ENGLISH
SCIENCE
GEOGRAPHY
MATH
POPULARITY
100

What is the plural of “child”?

Children

100

What gas do plants need for photosynthesis(光合作用)?

Carbon dioxide (CO₂)

100

What continent is Japan in?

Asia

100

What is the next number in the pattern: 2, 4, 8, 16, ___?

32

100

Name a superhero in the Avengers.

Iron Man (or any Avenger)

200

What does the acronym “DIY” stand for?

Do It Yourself

200

Name three states of matter.

Solid, liquid, gas

200

Name a country that borders China.

(Any of: Russia, India, etc.)

200

A rectangle has a length of 10 and a width of 4. What is its area?

40

200

What popular app is known for short dance videos?

TikTok

300

What does the phrase “once in a blue moon” mean?

Something that happens very rarely.

300

What organ pumps blood through your body?

Heart

300

Which river is the longest in the world?

Nile

300

Solve for x: 2x + 5 = 13

x = 4

300

Who is the author of "Harry Potter"?

J.K. Rowling

400

In the UK, what is the underground train system called?

The Tube

400

What’s the chemical symbol for sodium?

Na

400

Mount Everest is located on the border between which two countries?

Nepal and China

400

If a number is divisible by both 3 and 4, it must also be divisible by what number?

12

400

What K-pop group is known for the song "Dynamite"?

BTS

500

What language does the word “banana” come from originally?

Spanish or African languages  

500

What’s the center of an atom called?

Nucleus

500

The Great Barrier Reef is located off the coast of which country?


Australia
500

A train travels 90 km in 1.5 hours. What is its average speed in km/h?

60 km/h

500

Which actor portrayed the character of ‘Jack Dawson’ in the movie Titanic?

Leonardo DiCaprio