- #1
mobb
- 11
- 0
Help Quick!
ok so i made a cheap thermometer this the manual to make the thermometer
1. Tap water
2. Rubbing alcohol (do not drink this)
3. Clear, narrow-necked plastic bottle (11-ounce water bottles work well)
4. Food coloring
5. Clear plastic drinking straw
6. Modeling clay
and this is my procedure
Pour equal parts of tap water and rubbing alcohol into the bottle, filling about 1/8 to a 1/4 of the bottle.
Add a couple of drops of food coloring and mix.
Put the straw in the bottle, but don't let the straw touch the bottom (DO NOT DRINK THE MIXTURE).
Use the modeling clay to seal the neck of the bottle, so the straw stays in place.
Now hold your hands on the bottle and watch what happens to the mixture in the bottle.
So what i used was food coloring ( for change of color), isopropyl rubbing compound ( for rubbing alcohol), normal modeling clay to seal the top, a normal straw and normal water out of the sink with a normal 11oz pop plastic bottle
For the 5-7 first days it worked but now it doesnt! so when i make the ''thermometer'' the food coloring does not go up the straw!, i tried it in front of my over, my heat and on the refrigerator nothing happens! it stays in the same place as the first time the substance is suppose to go up the straw if its hot or what not but nothing happens and i don't know what I am doing wrong because i placed the right measurements for alchool and water :S!
Help this is due on wednesday and i got a poster i also got to do for it
ok so i made a cheap thermometer this the manual to make the thermometer
1. Tap water
2. Rubbing alcohol (do not drink this)
3. Clear, narrow-necked plastic bottle (11-ounce water bottles work well)
4. Food coloring
5. Clear plastic drinking straw
6. Modeling clay
and this is my procedure
Pour equal parts of tap water and rubbing alcohol into the bottle, filling about 1/8 to a 1/4 of the bottle.
Add a couple of drops of food coloring and mix.
Put the straw in the bottle, but don't let the straw touch the bottom (DO NOT DRINK THE MIXTURE).
Use the modeling clay to seal the neck of the bottle, so the straw stays in place.
Now hold your hands on the bottle and watch what happens to the mixture in the bottle.
So what i used was food coloring ( for change of color), isopropyl rubbing compound ( for rubbing alcohol), normal modeling clay to seal the top, a normal straw and normal water out of the sink with a normal 11oz pop plastic bottle
For the 5-7 first days it worked but now it doesnt! so when i make the ''thermometer'' the food coloring does not go up the straw!, i tried it in front of my over, my heat and on the refrigerator nothing happens! it stays in the same place as the first time the substance is suppose to go up the straw if its hot or what not but nothing happens and i don't know what I am doing wrong because i placed the right measurements for alchool and water :S!
Help this is due on wednesday and i got a poster i also got to do for it
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