500

What does the symbol Ag stand for on the periodical table?

What is silver.

500

How many volcanos are in the world?

What is 1,350.

500

A star can form into a planet. (True or False)

What is True