By size I mean weight so what I would like to do if for example find there weight in kilograms and covert it to grams so that they all have the same unit which is grams All I need is there to be conversion of there sizes for it to be all in the same unit I hope this makes it more clear I really can’t make it more clear than that This is a simple question Please answer it Thank you

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.