IQ-Test

Front

What is the result of 71 + 1 + 1 - 1?

Back

72

Front

What is 10 - 2?

Back

8

Front

Which gas makes up 78% of the Earth's atmosphere?

Back

Nitrogen

Front

What causes a rainbow to form?

Back

A rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle.

Front

What force pushes airplanes upward?

Back

Lift pushes the airplane up.

Front

What is the definition of Lift in aviation?

Back

Lift is the force that directly opposes the weight of an airplane and holds the airplane in the air.

Front

What is the primary gas that humans breathe?

Back

Oxygen.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

What is the process of water vapor turning into liquid water called?

Back

Condensation.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit).