Difference between revisions of "Reversible Changes"
Line 17: | Line 17: | ||
|+ Making shapes with playdough is a reversible process. | |+ Making shapes with playdough is a reversible process. | ||
|- | |- | ||
− | |[[File:Playdough.png|center| | + | |[[File:Playdough.png|center|400px]] |
|- | |- | ||
− | | style="height:20px; width: | + | | style="height:20px; width:400px; text-align:center;" |Once you squash playdough into a new shape you can squeeze it back into the original shape. |
|} | |} | ||
Revision as of 08:34, 31 August 2018
Key Stage 2
Meaning
A reversible change is a change which can be undone.
About Reversible Changes
- In a reversible change you can get back the substance you started with.
- A change that cannot be reversed is called irreversible.
Reversible changes you should know are:
Examples
Once you squash playdough into a new shape you can squeeze it back into the original shape. |
A solid will melt and become a liquid. You can then freeze it to become a solid again. |
When a gas is condensed into a liquid you can always evaporate it back into a gas. |