Jello Lenses Experiment

Kidzapp N/A Kidzapp

Create some oversized lenses out of jello and start observing your surroundings.


1 package of gelatin dessert mixture (like Jell-O). Light colours (lemon, lime) work better than really dark ones (grape or blue raspberry)

3/4 cup of water in a mug

Round-bottomed measuring spoons and measuring cups

A paper towel

A cutting board or tray

--STEP 1--

Start by heating 3/4 cup of water in the microwave for a minute and a half.

--STEP 2--

Pour the gelatin powder into a bowl, then pour the hot water over the powder. Mix them together for two minutes. Then let the liquid cool for about ten minutes.

--STEP 3--

Cover a cutting board or a flat tray with a paper towel.

--STEP 4--

Scoop out some liquid with the small measuring spoons, then place them on the paper towel.

--STEP 5--

To fill the larger measuring cups, place the empty cups on the paper towel and carefully pour the gelatin liquid in. Try not to spill, this stuff makes a pretty sticky mess to clean!

--STEP 6--

Carefully move your tray or cutting board to the fridge. Wait 4 hours for it to cool completely.

--STEP 7--

After 4 hours, you can gently remove your lenses from the spoons and cups. Wash your hands in the sink before your touch them, wet hands mean the gelatin won’t stick to your skin while you are pulling them out.

--STEP 8--

Add a little water to the bottom of a glass plate or bowl. Then place a lens inside, flat side down.

--STEP 9--

Move the bowl over different things to see them up close!


Lenses bend light as it moves through them. Your gelatin lenses work just the same way as telescopes, microscopes, binoculars, and eyeglasses!



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