Biology
Scientists
Optics
Chemistry
Earth Science
100

the part of the cell that controls activities?

What is the nucleus

100

I think matter is made up of tiny atoms that are uncuttable.

Who is Democritus?

100

The part of the eye controls how much light enters.

The iris.

100

The chemical symbol for water.

what is H2O?

100

The outermost layer of the Earth.

What is the crust?

200

The cell structure that makes energy?

What is the mitochondria

200

I believe everything is made up of earth, wind, fire and water.

Who is Aristotle?

200

Light to bend when it passes through water?

What is refraction?

200

A solid, liquid and gas.

What are states of matter?

200

The name for molten rock underground.

What is magma?

300

The name of the green pigment in plants.

What is chlorophyll.

300

I developed the plum-pudding model.

Who is JJ Thompson?

300

The lens makes objects look larger.

What is convex?

300

Multiplying length x width x heights in a regular shaped object that you can use a ruler, ie. a wooden block.

What is measuring volume?

300

The theory that explains the movement of continents.

What is plate tectonics?

400

Plants take in for photosynthesis.

What is carbon dioxide?

400

I discovered the nucleus during my gold foil experiment.

Who is Rutherford?

400

The part of the eye where the image is focused.

What is the retina?
400

The change of state from a gas directly to a solid.

What is deposition?

400

The name of the super continent.

What is Pangea?

500

The membrane allows some substances to pass through while blocking others.

What is selective permeability?

500

I created the periodic table.

Who is Dimitri Mendeleev?

500

A mirror makes you look taller and thinner.

What is a concave mirror?

500

The change of state from a solid to a gas.

What is sublimation?

500

The bowl-shaped opening at the top of a volcano where lava, ash, and gases erupt.

What is a crater?

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