The Human Body
Space
Chemistry
Plants
Earth Science
100

What are the bones in your chest that protect your heart & lungs?

The ribs

100

What protects the Earth from meteorites and radiation?

Atmosphere

100

What happens to the Eiffel tower during summer?

It expands!

100

What is the process called where plants create their own energy?

Photosynthesis

100

Which is hotter, the center of the earth or surface of the sun?

The center!

200

What is the largest organ of the human body?

The skin

200

What do you call a sudden burst of radiation coming from the sun?

Solar flare

200

What is denser- water or ice?

Water

200

What part of the plant keeps the plant stable and sucks up nutrients?

The roots

200

What do you call molten rock before it has erupted?

Magma

300

What makes up 60-70% of human body weight?

Water

300

How many planets are bigger than Earth?

Four
300

What is the common name for hydrogen peroxide?

Bleach

300

What is the name of the study of plants?

Botany

300

Which group of islands was made from erupting volcanoes?

Hawaii

400

When might a person show rapid eye movement (REM)?

Sleep/ dreaming

400

Where is the asteroid belt located?

Between Mars and Jupiter

400

What is the most abundant element in the universe?

Hydrogen

400

Where can we find up to 85% of plant life?

In the oceans

400

What do we call the waves produced by Earthquakes?

Seismic waves

500

What is the term for a series of uncontrollable intakes of air caused by sudden spasms of the diaphragm?

Hiccups

500

How many moons are in our solar system? Hint: it's more than 50.

181

500

What is the only letter that doesn't appear on the periodic table!

J

500

What is the tallest species of grass?

Bamboo

500

How many active volcanoes are there worldwide? Hint: Between 1000 and 2000

1350

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