Liquid water drips into a beaker. Every pure substance has its own particular melting point and boiling point. One way to check the purity of the separated liquid is to measure its boiling point.

The initial temperature is that measured in the boiling water. The final temperature of the metal is that measured in the cooling beaker. To Conduct Demonstration Bring an 800mL beaker of water to ...

A candle appears to be underwater by superimposing the transmitted light from the beaker with the reflected light from a candle. A pane of glass between the candle and the beaker acts as both the ...