Social Studies
Science
100

The land of mass surrounded entirely by water. 

What is an island?

100

The gas that humans breath to survive

what is Oxygen?

200

The name of the imaginary line that divides the Earth into Northern and Southern Hemispheres. 

What is the Equator?

200

The force that keeps us on the ground

What is gravity?

300

The earliest known writing system, developed by the Sumerians.

What is cuneiform?

300

The 4 main states of matter 

what is solid, liquid, gas, and plasma

400

The name of the meeting where leaders gathered to write the Constitution.

What is the Constitutional Convention?

400

The number of bones in a human adult body

what has 206 bones

500

The 16th President of the United States who helped free the slaves during the Civil War.

Who is Abraham Lincoln?

500

The chemical name for baking soda

what is sodium bicarbonate?

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