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Chemical Reactions
Trivia
100

Which is the past form of "go"?

went

100

What part of the plant makes food using sunlight?

leaf

100

Who developed the theory of gravity?

Isaac Newton?

100

What do we call water in a chemical equation?

H₂O

100

What color are emeralds?

green

200

Choose the correct sentence: A) She don’t like tea. B) She doesn’t like tea.

B) She doesn’t like tea?

200

What is the smallest unit of life?

cell

200

Who is known as the father of modern chemistry? (

Antoine Lavoisier

200

What happens to atoms during a chemical reaction?

rearrange

200

How many legs does a spider have?

eight

300

What’s the difference between “say” and “tell”?

Say" is used without a person: He said hello. / "Tell" is used with a person: He told me a story.

300

Which body system controls movement and sends signals?

the nervous system

300

Who proposed the theory of evolution by natural selection? 

Charles Darwin

300

What is the term for a substance that speeds up a chemical reaction?

catalyst

300

What is the name of the tallest mountain in the world?

Mount Everest

400

What’s the passive voice of: "People grow rice in Asia"?

Rice is grown in Asia"

400

What is the name of the green pigment in plants?

chlorophyll

400

Who discovered penicillin? (

Alexander Fleming

400

What gas is released when vinegar and baking soda mix?

carbon dioxide?

400

Which planet is known as the Red Planet?

Mars

500

Complete the sentence using the correct conditional:

“If I had more time, I ____ travel around the world.”

would"? — “If I had more time, I would travel around the world

500

What do we call the process of cell division in body cells?

mitosis

500

Who was the first woman to win a Nobel Prize?

Marie Curie?

500

What is the pH range of acids? (

6.9

500

What is the only letter that doesn't appear in any U.S. state name?

Q

M
e
n
u