Changes

== Knows measurement concepts ==

== Knows measurement concepts ==

<gallery>

<gallery>

File:Ruler.png|The Ruler activity provides tools for measuring lengths and angles.

File:Ruler.png|The Ruler Activity [http://activities.sugarlabs.org/en-US/sugar/addon/4192]provides tools for measuring lengths and angles.

File:Distance.png|Using the Distance activity, the distance between two laptops can be measured.

File:Distance.png|Using the Distance Activity [http://activities.sugarlabs.org/en-US/sugar/addon/4264], the distance between two laptops can be measured.

File:GCompris-scales.png|A simple tool for exploring weights and balance.

File:GCompris-scales.png|A simple tool for exploring weights and balance. [http://activities.sugarlabs.org/en-US/sugar/addon/4178]

File:Screenshot of Physics.png|Constructing a balance with the Physics Activity [http://activities.sugarlabs.org/en-US/sugar/addon/4193]

File:Screenshot of Physics.png|Constructing a balance with the Physics Activity [http://activities.sugarlabs.org/en-US/sugar/addon/4193]

File:Gg-sensors.png|GoGo (sensor lab) for measuring temperature, humidity, etc.

File:Gg-sensors.png|GoGo (sensor lab) for measuring temperature, humidity, etc.