Earth & Space
Life Science
Matter
Energy & Forces
Scientific Investigation
100

This star is at the center of our solar system.

Sun

100

Plants use sunlight to make food through this process.

What is photosynthesis?

100

Water, ice, and steam are examples of different states of this.

What is matter?

100

A push or a pull is called this.

What is a force?

100

Question: A step-by-step test used to answer a question.

Answer: What is an experiment?


200

This planet is known as the "Red Planet."

Mars

200

Animals that eat only plants are called these.

What are herbivores?

200

Matter that has a definite shape and volume is called this state.

What is a solid?

200

Question: The force that pulls objects toward Earth.

Answer: What is gravity?


200

Question: An educated guess that can be tested.

Answer: What is a hypothesis?


300

The Earth's movement around the Sun is called this.

Revolution

300

The organ that pumps blood throughout the body.

What is the heart?

300

When a liquid changes into a gas, it is called this.

What is evaporation?

300

Question: Energy from the Sun is a form of this energy.

Answer: What is light energy?


300

Question: Information collected during an experiment is called this.

Answer: What is data?


400

What is natural satellite that orbits Earth called?

Moon

400

The stage in a butterfly's life cycle between caterpillar and adult.

What is the chrysalis (pupa)?


400

The amount of space an object takes up is called this.

What is volume?

400

Question: Friction occurs when two surfaces do this.

Answer: What is rub against each other?


400

Question: The variable that is purposely changed in an experiment.

Answer: What is the independent variable?


500

The path a planet follows around the Sun is called this.

Orbit

500

Living things that break down dead plants and animals are called these.

What are decomposers?

500

A change that creates a new substance is called this type of change.

What is a chemical change?

500

Question: Stored energy that can be used later is called this.

Answer: What is potential energy?

500

Question: The final statement explaining what was learned from an experiment.

Answer: What is a conclusion?