week 3 term 3

This week in science we have learnt allot about atomos. Last week in science we made rockets and launched them off. Mine went 18 meters long. I have also learnt what stereotype is. In PE we have been doing the cross country track. Last time my time was 18 minutes and 45 seconds. 

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science

What causes lightning? 

Explanation:

All these collisions cause a build up of electrical charge.  Heavier, negatively charged particles sink to the bottom of the cloud. When the positive and negative charges grow large enough, a giant spark - lightning - occurs between the two charges within the cloud.

:

https://www.youtube.com/watch?v=Cz_uYBx1G5s