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Homemade Lava lamp

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David techclockcpu

on 10 June 2015

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Transcript of Homemade Lava lamp

Background Research
My plan for this experiment was to pour the olive oil 3/4 of the bottle then add water 1/4 of the bottle to the 32 once glass bottle. Then I added about 30 drops and waited for some of the food dye to sink to the bottom. That is when I added the 2 alka seltzer tablets.
I mixed the water and oil and started to create bubbles and the food coloring didn't just dye the whole entire liter bottle green it colored in the bubbles. Once I added the alka seltzer tablet to the lava lamp. It started to explode and I forgot to put the cap on, so half of the lava lamp was gone and all over the floor and table.
The reason why I chose this experiment is to show why heavier objects like a rock sinks and lighter objects like a balloon floats.
The point of this experiment is to observe the reaction between an acid and a base. Also to learn the relationship between oil and water in terms of density.
Why does the heavier liquids sink to the bottom and the lighter liquids float to the top? How come oil and water creates a chemical reaction (bubble)?
Answer: Oil and water creates bubbles and floats to the top because it is the lightest liquid. The heavier liquids like the food dye sinks to the bottom because liquids that a have a larger mass fall to the bottom. The liquids that have a lower mass than the other liquid, float to the top.
A clean, clear glass soda bottle with cap or a liter bottle
Olive oil
1 Aka- seltzer tablet for a 16 oz soda bottle and 2 tablets for a liter bottle
Food coloring at any color you want
1.Pour water into the plastic bottle until it is around one quarter full (you might want to use a funnel when filling the bottle so you don't spill anything).
2. Pour in vegetable oil or olive oil until the bottle is nearly full.
3. Wait until the oil and water have separated.
4. Add around a dozen drops of food coloring to the bottle (choose any color you like).
5. Watch as the food coloring falls through the oil and mixes with the water.
6. Cut an Alka-Seltzer tablet into smaller pieces (around 5 or 6) and drop one of them into the bottle, things should start getting a little crazy, just like a real lava lamp!
7. When the bubbling stops, add another piece of Alka-Seltzer and enjoy the show!

Homemade Lava lamp
By Aaron Wong
For my science experiment I decided to make a homemade lava lamp. These lava lamps were popular back in the 80's. It may sound boring but it is very interesting. For my lava lamp I used oil, water, a clear glass bottle, food coloring and an alka-seltzer tablet.
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