具体描述
Explore the chemical changes of the world around us, from how rust forms to how a rocket is powered. Learn to identify chemical changes, how atoms join to form molecules and compounds, and the features of solids, liquids, and gases.
Explore the chemical changes of the world around us, from how rust forms to how a rocket is powered. Learn to identify chemical changes, how atoms join to form molecules and compounds, and the features of solids, liquids, and gases.
