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Materials:
A plastic bag with airtight seal.
Sharp pencils
Water
Absorbent paper
Instructions:
Gather the group and ask them what they think will happen if you go through a bag with the pen. It is normal for everyone to respond that the bag will burst or that the water...
Crystal letters
materials
Pipe cleaner
Thread
Wooden stick (or pencil)
Scissors
Medium plastic container
Measuring jug
Spoon
Food coloring (optional)
Borax powder or sodium percarbonate (it is a common component in soaps and detergents and can be found in supermarkets).
Instructions
First, give shape...
Magic Balloons
materials
2 empty plastic bottles
2 bottles of soft drink with gas (Coca-Cola)
baking powder
1 teaspoon of sugar
...
Worm dancers
materials
Gummy worms
Baking soda
Vinegar
Water
1 transparent glass
Instructions
First cut the worm lengthwise into four pieces and place them in a glass full of warm water with three tablespoons of baking soda for 15 minutes.
Then...
