Sunil is doing an experiment. He wants to know which material is best for keeping warm.He is testing feathers, wool and fur.He is measuring the temperature. What is he using?

In science you have to look very carefully when investigating. You also have to count things and write down your results. Also, you have to take measurements with instruments. You might measure the temperature using a thermometer, or weigh something using scales. All these measurements you get from the instruments have to be written down and recorded. This quiz is all about counting and measuring when you are investigating.