Measuring tape: measures units of centimeters and meters or inches and feet (usually bigger things)
Ruler: measures in inches and centimeters
Thermometer: used to measure temperature in Celsius and Fahrenheit
Graduated cylinder: measures the volume of a liquid
Measuring cups: used to measure ingredients
Pan balance: uses a pan on either side to measure mass. The unit measured is the gram.
Dropper: moves small amounts of liquid
Hand lens: a magnifying glass that has one lens and a handle
Microscope: magnifies objects that are too tiny to be seen with the eye alone