When cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together. This results in movement down the thermometer. Students will look closely at the ...

Thermometers are everywhere and many people don’t realize how often they use a thermometer. You may see one on a bank sign, on the oven, at the doctor’s office when you are sick or inside your ...

To make its thermometers the US team used normally colourless ionic liquids coloured red with an IL-dye. This made the liquid level easily visible without affecting the linear relationship between ...