Leaving it in longer will give a darker color but will also increase the tendency to bleed into the brine.
Build your own lava lamp.
A lava lamp works because of two different scientific principles density and polarity.
To make a lava lamp with household ingredients start by pouring vegetable oil water and food coloring into a plastic bottle.
Did everyone enjoy mother s day weekend.
Make your own lava lamp.
A few minutes is usually a good time to leave the inked felt in the alcohol.
It will sink slowly beneath the oil layer creating lots of bubbles.
Fizzy tablet alka seltzer vitamin tablet or similar food colouring colour of your choice.
Make your own lava lamp.
Fill the rest with water leaving a little of space at the top.
Oil and water just do not mix.
Make your own lava lamp.
Break open an oil soluble marker or pen and place the inked felt into a container of benzyl alcohol.
Then add water until there s around an inch remaining at the top.
Watch what happens to the water with your kids.
Notice that the water sinks below the vegetable oil.
As the reaction slows down simply add more alka seltzer.
Make your own lava lamp instructions.
First fill the empty water bottle about 2 3 full with vegetable oil.
I know i ve been complaining about the weather the past couple months but this weekend was absolutely beautiful.
Fill the bottle two thirds full of oil.
Density is the measurement of how compact a substance is how much of it fits in a certain amount of space.
Then add some salt to the bottle or an effervescent tablet so the mixture starts fizzing.
The key to how the lava lamp works is the fact that oil and water don t mix.
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.
Try some funky science with our lava lamp experiment.
How to make the lava lamp.
Chemistry gets a disco twist in this fun experiment using every day kitchen ingredients.
The oil floats on the surface because the water is heavier has a higher density than oil.