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100
The color of the sun.

Yellow

100

The number after '9 (nine)'.

10 (ten)

100

The season with snow.

Winter

100

The capital of California.

Sacramento

100

The largest planet in our solar system.

Jupiter

200

The animal that says "moo".

Cow

200

The shape of a stop sign.

Octagon

200

The liquid that covers 71% of the Earth.

Water

200

The painter who painted Mona Lisa.

Leonardo Da Vinci

200

The process of a caterpillar becoming a butterfly.

Metamorphosis

300

The number of legs a spider has.

8 (eight)

300

The planet we live on.

Earth

300

The main gas we breath.

Oxygen

300

The longest river in the United States.

Mississippi

300

The year the U.S. declared independence.

1776

400

The fairy tale with a glass slipper.

Cinderella

400

The opposite of "happy".

Sad

400

The force that pulls objects down.

Gravity

400

The country where the Great Wall is located.

China

400

The three branches of the U.S. government.

Executive, Legislative, and Judicial

500

The largest land animal.

Elephant

500

The number of continents on Earth.

7 (seven)

500

The capital of the United States.

Washington D.C.

500

The inventor of the light bulb.

Thomas Edison

500

The chemical symbol for gold.

Au