Submerge the toothpick in lemon juice.

Write down a message on the paper using that toothpick

Let it dry completely

Turn on the candle

Place the sheet over the fire, on the opposite side from where you wrote the message

2nd experiment.
Elephant toothpaste

In the disposable glass mix 2 tablespoon of yeast and 3 tablespoons of water.

In the plastic bottle mix ½ cup of hydrogen peroxide, 1 tablespoon of liquid dish soap and 4 drops of food coloring.

Before you continue, place the bottle over the plastic tray.

Using the plastic funnel place the mixture of the disposable glass over the plastic bottle.

Observe what happens.

3rd experiment ¡Another way to inflate balloons!

In an empty PET bottle place ¼ cup of vinegar

Take a balloon and place two tablespoons of baking soda in the balloon.

Attach the balloon to the PET bottle, make sure NO baking soda falls in the vinegar.

Now lift the balloon and let the baking soda in the bottle.

Observe what happens

Add vinegar until it completely covers the egg.