Science experiments for children – Other magic potions with baking soda and vinegar, for children of kindergarten and primary school.
What you need: a transparent container, white vinegar, food coloring, dish detergent, baking soda.
What to do: put the container on a tray and fill it halfway with white vinegar, add a splash of liquid detergent and food coloring, then a teaspoon of baking soda
http://www.minieco.co.uk/
__________________________
Science experiments for children – Other magic potions
Here with baking soda, vinegar and water colors:
http://playathomemom3.blogspot.com/
____________________________
Science experiments for children – Other magic potions
Here with baking soda, vinegar and juice of red cabbage:
http://momandkiddo.blogspot.com/
As the red cabbage changes color coming into contact with acids and bases, you can experience color changes before adding the vinegar and baking soda then, or first milk, liquid soap, wine, etc … and then baking soda …
_________________________
Science experiments for children – Other magic potions
Even baking soda and vinegar, but with surprise:
http://notjustcute.com/
This is paid in each jar a different color, and cover with baking soda, so that the jars might look the same. Then add the vinegar colors will reveal…
Science experiments for children – Other magic potions
With hydrogen peroxide and baking powder:
http://www.sciencebob.com/
What you need: a clean plastic bottle, half cup of hydrogen peroxide at 20 volumes (you can buy at the hairdresser), a packet of dry yeast, 3 tablespoons of hot water, liquid dish soap, food coloring, safety glasses.
The foam will overflow from the bottle: Be sure to do this experiment on a washable surface, or on a tray.
What to do: pour into the bottle of hydrogen peroxide, add eight drops of food coloring, a tablespoon of dish soap, and a little shake the bottle to mix the ingredients.
In a separate container, dissolve the yeast in the warm water mixing. Using a funnel pour the yeast so prepared into the bottle …
… The foam will begin to grow in an impressive way!
_______________________
Science experiments for children – Other magic potions
Vitamin C, iodine tincture and hydrogen peroxide
http://www.sciencebob.com/
Cosa serve:
3 clear plastic cups , a 1000 mg Vitamin C tablet , tincture of iodine (2%), hydrogen peroxide (3%) , liquid laundry starch (or corn starch or potato starch)
Cosa fare:
Crush the vitamin C tablets by putting them in a plastic bag and crushing them with a rolling pin, trying to obtain a powder as fine as possible. Put all the powder in a cup and add 60 ml of warm water. Stir for 30 seconds. Label the cup as “LIQUID 1”.
Put 1 teaspoon of LIQUID 1 in a second cup and add to it 60 ml of warm water and 1 teaspoon of iodine. Label the cup as “LIQUID 2”.
In a third cup mix 2 ml of warm water, 1 tablespoon of hydrogen peroxide and 1/2 teaspoon of liquid starch. Labeled “LIQUID 3”.
Now begins the actual experiment: decant the contents of the cup 2 into the cup 3, and repeat the transfer a couple of times .. Then place the container on the tray and observe in a few seconds the transparent liquid become dark blue.
