A large round body that revolves around a star

The amount of space something takes up.

Characteristics used to describe matter like color, texture, size and density

The energy an object has because of motion.

A large organ that makes a digestive juice called bile.

A chunk of frozen gases, rock, ice, and dust orbiting the sun.

A tool used to measure the amount of matter in an object, which is the object's mass.

The mass of an object divided by the volume of an object

A push or pull, which may cause a change in an object’s motion.

A hard organ that has a spongy layer inside and that may help support the body or protect other organs.

Pieces of larger space objects that survive their passage through the earth's atmosphere that reach Earth's surface.

Scientists use these when they can not experiment on the real thing. They help scientist investigate things that are too big, expensive or unpredictable

When enough energy is taken in or released matter can changes.

A force that acts between two touching objects and that opposes motion.

A material that readily allows electric charges to pass through it and therefore carries electricity well.

5 objects found in the solar system

An investigation in which all of the conditions are controlled to test
a hypothesis.

Can be compressed when put under pressure

The force of attraction between objects

The source of most of the Earth's energy.

This is the type of nuclear reaction that takes place in stars

Any condition that can be changed in an experiment.

A change in which the form or shape
of a substance changes but the chemical makeup of the substance remains
the same.

A path along which electric charges can flow.

The smallest unit into which an element can be divided and still retain all the properties of that element.