Chemistry
Physics
Biology
Astronomy
English
100

This element has the symbol Na.

What is sodium?

100

This force keeps us on the ground and prevents us from floating into space.

What is gravity?

100

Known as the powerhouse of the cell.

What is the Mitochondria?

100

This is the closest planet to the Sun.

What is Mercury?

100

This beloved children's book begins with the line, "In the great green room, there was a telephone and a red balloon."

What is Goodnight Moon?

200

The chemical formula H₂O represents this common substance.

What is water?

200

The speed of light is approximately this many kilometers per second.

What is 300,000 km/s?

200

DNA stands for this.

What is deoxyribonucleic acid?

200

The Moon’s surface has these large, dark areas formed by ancient lava flows.

What are maria?

200

"To be or not to be" is a famous quote from this Shakespeare play.

What is Hamlet?

300

This gas fills party balloons and makes them float.

What is helium?

300

This famous scientist developed the three laws of motion.

Who is Isaac Newton?

300

Humans have this many pairs of chromosomes.

What is 23?

300

This planet is known for its giant red spot.

What is Jupiter?

300

The past tense of "go."

What is "went"?

400

The periodic table was created by this Russian chemist.

Who is Dmitri Mendeleev?

400

The measure of an object’s resistance to motion is called this.

What is inertia?

400

This process allows plants to convert sunlight into energy.

What is photosynthesis?

400

A group of stars forming a recognizable pattern is called this.

What is a constellation?

400

This classic novel features the characters Atticus Finch and Scout.

What is To Kill a Mockingbird?

500

This type of bond occurs when atoms share electrons.

What is a covalent bond?

500

The unit of power named after a Scottish inventor.

What is the watt (James Watt)?

500

The largest organ in the human body.

What is the skin?

500

The term for a star that suddenly becomes extremely bright due to an explosion.

What is a supernova?

500

A type of word that phonetically imitates the sound that it describes.

What is an onomatopoeia?