Technology
Biology
Geography
Chemistry
Life in the 20th century
100

What button turns the computer on?

The power button

100

Which trees don't shed its leaves?

Evergreen trees

100

Which is the largest country in both Europe and Asia? 

Russia

100

What is the chemical symbol for chlorine?

Cl

100

How did industrilization change everyday life in the 20th century?

Transportation and communication improved

200

What do you use to type on a computer?

A keyboard

200

Which body part got its name after a mythological figure?

Achilles

200

Which ocean is between Africa and Australia?

Indian ocean

200

How can you make caramel?

Heating sugar until it melts

200

Why was television important in the 20th century?

It spread information and entertainment

300

What device lets you call, text, and use apps?

A smartphone

300

Which paired organs can be removed on one side while still allowing a normal life?

Kidney

300

Which is the longest river in Europe? 

Volga river

300

Which gas is released when vinegar reacts with baking soda?

Carbon dioxide

300

What was one important social change for women in the 20th century?

Women gained more rights and job opportunities

400

What does the internet help people do?

Find information and communicate with others

400

What makes the soil fertile?

Hummus

400

Which country has the highest average elevation in the world? 

Bhutan

400

What happens to blue litmus paper in acid?

It turns red

400

What was a major effect of Word War II?

The internet was invented immediately after the war

500

What's an app?

A program people use on phones, tablets, or computers for different tasks

500

What is the longest bone in the human body?

Femur

500

Which river crosses the Equator twice? 

Congo river

500

What is the chemical process called when iron reacts with oxygen and water to form rust?

Oxidation

500

Which invention most improved global communication in the 20th century?

Computer and internet