Science
Geography
Space
Human body
Animals
100

What is the process of water turning into gas called?

Evaporation

100

What is the largest country?

Russia

100

How many planets are there in the solar system.

8

100

Approximately how many bones does the average adult human have?

206

100

Name a swimming mammal.

Dolphins, whales e.t.c.

200

How hot is lightning?

30,000 C (50,000 F)

200

What country has the smallest population?

Vatican city

200

What is the coldest planet in the solar system?

Uranus

200

What triggers puberty?

Pituitary gland

200

What is the fastest animal? (it flies). Not looking for the specific species of it.

Falcon

300

What is the second most abundant element?

Helium

300

What is the newest country? ( created in 2011 ).

South Sudan

300

What colour is a martian sunset?

Blue

300

What is the largest organ?

Skin
300

What bird is able to fly backwards?

Hummingbird

400

How much percent of an atom is empty space?

99.9%

400

What country has the 4th highest population?

Indonesia

400

Excluding the sun, what is the closest star to earth?

Proxima centauri

400

How much percent of a human brain is water?

80%

400

What is the size of a baby kangaroo? (length)

Jellybean size, or about 1 inch (2.5 cm).

500

What is the process of a solid turning into a gas without becoming a liquid at all?

Sublimation

500

Name the three tallest mountains from sea level.

Everest, K2, Kanchenjunga

500

What is the sphere of comets and debris that surround our solar system.

Oort cloud

500

What is the smallest bone and what is its purpose?

Stapes, it helps you hear.

500

Where is a grasshoppers ears located?

On their bellies

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