On December 29th, 2018

Science Activities to Treat Cabin Fever

When it starts snowing and you have to stay out of the cold, it's hard not to get a little stir crazy indoors. These science activities for kids will keep things fun, educational, and warm!

Turning water to music

What you need:

  • A few glass cups or bottles
  • Water
  • A pencil

Instructions:

Line the glasses up and fill them with different amounts of water. The first should only have a little, adding a bit more every time until the last cup is almost full.
Hit the glasses and pay attention to the difference in sound!

Explanation:
Each of the glasses have a different tone when you hit them with the pencil! The glass with the most water will have the lowest tone while the least will have the highest. When you hit the glass with the pencil, it creates vibration that have to travel through the water. The more water you have, the slower the vibrations will travel, and the deeper its tone will be!

 

Bending water with electricity

What you need:

  • A plastic comb or a balloon
  • A sink
  • Dry hair

Instructions:
Turn the tap on, just enough for the water to come out in a very narrow stream.
Run the comb through your hair around 10-15 times. If you're using the balloon, inflate it and rub it back and forth against your hair for a few seconds.
Slowly move your comb or balloon towards the stream of water and watch closely. Be sure not to touch the water.

Explanation:
Negatively charged particles are called electrons. When your hair rubs against your comb or balloon they build up a whole lot of electrons and become negatively charged! the water has positive and negative particles, so it's neutral. When you move the comb or balloon closer to the water, it attracts the positively charged particles and the stream bends!

 

Milk putty

*This experiment requires adult help/supervision!

What you need:

  • Milk
  • White vinegar
  • A bowl
  • A strainer

Instructions:
Heat the milk until it is hot but not boiling.
Carefully pour the milk into a bowl.
Add 4 teaspoons of vinegar to the bowl and stir it for a minute or two.
Pour the milk through the strainer. Be careful, the milk may still be hot! It will leave behind a bunch of lumpy blobs.
When it cools, you can rinse them and mold them into shapes!
let them sit for a few days to dry

Explanation:
You've made something called Casein! Casein occurs when the protein in the milk meets the acid in vinegar. Casein doesn't mix with acid, so it lumps together in blobs!
Fun fact: Casein comes from the Latin word 'cheese'.

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