Animals
Plants
Rivers
Weather
Space
100

What is the fastest land animal? 

Cheetah

100

What is the largest type of tree?

Redwood 

100

Which river is the longest in the world?

Nile River 

100

What do we call frozen rain?

Hail

100

What is the planet closest to the sun?

Mercury 

200

What animal is known as the king of the jungle?

Lion

200

What type of tree produces acorns?

Oak Tree

200

Which river flows through Egypt?

Nile River

200

What is a tornado's rotating columns of air called?

Vortex 

200

What planet has the longest day?

Venus
300

Which animal has the longest lifespan?

Tortoise 

300

What plant is known for its ability to close its leaves when touched?

Sensitive Plant (Mimosa Pudica)

300

What river is the longest in North America?

Missouri River

300

What is the name of a hurricane in the Western Pacific?

Typhoon

300

What is the name of Earth's moon?

Moon

400

What is the largest species of bear?

Kodiak Bear

400

What is the tallest flower in the world?

Titan Arum (Corpse Flower)

400

What river flows through the Grand Canyon?

Colorado River

400

What weather phenomenon causes the most damage worldwide?

Floods/Flooding 

400

What is the name of the largest moon on Saturn?

Titan (moon of Saturn)

500

What animal has the longest migration?

Artic Tern

500

What plant is used as a natural sweetener?

Agave 

500

What river is known as the "lifeline of India"?

Ganges River 

500

What is the name for the global ocean current system that helps regulate Earth's climate?

Thermohaline Circulation 

500

What is the make of the largest known star?

UY Scuti