Science
Nouns
Verbs/Adverbs
Adjectives/Adverbs
Synonyms/Antonyms
100

Plants produce this for us to breathe

Oxygen

100

If you wake up, make your bed, and get dressed at the same time every day, you have this

Routine

100

If someone jumped out of the dark and yelled "Boo!", it might do this to you

Startle

100

A hippo would be called this

Humongous
100

The antonym of comfortable is this

Awkward

200

Scientists do this to experiments

Conduct

200

Someone might need this to invent something new

Breakthrough

200

If you knocked over a can of paint, it would do this

Splatter

200

Taking a test you didn't study at all for might make you feel this

Perplexed

200

The antonym of modern is this

Prehistoric
300

Plants use this for photosynthesis

Sunlight

300

If you can't decide whether to do one thing or another, you have this

Dilemma

300

When you can't wait, you do things in this way

Impatiently

300

This cave art from thousands of years ago is this

Prehistoric

300

The antonym of unwillingly is this

Eagerly

400

If a tree is cut down, the carbon dioxide stored in it will be this

Released

400

Labubus, Key-caps, and K-pop Demon Hunters have all been this

Craze

400

You do this when you are upset or don't want to be heard

Mutter

400

If your teacher started dancing in the middle of your midterm test, it would be this

Awkward
400

The synonym of freed is this

Released

500

If you don't want something to happen, you try to do this

Prevent

500

When you really want to eat something, you have this

Appetite

500

A teacher would do this during break to make sure students are all behaving

Patrol

500

If you were very excited to go somewhere, you would go there in this way

Eagerly

500

The synonym of advancement is this

Breakthrough