Reversing Arrows

Light bending experiments today with Celine and the #GSCAtHome team exploring light refraction. Can you make an arrow appear to flip the direction it is pointing using just a glass of water?

To follow along at home, you need a glass of cold water; a piece of paper and a pen, pencil, crayons, chalk or paint; a table; and some adult permission and supervision.

Ideal for curious minds aged 5 years and over. View on YouTube.

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