5 Written Questions

1. carbon, copper, zinc, aluminum
2. salt water, sugar water, coffee
3. left of the zigzag line in periodic table, shiny, malleable, ductile, good conductors of electric current, good conductors of thermal energy
4. a substance made up of two or more elements that are chemically combined
5. characteristic of a material that can be seen ex. density, thermal conductor, state of matter, size, shape

5 Matching Questions

1. molecule
2. soluble
3. suspension
4. compounds:examples
5. homogeneous mixture

1. a smallest part of a substance that has all the properties of that substance and contains 2 or more elements
2. b mixture of two materials or more that separate on standing( let it sit there for a while)
3. c able to dissolve
4. d substances in the mixture are evenly spread out- same throughout
5. e water H20, salt NaCl, carbon dioxide CO2

5 Multiple Choice Questions

1. salad dressing, orange juice, muddy water, snow globe
   1. elements:examples
   2. solutions:examples
   3. suspensions:examples
   4. colloids:examples
2. substance in which a solute dissolves
   1. solvent
   2. element
   3. soluble
   4. dissolve
3. right of the zigzag line in the periodic table, not malleable/ductile, not shiny, poor conductors
   1. molecule
   2. compound
   3. metals
   4. nonmetals
4. mixture in which the particles of one substance are evenly mixed with the particles of another substance
   1. solution
   2. solubility
   3. soluble
   4. colloid
5. any element or compound
   1. insoluble
   2. molecule
   3. physical change
   4. pure substance

5 True/False Questions

1. element → substance in which a solute dissolves

   True        False

2. heterogeneous mixture → substances in the mixture are evenly spread out- same throughout

   True        False

3. chemical property → characteristic of a substance that indicates whether it can make a chemical change like flamibility or reactivity with oxygen

   True        False

4. solubility → ability on one substance to dissolve in another at a given temperature

   True        False

5. mixture → two or more substances that are not chemically combined-they are physically combined

   True        False