Materials can exist in different states – solid, liquid, and gas.
Understand and apply knowledge of characteristics of liquids and solids.
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Materials can exist in different states – solid, liquid and gas. Some common materials can be changed from one state to another by heating or cooling.
It may be necessary to use magnification to observe the component parts of some materials.
A substance has characteristic properties. A mixture of substances often can be separated into the original substances using one or more of the characteristic properties.
Make observations and measurements to identify materials based on their properties.
The properties of a substance can be measured using tools and technology.