Mass and Moles Worksheet
An introductory worksheet for 6th graders on the concepts of mass, atoms, molecules, and the basics of moles in chemistry.
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Mass and Moles Introduction
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Read each question carefully and answer to the best of your ability. Use your knowledge of mass, atoms, and molecules to help you.
1. What is the smallest unit of matter that retains an element's chemical identity?
Molecule
Atom
Compound
Mixture
2. The amount of 'stuff' in an object is called its .
3. A group of two or more atoms held together by chemical bonds is called a .
4. Explain the difference between an atom and a molecule. Give an example of each.
5. The mass of an object changes depending on its location (e.g., on Earth vs. on the Moon).
True
False
Use the words below to complete the sentences.
6. All matter is made up of tiny particles called .
7. Different types of atoms are called .
8. A is a unit used to count a very large number of atoms or molecules.