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100

What chemical makes plants green?

Chlorophyll

100

Where are a quarter of a human body's bones located?

The Feet

100

Newton divided the visible spectrum into which seven colors?

Red, orange, yellow, green, blue, indigo and violet

100

What is the study of water called?

Hydrology

100

What is the center of an atom called?

Nucleus

200

What is the name of the biggest part of the human brain?

The Cerebrum 

200

What element is combined with iron to become steel?

Carbon

200

What do plants produce through photosynthesis?

Oxygen

200

The process of making cows' milk safe for consumption is called what?

Pasteurization

200

What is a baby kangaroo called?

Joey

300

What is the bone diseases that literally translates to "porous bones"?

Osteoporosis

300

What disorder's name is derived from the Greek for "without appetite"?

Anorexia

300

Eczema affects which part of the body?

The Skin

300

What is the number 3.14 known as?

Pi

300

In what part of the human body would you find the sclera?

The eye

400

In the 1820s, the world’s first photograph was taken in which country?

France

400

Mycology is the study of what?

Fungi

400

What notable scientist may have been driven mad by exposure to mercury?

Isaac Newton

400

How many arms does a squid have?

10

400

 Trivia question: What is the name of the tallest grass on earth?

Bamboo

500

What animal has the largest ears?

An African elephant's ears can grow to be 6 feet long & 4 feet wide. Elephants use their ears to cool themselves in warm weather.

500

What kind of animal lives in a "warren"?

Rabbit

500

According to Galileo's biographer, what tower did he climb to prove his "Law of Falling Objects" theory?

Tower of Pisa

500

Where is human skin thinnest?

Eyelids

500

True or False? Electrons are smaller than atoms.

True

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