Forces and Motion
Matter & Its Properties
Plants & Ecosystems
Earth & Space
Energy
100

This is the force that pulls objects toward Earth.

What is gravity?

100

This state of matter has a definite shape and volume.

What is a solid?

100

This part of the plant absorbs water from the soil.

What are roots?

100

This is the star at the center of our solar system.

What is the Sun?

100

This type of energy comes from the Sun.

What is light energy?

200

This force slows down moving objects when two surfaces rub together.

What is friction?

200

This state of matter takes the shape of its container but has a definite volume.

What is a liquid?

200

This part of the plant makes food using sunlight.

What are leaves?

200

This is water that falls from clouds to Earth.

What is precipitation?

200

This type of energy can make things warmer.

What is heat energy?

300

A push or a pull on an object is called this.

What is a force?

300

This state of matter has no definite shape or volume.

What is a gas?

300

This process allows plants to make their own food.

What is photosynthesis?

300

This is when liquid water turns into water vapor.

What is evaporation?

300

Energy that an object has because it is moving is called this.

What is kinetic energy?

400

This happens when an object changes position over time.

What is motion?

400

This is a property that can be observed without changing the substance, like color or size.

What is a physical property?

400

This is a group of living and nonliving things interacting in an area.

What is an ecosystem?

400

This is when water vapor cools and turns into liquid.

What is condensation?

400

Energy stored in an object because of its position is called this.

What is potential energy?

500

This measures how fast an object moves over a distance.

What is speed?

500

This type of change does not create a new substance.

What is a physical change?

500

This is the path energy takes as it moves from one organism to another.

What is a food chain?

500

This is the continuous movement of water on, above, and below Earth’s surface.

What is the water cycle?

500

This is the ability to do work.

What is energy?