We experimented with quantities of PVA glue, water and Borax to make slime. When we changed the quantity of Borax in the solution, we found that our slime became increasingly bouncy.
Friday, 29 April 2016
What is the capacity of a disposable nappy?
We discovered that disposable nappies contained tiny granules of water sensitive chemical that can hold liquid. We used the new measuring cylinders for our Science kits to measure the amount of liquid they could hold before they became saturated. Some classes compared the retention in boys and girls nappies.
Tricky triangles - Maths meets Science
We used force to make triangles of every possible shape. First we marked an elastic band into thirds with a marker pen, and then cut a length of string into thirds, tying one end to each mark on the elastic band. Remembering force is a push or a pull, we worked in groups of three to pull one end of string to make different shaped triangles. We knew the elastic shapes were triangles because they all had three sides and three angles.
Float the Boats
Heavy rain left puddles under the dome that made an impromptu pool for floating boats. We fashioned our crafts out of tinfoil and experimented to see how many acorns each one could carry as cargo.
Easter Egg Science
The Science Club carefully cracked open eggs in half and removed the yolk and white (plenty of scrambled egg mixture for the weekend!). We then very gently wiped the inside of the shells dry and secured a marble with blue tac to the bottom of the large half. Next we taped the two halves together to make a whole empty egg - but with a twist! With the heavy marble inside, the egg's centre of gravity was changed. Now, whenever the egg was pushed over, it rolled around to right itself, as the heaviest part with the marble sat on the desk.
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