Leverage - mechanical advantage gained by using a lever (or pair of them).
Yes you can find a bottle opener at any department store,and kitchen maid makes a jar opener.
· jam · jar · jar opener · java · juicer
A faucet handle and jar lid are simple machines.
An Electric Jar opener works by having the lid grabbed by the top of the opener after the jar has been secured tightly by the bottom of the jar opener. After it has grabbed the top of the jar it applies pressure and is able to open the jar properly.
Cut up rubber drawer liner.
Juicer Jello mold Jar opener Jamonera Jug Jar Julienne peeler Jelly Roll pan
jar, jello mold, jar opener, juicer, java (coffee), jewelry box
Jam, jelly, juice, jalapeno peppers, jambalaya, jars, jerk seasonings, jerky chicken or beef, and jumping children!
Samuel Herbert Fisher has written: 'Jam Jar Science' 'The weather book' -- subject(s): Weather 'Jam-jar science'
my giant penis in your peanutbutter jar
Don't no wat they r :)
I guess the hypothesis would be that you can make a tornado in a jar. This isn't a very good "science project" because while you're making something that may look interesting there isn't a whole lot of "science" you can do with it.