Matter and Its Properties
Chemistry and Chemical Reactions
Forces and Motion
Energy
Earth and Space Science
100

This is the amount of matter in an object

What is mass?

100

When a substance changes into a new substance, this type of change has occurred.

What is a chemical change?

100

This force pulls objects toward Earth.

What is gravity?

100

The energy an object has because it's moving.

What is kinetic energy?

100

The star at the center of our solar system.

What is the Sun?

200

Matter can exist as a solid, liquid, or this state

 What is a gas?

200

The substances formed after a chemical reaction are called these.

 What are products?

200

The force that opposes motion between two surfaces.

What is friction?

200

The energy stored in an object because of its position.

What is potential energy?

200

The force that keeps planets orbiting the Sun.

What is gravity?

300

This property is found by diving mass by volume.

What is density?

300

According to this law, matter cannot be created or destroyed during a chemical reaction.

What is the Law of Conservation of Mass?

300

Speed in a given direction is called this.

what is velocity?

300

Heat transfer through direction contact is called this.

What is conduction?

300

The layer of Earth is made of modern rock beneath the crust.

What is the mantle?

400

A substance made of only one type of atom is called this.

What is an element?

400

The substances that go into chemical reactions are called these.

What are reactants?

400

Newton's first law is also known by this name.

what is the law of inertia?

400

The transfer of energy from one form to another is called this.

what is an energy transformation?

400

The movement of Earth's tectonic plates can cause these natural events.

What are earthquakes?

500

The smallest particle of an element that still retains that element’s properties.

What is an atom?

500

A reaction in which two or more substances combine to form a single product.

What is a synthesis reaction?

500

According to Newton's third law, for every action there is this.

According to Newton's third law, for every action there is this.

500

Heat transfer by the movement of liquids or gases.

what is convection?

500

The path and object follows as it moves around another object in space.

What is orbit?

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