Build Your Own Lava Lamp

Density is the measurement of how compact a substance is how much of it fits in a certain amount of space.

Build your own lava lamp.

Make your own lava lamp. Oil and water just do not mix. A lava lamp works because of two different scientific principles density and polarity. The oil floats on the surface because the water is heavier has a higher density than oil.

Then add some salt to the bottle or an effervescent tablet so the mixture starts fizzing. Make an alka seltzer powered lava lamp from science buddies make your own lava lamp from science buddies create underwater fireworks with chemistry from scientific american. Fizzy tablet alka seltzer vitamin tablet or similar food colouring colour of your choice. Fill the rest with water leaving a little of space at the top.

Break open an oil soluble marker or pen and place the inked felt into a container of benzyl alcohol. Watch what happens to the water with your kids. The key to how the lava lamp works is the fact that oil and water don t mix. It will sink slowly beneath the oil layer creating lots of bubbles.

Make your own lava lamp. Our weekend was filled with long days in the sun four wheeler rides family meals bike riding and bubbles. Make your own lava lamp instructions. Whether two liquids mix depends on the interactions between their molecules and also their freedom to move around the stronger the attractive forces and the greater the possibilities of movement the more likely they are to mix.

As the reaction slows down simply add more alka seltzer. Did everyone enjoy mother s day weekend. Chemistry gets a disco twist in this fun experiment using every day kitchen ingredients. Make your own lava lamp.

Fill the bottle two thirds full of oil. Then add water until there s around an inch remaining at the top. I know i ve been complaining about the weather the past couple months but this weekend was absolutely beautiful. Try some funky science with our lava lamp experiment.

Notice that the water sinks below the vegetable oil. A few minutes is usually a good time to leave the inked felt in the alcohol. How to make the lava lamp. To make a lava lamp with household ingredients start by pouring vegetable oil water and food coloring into a plastic bottle.