Use of the senses to gather information is called...

A series of steps that scientists use to answer questions about the world around us.

A conclusion based on prior knowledge and experience

An observation that is measurable, such as amount, height, length, or weight.

The part of an experiment that is changed.

A state of matter that has a definite shape and a definite volume.

The temperature at which a liquid changes to a gas.

A state of matter that has a definite volume but takes the shape of it's container.

A state of matter with no definite shape or volume.

The temperature at which a solid becomes a liquid.

Anything that has mass and takes up space.

The different forms in which matter can exist. (solid, liquid, gas)

The change of state from liquid to gas.

The temperature at which a liquid changes into a solid.

The change of state from liquid to gas.

The temperature at which a liquid changes into a solid.

States that energy cannot be created or destroyed, but can change from one form to another

The ability to do work.

Waves that travel through empty space are called....

Wave with a crest and a trough is called....

The direct transfer of heat between two substances that are touching is called...

A material through which energy flows easily is called...

The movement of thermal energy between substances (from hot to cold) is called...

What does the cell wall do?

What is the role of chloroplast inside of a cell? (Choose 3)