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6 Fun Science Experiments for Kids

Crafts Science

Is your little one a budding scientist? Are they using containers and magnifying glasses to examine different objects? Then these activities will be a hit! They are great ideas for when summer holiday boredom sets in and they are educational too! So don those lab coats (a.k.a. old white dress shirts) and get experimenting!

Colourful Clouds 

What you need:
  • A glass jar
  • Shaving cream
  • Food colouring
  • Water
Pour water in the jar until it is half full. Spray shaving cream on top of the water. Add several drops of food colouring on top of the shaving cream. Wait and watch.
The food colouring will eventually break through the shaving cream and “rain” down through the water below not unlike when water droplets that form inside a cloud become heavy enough to fall from the sky.

Bubbly Colours

What you need:
  • A shallow tray or pan
  • Baking soda
  • Eyedropper or spoon
  • Food colouring
  • White vinegar
  • Small bowls
Shake a layer of baking soda into the bottom of the tray. Mix a few drops of food colouring into small dishes of vinegar. Then, using the eyedropper (or spoon), drop small amounts of the vinegar/food colouring solutions onto the baking soda and wait for the bubbles to appear! 
The acetic acid in the vinegar reacts with the sodium bicarbonate in the baking soda to create carbonic acid. The carbonic acid then breaks down into water and carbon dioxide (which forms bubbles). 


What you need:
  • A bottle with lid
  • Liquid dish soap
  • Baking Soda
  • Food colouring (optional, not necessary if your dish soap is coloured)
Mix equal parts dish soap and baking soda together in a bottle. Put on the lid and shake until the ingredients thicken. Then, pour the mixture out of the bottle and have some ooey, gooey fun. 

Lava Lamp

What you need:
  • A bottle or jar
  • Vegetable oil
  • Water
  • Food Colouring
  • Alka-Seltzer tablets
Pour vegetable oil into a bottle until it is 2/3 full. Add some water until the bottle is almost filled to the top. Add a few drops of food colouring. The food colouring will mix with the water but not with the oil. This alone is enough to create the effect of a lava lamp (when the bottle is shaken). However, the real magic begins once the Alka-Seltzer® tablets are added. Break a tablet into several pieces and drop the fragments into the bottle, one at a time.
Alka-Seltzer tablets contain citric acid and sodium bicarbonate (baking soda). When you drop the tablet pieces into the oil-and-water mixture, the citric acid and baking soda react, creating a fizz that forces the colourful water bubbles to move around the oil mixture thereby creating a "lava lamp" effect.
Note: If you don't have Alka-Seltzer tablets, you can use a pinch of baking soda and a drop of vinegar instead.

Milk Bubbles

What you need:
  • Bowl
  • Milk
  • Vegetable oil
  • Food Colouring
  • Tooth picks
Pour milk into a bowl until it is 3/4 full. Add a thin layer of oil on top of the milk. Drip a few drops of food colouring onto the oil. Use a toothpick to “pop” the colour bubbles and swirl the ingredients slowly around the bowl. Create more bubbles by blowing gently over the bowl. The results are out of this world.
Try this: Redo the experiment with only milk (and no oil) or substitute dish soap for the oil. 

Sun Prints

What you need:
  • Dark coloured construction paper
  • Objects of your child's choice
On a sunny day, place a sheet of construction paper outside in direct sunlight. Then, arrange some found objects on top of the paper. When you check on your project after about an hour, you will find that the sun has bleached the paper, leaving behind a visual impression of the arrangement of objects.

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