The alcohol and oil used in this lamp are flammable and must be treated with care when heating them to get the lava moving.
Build your own lava lamp online.
Your kids will have fun making them and they will be getting a science lesson.
Here is some science vocabulary worth knowing for this.
Lava lamps are both mesmerising and beautiful to look at and in this daily dose we re going to make our own.
Fill the bottle two thirds full of oil.
Lava lamps demonstrate liquid density which is the phenomenon where less dense liquids float atop more dense liquids.
Add tip ask question comment download.
Then add water until there s around an inch remaining at the top.
Add tip ask question comment download.
Today i m going to show you how to make your very own lava lamp with just a few simple ingredients.
Make your own lava lamp.
Watch what happens to the water with your kids.
Make this lamp only with adult supervision.
Children should show an adult these instructions and ask for help and not attempt this on their own.
This activity is interesting because rising gas bubbles carry big drops.
It will sink slowly beneath the oil layer creating lots of bubbles.
When the bubbles have stopped dribble a couple drops of food coloring into the bottle.
Now your kids can make their own lava lamps with common household items and a staple from your bathroom cabinet.
Commercial lava lamps use a proprietary combination of melted waxes.
To view written instructions for this project see the make an alka seltzer powered lava lamp page at science buddies.
I ll show you two different ways to make your la.