1. Lab
NaCl
CaCl2
CuCl2

2. Element: a pure substance made of one kind of atom
Compound: 2 or more elements that combine to make something new
Mixture: 2 or more substances that are not chemically combined
Solution: a mixture of 2 or more substances that are equally dispersed
Solute: the substance that is dissolved

3. Solvent: the substance that does the dissolving
Concentration: the amount of a substance in a given amount in a solution or mixture
Solubility: the ability of one substance to dissolve another
Suspension: a mixture in which the particles are dispersed evenly but can settle to the bottom
Colloid: a mixture in which the particles are dispersed evenly but are too small to settle

4. ELEMENTS COMPOUNDS MIXTURES
Made of only one atom.
Made of only one molecule.
Made up of more than one molecule.
Cannot be broken down – by physical or chemical changes
Can be broken by chemical changes
Can be broken down by physical changes
Has the same properties throughout
Has different properties throughout

5. Try This
With your partner next to you, decide which of the following pictures is an element, a compound, or a mixture. (You will use one choice more than once)

6. Element, Compound, or Mixture?
Another fun science game

7. Element
Compound
Mixture
Jar of Change

8. Element
Compound
Mixture
Water

9. Element
Compound
Mixture
Sand

10. Element
Compound
Mixture

11. Element
Compound
Mixture
Chlorine

12. Element
Compound
Mixture

13. Element
Compound
Mixture
Sulfur

14. Element
Compound
Mixture
Salad