Splatter Patterns, Water Balloons and a Hangout
Jul29

Splatter Patterns, Water Balloons and a Hangout

Our rather disjointed Science Sparks Hangout today explored how to get a good splatter pattern from water balloons.  What we were hoping to show was that a water balloon dropped from a greater height will fall with more speed and have a bigger splatter pattern than a water balloon of the same size dropped from a lower height. As you can see in the Hangout we hit a few issues,  the balloons broke a little too easily, one on the tap and...

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Slipping and Sliding
Jul23

Slipping and Sliding

On a rainy day my children can often be found skidding down our hallway. We have wooden floors, so they are slippy enough to be fun, but not so slippy it’s dangerous. We have found that skidding is a lot more fun when wearing socks, but why is this? The answer is Friction. Friction is a force that opposes movement between two materials moving past each other. Frictional Forces act in the opposite direction to the object trying...

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Filtering Experiment – can you do better?
Jul12

Filtering Experiment – can you do better?

We’ve tried a filtering experiment using dirty water before, using kitchen roll as the filter. Today we tried something a little different. We looked in the garden for three things that might make good filters, and chose large stones, small stones and sand. We talked about which we though would be the best filter, and decided the sand would probably work best as it was the smallest. What you need Large stones Small Stones Sand...

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Will you Hangout with us?

You might have spotted a few live Hangouts if you follow Science Sparks on Google +. I am planning to run them weekly over summer, and they will be advertised in advance. I’ll be sharing the full schedule soon, as well as a list of what you’ll need to do each activity. I really want the Hangouts to be interactive and show the children doing an activity so you can see that things don’t always go to plan and hear the...

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Viscosity Experiment – large scale viscosity race
Jul01

Viscosity Experiment – large scale viscosity race

We’ve done a viscosity race before, but this time I wanted to do it on a bigger scale and really get the kids involved, so we created this large scale viscosity experiment. The rate at which different fluids flow can vary considerably, we call this resistance to flowing viscosity. What you need A Ramp Stopwatch Some liquids to test, today we used oil, water, corn syrup, passata, treacle and ice cream sauce Containers for the...

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