Learn that chemical changes produce an entirely new type of matter and that a chemical change is not easily reversed
Physical and chemical properties are how we identify matter by how it looks and feels and reacts with other matter.
Students will know that matter is anything that takes up space, has mass, and has properties that you can observe and describe. Elements are pure substances that are often called the "building blocks" of matter. They are made of atoms of matter. All matter has mass (the amount of matter in an object), volume (the amount of space an object takes up),...