Lava Lamp Experiment Quiz

What is the first step in preparing for the lava lamp experiment?

• Gathering materials like oil and glitter

• Wearing a lab coat

• Adding food coloring to water

• Mixing oil and water

What happens when you drop a piece of the effervescent tablet into water?

• It changes the color of the water

• It dissolves and releases carbon dioxide gas

• It sinks to the bottom without any reaction

• It mixes with oil to form bubbles

Why does oil float on top of water in the lava lamp experiment?

• Oil is heavier than water

• Oil is denser than water

• Oil is less dense than water

• Oil and water chemically react

What is the purpose of adding glitter to the lava lamp?

• To change the color of the water

• To help visualize the separation of oil and water

• To make the oil dissolve in water

• To increase the density of the water

How much food coloring is needed to color the water?

• A very small amount

• A large amount to ensure vibrant color

• None, as the water is already colored

• Enough to make the water opaque

What is the correct order of layering materials in the lava lamp?

• Oil, regular water, colored water

• Colored water, oil, regular water

• Regular water, oil, colored water

• Oil, colored water, regular water

What happens when the effervescent tablet is added to the layered materials?

• It changes the color of the oil

• It dissolves in the oil without any reaction

• It sinks through the oil and reacts with the water

• It reacts with the oil to create bubbles

What do the gas bubbles do as they rise through the liquid?

• They dissolve in the oil

• They remain at the bottom

• They carry colored water with them

• They change the density of the oil

What happens to the colored water when the gas bubble escapes at the top?

• It falls back down

• It stays at the top

• It evaporates

• It mixes with the oil

What is a suggested way to enhance the visual effect of the lava lamp?

• Add more oil

• Use a larger bottle

• Use a torch or lamp behind it in the dark

• Increase the amount of glitter