2 PM STEM

Today I have an experiment to see if you can grow your own rainbow. 

Items you will need: a piece of kitchen roll , felt tip pens, 2 bowls, water, scissors, paper clip (we used a hair kirby because I didn’t have a paper clip) and a piece of thread (we used ribbon).

Here are the steps to grow your own rainbow:

1 Encourage your child to use scissors to cut a rainbow shape out of the piece of kitchen roll. If you need to, draw the shape of the rainbow on the kitchen roll first so your child can follow the line while cutting. Remind your child that scissors are sharp and they need to be careful when using them. Adults supervise or help if needed.

2 Use your pens to colour a rainbow about 2cm up on both ends. Then attach your paper clip (kirby) to the top of your rainbow and attach a piece of thread(ribbon). Put water in each bowl (half fill).

3 Hold your rainbow using the thread(ribbon) allow the ends of your rainbow to touch the water.

Your rainbow should start to grow!

While doing the experiment you could discuss:

What colours are in a rainbow?

In what kind of weather would you see a rainbow ?

Where would you find a rainbow?

Have fun !

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