5 Written questions
5 Matching questions
- law of conservation of mass
- a a measure of how hot or cold something is
- b 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
- c a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
- d a molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions.
- 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
- a body of matter without definite shape
- the amount per unit size
- is a substance that takes a shape of it contaner.
- a table of elements
- on the left
5 True/False questions
chemical change → a change from one state (solid or liquid or gas) to another without a change in chemical composition
solid → 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
compounds → on the left
base → the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity
mixtures → made of two or more substances (elements, compounds, or both) that are combined