Scientific Discoveries
Computer Science
Space
Life Science
Chemistry
100

What is gravity?

Objects fall to the ground because of an invisible pulling force.

100

What is a program?

Set of instructions that tells a computer what to do.

100

What is the Red Planet?

Mars

100

What is the brain?

The organ that controls your thoughts, movements, and senses.

100

What is a solid?

This is the state of matter that has a definite shape and volume.

200

What is natural selection?

How species change over time to adapt to their environment.

200

Name three web browsers.

Web browsers include Google Chrome, Safari, Microsoft Edge, Mozilla Firefox, Opera, Brave, and Vivaldi. Other notable browsers are Arc, Tor, and Maxthon. 

200

What are Stars?

Huge balls of gas that give off light and heat.

200

What is the immune system?

The system in your body that fights off illness and infection.

200

What is water made of?

Two hydrogen atoms and one oxygen atom

300

What are plate tectonics?

Earth's outer layer is broken into pieces that move and cause earthquakes and volcanoes.

300

What is the CPU (central processing unit)?

This is the “brain” of the computer that processes information and performs tasks.

300

What is an orbit?

This is the path a planet takes as it moves around the Sun / Star.

300

What are cells?

Tiny building blocks make up all living things.

300

What is a chemical change?

This type of change creates a new substance, like when baking a cake.

400

What is atomic theory?

Everything is made of tiny particles too small to see.

400
What is cybersecurity?

Protecting computers and data from hackers, viruses, and other threats.

400

What is the event horizon?

The boundary around a black hole beyond which nothing can escape.

400

What is a vaccine?

Type of medicine that uses weakened germs to train your body to fight off disease.

400

What are elements?

These are the basic substances that everything is made of, found on the periodic table.

500

What is heredity? 

How traits are passed from parents to offspring using genes.

500

What is machine learning?

Ability of a machine or program to learn from experience and improve over time without being reprogrammed.

500

Name all 8 planets in order from the sun (closest to farthest).

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

500

What is DNA?

This molecule carries the genetic instructions used in growth, development, and functioning.

500

What is oxygen?

This gas is released during photosynthesis and is essential for humans to breathe.