Difference between revisions of "Hardness"
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==Key Stage 2== | ==Key Stage 2== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[Hardness]] is how difficult it is to change the shape of an object with a force. | + | [[Hardness]] is how difficult it is to change the shape of an [[object]] with a [[force]]. |
===About Hardness=== | ===About Hardness=== | ||
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: Object which need very little force to change their shape are called '''soft'''. | : Object which need very little force to change their shape are called '''soft'''. | ||
: Very '''hard''' objects are often [[Brittle]] which means they can break when you push them with a big force. | : Very '''hard''' objects are often [[Brittle]] which means they can break when you push them with a big force. | ||
| + | |||
| + | ===Examples=== | ||
{| class="wikitable" | {| class="wikitable" | ||
| Line 13: | Line 15: | ||
| style="height:20px; width:200px; text-align:center;" |Brick | | style="height:20px; width:200px; text-align:center;" |Brick | ||
| style="height:20px; width:200px; text-align:center;" |Glass | | style="height:20px; width:200px; text-align:center;" |Glass | ||
| + | |- | ||
| + | |[[File:BrickRed.png|center|200px]] | ||
| + | |[[File:GlassBroken.png|center|200px]] | ||
| + | |} | ||
| + | {| class="wikitable" | ||
| + | |+ Hard Materials | ||
| + | |- | ||
| style="height:20px; width:200px; text-align:center;" |Rock | | style="height:20px; width:200px; text-align:center;" |Rock | ||
| style="height:20px; width:200px; text-align:center;" |Metal | | style="height:20px; width:200px; text-align:center;" |Metal | ||
|- | |- | ||
| − | |||
| − | |||
|[[File:Rock.png|center|200px]] | |[[File:Rock.png|center|200px]] | ||
|[[File:Metal.png|center|200px]] | |[[File:Metal.png|center|200px]] | ||
| Line 31: | Line 38: | ||
|[[File:TyreRubber.png|center|200px]] | |[[File:TyreRubber.png|center|200px]] | ||
|} | |} | ||
| + | |||
| + | ==Key Stage 3== | ||
| + | ===Meaning=== | ||
| + | [[Hardness]] is how difficult it is to change the shape of an [[object]] with a [[force]]. | ||
| + | |||
| + | ===About Hardness=== | ||
| + | : [[Object]]s which need a lot of [[force]] to change their shape are called '''hard'''. | ||
| + | : [[Object]] which need very little [[force]] to change their shape are called '''soft'''. | ||
| + | : Very '''hard''' objects are often [[Brittle]] which means they can break when a large [[force]] is applied. | ||
| + | |||
| + | ==Key Stage 4== | ||
| + | ===Meaning=== | ||
| + | [[Hardness]] is how difficult it is to change the shape of an [[object]] with a [[force]]. | ||
| + | |||
| + | ===About Hardness=== | ||
| + | : [[Object]]s which need a lot of [[force]] to change their shape are called '''hard'''. | ||
| + | : [[Object]] which need very little [[force]] to change their shape are called '''soft'''. | ||
| + | : Very '''hard''' objects are often [[Brittle]] which means they can break when a large [[force]] is applied. | ||
Latest revision as of 09:04, 5 April 2019
Contents
Key Stage 2
Meaning
Hardness is how difficult it is to change the shape of an object with a force.
About Hardness
- Objects which need a lot of force to change their shape are called hard.
- Object which need very little force to change their shape are called soft.
- Very hard objects are often Brittle which means they can break when you push them with a big force.
Examples
| Brick | Glass |
 |
 |
| Rock | Metal |
 |
 |
| Fabric | Rubber |
 |
 |
Key Stage 3
Meaning
Hardness is how difficult it is to change the shape of an object with a force.