Science in Everyday Life
Brainy Math
Biology Basics
Tech & Engineering
Earth & Space
100

This gas makes up about 78% of the air we breathe.

What is nitrogen?

100

What is 6 + 7 x 6 - 7?

What is 41?

100

The part of the cell known as the “brain.”

What is the nucleus?

100

This device converts electrical energy into mechanical motion

What is a motor?

100

The planet known for its rings.

What is Saturn?

200

Toothpaste often contains this mineral to help prevent cavities.

What is fluoride?


200

The value of π (pi) rounded to two decimal places.

What is 3.14?

200

Humans have this many chromosomes?

What is 46?


200

The part of a computer that performs calculations.

What is the CPU?

200

The closest planet to the sun.

What is mercury?

300

This organ filters waste from your blood.

What is the kidney?

300

The square root of 144.

what is 12?

300

These carry oxygen in the blood.

What are red blood cells?

300

This simple machine includes a wheel and a rope.

What is a pulley?

300

The moon affects this ocean phenomenon.

What are tides?

400

The process plants use to make food using sunlight.

What is photosynthesis?

400

How many seconds are in 1 hour?

What is 3,600 seconds?
400

The molecule that stores genetic information.

What is DNA?

400

The process of designing, building, and testing solutions to problems.

What is engineering?

400

This layer of the atmosphere protects us from the Sun's harmful ultraviolet rays

What is the ozone layer?

500

This type of energy is stored in food and released during digestion.

What is chemical energy?

500

The probability of flipping two heads in a row with a fair coin.

What is 1/4?

500

The largest organ in the human body.

What is the skin?

500

This type of engineer designs bridges and buildings.

What is a civil engineer?

500
These massive explosions on the sun's surface can disrupt satellites and power grids on Earth.

What are solar flares?

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