PHYSICS
Chemistry
Earth Science
Biology
Space Science
100

This force keeps planets in orbit around the sun.

Gravity

100

The chemical symbol for water.
 

H₂O

100

The layer of Earth where weather occurs.
 

The troposphere?

100

The basic unit of life.
Question: What is the cell

The cell

100

This term describes a group of stars forming a pattern in the sky.
 

constellation

200

The unit used to measure electric current.

Amper

200

This element has the atomic number 6.

 carbon

200

This scale measures earthquake magnitude.
 

The Richter Scale?

200

This molecule carries genetic information.
Question: What is DNA?DNA

DNA

200

This is the term for a rock from space that survives passage through Earth’s atmosphere and lands on the surface.

meteorite

300

This law states that for every action, there is an equal and opposite reaction.

Newton’s Third Law of Motion?

300

The pH value that represents a neutral solution.
 

7

300

The movement of Earth’s tectonic plates is called this.
 

Plate tectonics

300

The process plants use to make food using sunlight.
 

Photosynthesis?

300

This term describes the explosion of a dying star.

Supernova?

400

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

300,000 km/s

400

This table organizes elements by atomic number.
 

the Periodic Table

400

This type of rock forms from cooled lava or magma.
 

igneous rock

400

This organ pumps blood throughout the human body.
 

The heart

400

This private company, founded by Elon Musk, develops rockets like Falcon 9.
Question: What is

SpaceX?

500

This type of energy is associated with motion.
 

kinetic energy

500

The process by which a solid changes directly into a gas.

sublimation

500

The supercontinent that existed millions of years ago.
Question: What is

Pangaea

500

he scientist who developed the theory of evolution by natural selection.

 Charles Darwin

500

This famous equation relates energy and mass.

 E=mc²

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