Lava Lamp Experiment

Lava Lantern Science experiement

Presented by: Fabián Paz

This is an index

1. Purpose

4. Steps

7. Bibliography

2. Hypothesis

7. Thanks

5. Outcomes

6. Conclusions

3. Materials

Purpose of the experiment ...

• To demonstrate the concept of density and the relationship between density and buoyancy.
• To demonstrate how different liquids do not mix together and can create interesting patterns when heated and cooled.

Hypothesis

When we mix oil, water, and food coloring in a clear jar and heat it up, the oil will move to the top because it gets bigger and lighter when it gets hot. When it cools down, the oil will sink back down because it gets smaller and heavier. When we add an Alka-Seltzer tablet to the jar, bubbles will form and push the colored water up. When the bubbles burst, the colored water will sink back down, making the jar look like a lava lamp.

Materials

• Clear glass container or jar
• Water
• Vegetable oil
• Alka-Seltzer tablets
• Food coloring
• Small flashlight (optional)

Materials

Steps

Step 1

step 3

step 2

Fill the jar 1/4 of the way with water.

Add a few drops of food coloring to the water.

Add vegetable oil to the jar until it's almost full, leaving some space at the top.

Steps

step 4

step 6

step 5

Watch the oil and water separate into two layers.

Add an Alka-Seltzer tablet to the jar and observe what happens.

Turn on a small flashlight and shine it through the jar to enhance the lava lamp effect.

Outcomes

Outcomes

When you mix oil and water together, they don't mix because the oil is lighter than water. When you heat the mixture, the oil rises to the top because it gets even lighter. When it cools down, the oil sinks back down because it gets heavier.

Outcomes

This experiment is a fun way to learn about things like why things float or sink, and how chemicals can make bubbles. Anyone can do it and learn something new!

If you add an Alka-Seltzer tablet to the mixture, it makes bubbles that stick to the colored water blobs. These bubbles make the blobs rise to the top like a lava lamp. When the bubbles pop, the blobs sink back down. You can make it even cooler by shining a flashlight through the jar.

Conclusions

The experiment shows how different liquids behave when they are mixed together and how chemical reactions can create interesting patterns.

When oil is heated, it expands and becomes less dense, causing it to rise to the top. When it cools down, it contracts and becomes more dense, causing it to sink back down.

Oil and water don't mix because they have different densities.

Alka-Seltzer tablets react with water to produce gas bubbles. These bubbles attach to the colored water and cause it to rise to the top of the jar, creating a lava lamp effect.

This is a fun and educational experiment that can teach kids about density, buoyancy, and chemical reactions.

Bibliography

Super Cool Lava Lamp Experiment for Kidshttps://funlearningforkids.com/super-cool-lava-lamp-experiment/

Thank you!