grammar
Science
world geography
Brain twisters
extreme riddles
100

What is the past of go?

Went

100

We breathe this gas


Oxygen 

100

Largest continent


Asia

100

Ends with "e" but only one letter


Envelope 

100

Can fill a room, no space


Light

200

Choose the verb: She ___ happy.


Is

200

Water formula


H₂O


200

Country with most population


China/India

200

Can fly without wings


Time

200

Breaks when named


Silence

300

Make a sentence with is


She is happy/He is sad

300

Earth goes around…


The Sun

300

Capital of Australia


Canberra

300

The more you have, less you see


Darkness 

300

Always behind you


Past

400

What is a noun?


A naming word

400

Plant food-making process


Photosynthesis


400

Longest river


Nile

400

Speaks all languages


Echo

400

Taken before given


Advice

500

Correct the sentence: He go to school yesterday


He went to school yesterday


500

Force that pulls objects down


Gravity

500

Country with most time zones


France

500

Measured but has no weight


Time

500

Ends life, no death


Sleep

M
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