Understanding the Experiment with Food Coloring, Water, and Oil

What are the materials required for the experiment?

• Water, salt, and sugar

• Food coloring, vinegar, and baking soda

• Cooking oil, flour, and eggs

• Food coloring, water, and cooking oil

Which colors of food coloring are used in the experiment?

• Cyan, magenta, yellow, and black

• Black, white, gray, and silver

• Orange, purple, pink, and brown

• Yellow, red, blue, and green

Why does the oil float on top of the water?

• Because oil is thicker than water

• Because oil is less dense than water

• Because oil is heavier than water

• Because oil is more colorful than water

What happens to the food coloring droplets when they are added to the water?

• They evaporate immediately

• They float on top of the water

• They dissolve slowly, creating a fireworks effect

• They change color

What is the main reason food coloring does not dissolve in oil?

• Food coloring is too light

• Food coloring is too dense

• Food coloring is oil-soluble

• Food coloring is water-soluble