Homemade Barometer With Water
When the air pressure rises the water level.
Homemade barometer with water. The homemade barometer part 2 how to make a torricellian barometer. The air pressure around us greatly affects our weather. Tape the ruler down then tape clean tubing above it. Make your own water barometer or weather glass.
Next suck water halfway into the tubing seal the tubing and mark the water line on the outside of the bottle. Be a backyard meteorologist with your own homemade barometer and make weather forecasts like the pros. Fill the jar with just enough water to come up over the mouth of the bottle by an inch or so. Materials needed for your homemade barometer.
Add a few drops of food coloring to water then fill the bottle up halfway. A glass jar best or a large metal tin container like an empty and cleaned large can of baked beans with straight sides and a wide topmouth. Wash bottle and jar wash a 12 ounce clear glass bottle that has a straight neck and an 18 ounce clear glass jar making sure to remove any labels. If you have read about how evangelista torricelli invented the barometer in 1643 youve probably realized that his methods could be easily repeated as indeed they were in school science labs the world over.
This is an easy project and would make a great science experiment. The homemade barometer part 3. Assemble the barometer by first placing the bottle inside the jar in an inverted position. In part 2 of this series on how to make a barometeryoull find how to make a barometer actually two barometersin much the same way that evangelista torricelli did whenhe invented the barometer in 1643.