5 Written questions
5 Matching questions
- law of conservation of mass
- a that which has mass and occupies space.(everything in the world has this)
- b a measure of how hot or cold something is
- c is a substance that takes a shape of it contaner.
- d a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
- e the smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons.
5 Multiple choice questions
- on the right
- any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
- of definite shape and volume
- a body of matter without definite shape
- any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
5 True/False questions
reactants → a molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions.
density → the amount per unit size
gas → a body of matter without definite shape
chemical change → a change that produces matter with a different composition than the original matter
mixtures → made of two or more substances (elements, compounds, or both) that are combined