A gram is a standard unit of measurement. It is a word used to describe the mass of an object. You record the mass of light objects in grams. One way to measure the mass of objects is to use ...

They would have a mass of 1,000g. When the mass of an object is heavier than 999g, we use another type of measurement. Working with numbers in the thousands would become difficult, so we use ...

Earth Day happens every year on April 22nd to raise awareness of environmental concerns. The first Earth Day was held in 1970. It’s now a popular hook for schools to use to have conversations with ...