Science Experiments to try at Home
Simple science experiments written by secondary students for primary students to do at home.
Simple science experiments written by secondary students for primary students to do at home.
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Glowing White Mud<br />
Ingredients:<br />
Cornflour<br />
bottle of Tonic w<strong>at</strong>er<br />
Black light (UV) <strong>to</strong>rch<br />
Black or UV light dangerous <strong>to</strong><br />
eyes.<br />
Method<br />
• Put a few spoonfuls of the cornflour in a bowl and mix in small<br />
amounts of <strong>to</strong>nic w<strong>at</strong>er<br />
• Turn on a black light (UV light) <strong>to</strong>rch and shine <strong>at</strong> the<br />
cornflour. WARNING: You must not shine the <strong>to</strong>rch in your<br />
eyes.<br />
Results: The white powder has become fluorescent.<br />
Warro! It is your turn now <strong>to</strong> be the teacher. Can you<br />
explain why the mixture is fluorescent?<br />
DrM’s explan<strong>at</strong>ion<br />
Glowing White Mud<br />
There is a chemical in the <strong>to</strong>nic w<strong>at</strong>er called quinine which fluoresces in UV<br />
light. Add the cornflour so the quinine has something <strong>to</strong> stick <strong>to</strong> and fluoresce<br />
more.<br />
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