Simple Experiments

Rainbow in a Glass

What You Need: water, sugar, food coloring, a clear cup.

1. Fill the cup with water.
2. Add a spoonful of sugar and stir until it disappears.
3. Drop a few drops of one color of food coloring.
4. Watch the color spread slowly, making a tiny rainbow.

Dancing Raisins

What You Need: a clear glass, soda (like clear lemon‑lime), a few raisins.

1. Pour the soda into the glass.
2. Drop the raisins in.
3. The bubbles stick to the raisins and lift them up.
4. When the bubbles pop, the raisins sink again.
5. They keep dancing up and down.

Magic Milk

What You Need: a shallow dish, milk, a drop of dish soap, a cotton swab, food coloring.

1. Fill the dish with a thin layer of milk.
2. Add a few drops of different colors of food coloring.
3. Dip the tip of the cotton swab in dish soap.
4. Touch the soap to the center of the milk.
5. Colors swirl and move like a rainbow pond.