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On Wednesday afternoon we were treated to an afternoon of Science explosions. A scientist came into school and carried out lots of experiments explaining how and why they work. The first experiment was like a magic trick. He poured water into a cup and before we knew it the water had vanished. Magic! He went on to further explain that there was a polymer inside the cup which acted as an absorbing agent and this can also be found in children's nappies.
The next experiment he did was positioning a balloon over 1 nail. We found out that when we applied pressure the balloon popped. After that, we then positioned a balloon over many nails to see if the same would happen. Interestingly, it didn't pop. We discovered that because the force was spread out over lots of nails it would take a greater force to pop the balloon. We used tins of beans to establish that with the pressure of 20N the balloon eventually popped.
Lots of other experiments were carried out on the day including firing a potato at the window! We had a fabulous time and it has inspired us to create our science projects ahead of the science fair.