Man City
Dumpling
Watch
Earring
Water Bottle
100

This is the joint between two neurons that allows chemical and electrical signals to pass through.

What is a synapse?

100

This biome covers most of North America.

What is grasslands?

100

This organelle contains DNA and controls many functions of the cell. 

What is the nucleus?

100

This thin, flexible covering made of fat and protein surrounds the cell. 

What is the cell membrane?

100

This matter makes up stars.

What is plasma?

200

This is the boundary that separates the mesosphere and the thermosphere.

What is the mesopause?

200
Are hornbeam and witch hazel the same plant? 

No!

200

This thin blanket of gases protects the Earth.

What is the atmosphere?

200

This galaxy has 200-400 billion stars.

What is the Milky Way?

200

This is the number of phases of the moon.

What is 8?

300

This jellylike material is found between the cell membrane and the nucleus, and houses the organelles.

What is the cytoplasm?

300

This is the number of stars in our solar system.

What is 1? 

300

Does some yogurt have bacteria?

Yes!

300

Auroras are in this layer of the atmosphere.

What is the thermosphere?

300

This is the symbol for chlorine.

What is "Cl"?

400

This nebula contains many star-forming regions such as the "Pillars of Creation".

What is the Eagle Nebula?

400

This phase of the moon looks like no moon is in the sky (even though there is!).

What is the new moon?

400

This element burns immediately when exposed to air.

What is phosphorus?

400

In this phase only a quarter of the moon is visible. 

What is first or last quarter?

400

This is the common name of the tree Quercus Phellos.

What is willow oak? 

500

This gas has no color or smell and makes up most of the air you breathe.

What is carbon?

500

This is the age of the universe.

What is 13.8 billion years?

500

This is the percentage of Dark Matter in the universe.

What is 84.5%?

500

This biome name means "treeless" in Finnish.

What is tundra?

500
This word means "sour wine".

What is vinegar?

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