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2-PS1-4

Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.

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Interesting reversible irreversible changes worksheet
Interesting reversible irreversible changes worksheet

Reversible Irreversible Changes Worksheet

Crack an egg and cook it – once it's done, there's no return to its original state.
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Reversible Irreversible Changes Worksheet
Worksheet
States of Matter: Freezing and Melting Worksheet
States of Matter: Freezing and Melting Worksheet

States of Matter: Freezing and Melting Worksheet

Have students look through the pics in the worksheet. Ask them what changes of state are shown, then trace the lines to the right answers. Matter can come in liquid or solid form, and changes between the two when heated or cooled (melting/freezing).
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States of Matter: Freezing and Melting Worksheet
Worksheet