English
Science
Maths
Social Studies
Riddles
100

What do we call a word that describes a noun?

Adjective 

100

What is the process by which plants make their food using sunlight?

Photosynthesis

100

Solve for x: 3x - 5 = 16

x = 7

100

What is the longest river in the world?

Nile River

100

What can you catch but not throw?

cold

200

What tense is used in the sentence "She is eating an apple"?

Present Continuous Tense

200

What is the chemical symbol for water?

H₂O

200

If a die is rolled, what is the probability of rolling a number greater than 4?

1/3

200

Who was the first President of the United States?

George Washington

200

What has a head, a tail, but no body?

coin

300

What part of speech is the word "quickly" in the sentence "She runs quickly"?  

Adverb

300

What force pulls objects toward the Earth?

gravity 

300

Find the volume of a cube with sides measuring 4 cm.

64 cm³

300

What is the name of the document that establishes the fundamental laws and principles of a country?

Constitution

300

I have keys but open no locks. I have space but no room. You can enter, but you can't go outside. What am I?

keyboard 

400

What do you call a group of words that express a complete thought?

Sentence

400

What is the name of the layer of gases surrounding the Earth?

atmosphere 

400

Solve for x: 2(x + 4) = 18

x = 5

400

What is the term for a system of government in which power is held by elected representatives?

Democracy 

400

What can be cracked, made, told, and played?

joke

500

Which punctuation mark is used to show possession?

Apostrophe

500

What is the state of matter that has a fixed shape and volume?

solid

500

A bag contains 5 red balls, 3 blue balls, and 2 green balls. What is the probability of drawing a green ball?

1/5?

500

How many countries are there in the world today?

195 countries

500

I am not alive, but I grow; I do not have lungs, but I need air; I do not have a mouth, but water kills me. What am I?

fire

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