Chemistry experiments for kids. Interesting chemical reactions. How to grow crystals and dissolve...
Do you love chemistry experiments? Then check out these interesting chemical reactions you can do at home. We'll show you how to grow crystals and dissolve them using simple and readily available materials.
If you want to repeat these experiments at home, you'll need:
water;
soda ash (available at hardware and gardening stores);
copper sulfate (available at gardening stores);
calcium chloride (available at pharmacies);
acetic acid (available at any grocery store).
It's best to mix liquids in tall, transparent containers. When doing chemistry experiments at home, be sure to ask your parents what kind of containers are suitable. For these chemistry experiments, you'll need three containers.
I hope you remember that scientific experiments require safety precautions.
Protect your clothing, wear gloves, and avoid inhaling liquids directly from the containers. Some experiments require safety goggles.
Watch the video, watch the crystals grow, and do it yourself! Fun chemistry is available even at home.
How did this happen?
Copper sulfate is soluble in water. We see a light blue liquid.
When calcium chloride solution is added, a chemical reaction occurs, forming copper carbonate CuCO3, which is insoluble in water. We can thus observe the crystals precipitating.
Adding acetic acid produces copper acetate, and the crystals dissolve.
Experiment 2
Soda ash dissolves in water. When calcium chloride is added, a chemical reaction occurs, forming calcium carbonate.
We observe the crystals precipitating.
Adding acetic acid to calcium carbonate produces calcium acetate, and all the crystals dissolve.
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