Then add water until there s around an inch remaining at the top.
Build your own lava lamp online.
Make your own lava lamp.
Today i m going to show you how to make your very own lava lamp with just a few simple ingredients.
Watch what happens to the water with your kids.
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To view written instructions for this project see the make an alka seltzer powered lava lamp page at science buddies.
Children should show an adult these instructions and ask for help and not attempt this on their own.
Lava lamps are both mesmerising and beautiful to look at and in this daily dose we re going to make our own.
The alcohol and oil used in this lamp are flammable and must be treated with care when heating them to get the lava moving.
I ll show you two different ways to make your la.
It will sink slowly beneath the oil layer creating lots of bubbles.
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Make this lamp only with adult supervision.
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.
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.
Put on some jimi hendrix and get to work.
When the bubbles have stopped dribble a couple drops of food coloring into the bottle.
Grab a clean plastic or glass container from your recycle bin.
This activity is interesting because rising gas bubbles carry big drops.