An introduction to the measurement of large objects such as a blue whale ... A blue whale is equivalent in weight to 25 elephants and weighs 170,000 kilograms. Students could apply a similar ...

You can use grams to measure the weight of light objects and kilograms to measure the weight of heavy objects. 1 kilogram (1kg) = 1000 grams (1000g) Let's have a look at how you might measure some ...