Chemistry
Physics
Earth Science
Astronomy
Biology
100

 This is the center of an atom.

What is a nucleus?

100

The formula for this is mass/volume.

What is density?

100

This natural process is caused by tectonic plates shifting.

What is an earthquake?

100

This is the closest star to the Earth.

What is the Sun?

100

This organ pumps blood.

What is the heart?

200

This is the most reactive group of nonmetals.

What are halogens?

200

The formula for this is mass x acceleration.

What is force?

200

This was the supercontinent that broke apart millions of years ago.

What is Pangaea?

200

This thing causes tidal waves.

What is the Moon?

200

This system uses and distributes oxygen.

What is the respiratory system?

300

This group is stable and barely reacts.

What are noble gases?

300

Pascals are the unit of measurement for this.

What is pressure?

300

The three types of rocks are igneous, sedimentary, and ________.

What is metamorphic?

300

This is the time light rays take to travel if the Sun was twice as far away.

What is 16 minutes?

300

This theory states that only the “strongest” survive.

What is Darwin’s theory?

400

This is the ratio of electrons to protons in mass.

What is 1836 to 1?
400

This law states that if one object exerts a force on another object, the second object exerts a force of equal strength in the opposite direction of the first object.

What is Newton’s third law?

400

When fuels are burned, this type of energy is produced.

What is chemical energy?

400

The white halo around the Sun is called the ________.


What is the corona?

400

This disease makes blood cells oval-shaped so they cannot carry oxygen.

What is sickle cell disease?

500

This chemist discovered the neutron.

Who is James Chadwick?

500

This is a force that causes an object to move in a circular path.

What is centripetal force?

500

Out of P waves, S waves, and surface waves, this is the slowest.

What are surface waves?

500

This planet (in our solar system) has the highest force of gravity.

What is Jupiter?

500

This part of a cell acts like the storage system.

What is the vacuole?

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