Teach kids about light refraction with this fun science experiment for kids.
Step 1 (Optional): Let the kids paint the box!
Step 2: Fill the bottles with water. For more fun add food coloring to some of the bottles.
(I recommend regular sized bottles; around 16oz. Mine were a little small).
Step 3: Trace the bottom of the bottles on the top of the box and cut holes.
(You can also put tinfoil on the top of the box to help the light reflect into the bottles).
Step 4: Cut a hole in the side of the box to look inside.
(I recommend cutting a smaller window or just eye holes.)
Step 5: Push bottles into holes and let the experimenting begin!
The Science behind it:
When light from the sun hits a solid object, like the cup, it is absorbed. When light hits the water in the bottle, it bends in all different directions. It bends because the water makes the light slow down. This is called refraction. The water makes the light spread out in the box. I also gave the example of being by the pool. I told the kids we have to wear lots of sunscreen by the pool because the water makes the light spread out and we can burn easily from the light. You can also show the children what the light does when there are just holes in the top of the box and no water bottle.
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