General and fun
Chemistry
Ecosystem
History
Geography
100

What has keys but can’t open locks?

Piano

100

Which element is liquid at room temperature

Mercury

100

The process of energy production in organisms?

Cellular respiration

100

This is the largest ocean on Earth.

Pacific Ocean

200

Bingo! No question this time! Lucky team :)

Nothing

200

These are needed for a successful collision.

collisions with enough energy and correct orientation

200

This war (1914–1918) was known as “The Great War.

World war I

200

This country has the largest population in the world (as of recent years).

India

300

I speak without a mouth and hear without ears. What am I?

Echo

300

Name three ways to increase the reaction speed.

heating up, use catalysts, increase the concentration

300

The variety of living species in an ecosystem is called this.

Biodiversity

300

This famous explorer reached the Americas in 1492.

Christopher Columbus

300

This European river flows through cities like Vienna, Budapest, and Belgrade.

Danube River

400

The more you take, the more you leave behind. What are they?

Footsteps

400

name of the compound with a 3-carbon chain and one Cl on carbon 2

2-chloropropane

400

Competition among the same organisms is.....

Intraspecific competition

400

An event in 1989 symbolised the end of the Cold War divide in Europe.

Falling Berlin Wall.

400

This country’s flag features a Union Jack in the corner and stars representing the Southern Cross constellation.

Australia

500

I have hands but cannot clap. What am I?

Clock

500

What is the sum of the coefficients for the balanced combustion of butane?
C4H10 + O2 ====> CO2 +H2O

12

500

One kind of water pollution is caused by fertilizers being washed into the water body.

Eutrophication

500

This conflict between the United States and the Soviet Union was characterized by political tension, arms races, and no direct fighting.

Cold War