Activity #11 – Classification of Matter
Name: _________________________ Grade & Section: _______________ Score: _______________
Part A. Classify each of the following as elements (E), compounds (C) or Mixtures (M). Write the letter X if it is
none of these.
__Diamond (C)
__Sugar (C6H12O6)
__Milk
__Air
__Sulfuric Acid (H2SO4)
__Gasoline
__Krypton (K)
__Bismuth (Bi)
__Uranium (U)
__Water (H2O)
__Alcohol (CH3OH)
__Pail of Garbage
_Ammonia (NH3)
__Salt (NaCl)
__Energy
__Wood
__Bronze
__Ink
__Dry Ice (CO2)
__Baking Soda (NaHCO3)
__Titanium (Ti)
__Iron (Fe)
__Popcorn
__Gold (Au)
__Electricity
__A dog
__Concrete
Part B. Match each diagram with its correct description. Diagrams will be used once.
A
B
C
D
E
__ Pure Element – only one type of atom present.
__ Mixture of two elements – two types of uncombined atoms present.
__ Pure compound – only one type of compound present.
__ Mixture of two compounds – two types of compounds present.
__ Mixture of a compound and an element.
Part C. Read each description and determine whether it is a pure substance or mixture. Then further classify
the matter (element, compound, homogeneous mixture, heterogeneous mixture)
Description
1. Chocolate syrup is added to milk and stirred
2. Copper metal (used to make wires)
3. Sand is added to water
4. Distilled water
5. Tap water
6. Diamond
7. Table sugar
8. Table sugar added to a cup of coffee and stirred
9. TANG orange powder is added to water
10. Coca-cola
11. Helium gas (used to inflate a balloon)
Pure Substance
or Mixture?
Classification?
12. Mercury metal (used in old thermometers)
13. Hydrogen gas (an explosive gas)
14. Trail mix (peanuts, pretzels and m&m's)
15. The air we breathe
Part D. For each solution, identify the solvent and solute.
1. Nash and angelika mixed some water and mango juice crystals to make a fruit drink.
(a) The solute is_________________________.
(b) The solvent is_________________________.
2. Teresa and Izzy swished sugar and water in their mouth after they ate an ampalaya.
(a) The solute is_________________________.
(b) The solvent is_________________________.
3. Yhandy, Cyron and Lia mixed some pebbles and water in their science experiment.
(a) The solute is_________________________.
(b) The solvent is_________________________.
4. Justin, Misty and Shera added a little sugar to their tea because it tasted bitter.
(a) The solute is__________________________.
(b) The solvent is__________________________.
5. Mei added a little salt in her water to make it her own version of mouthwash.
(a) The solute is__________________________.
(b) The solvent is__________________________.
Part E. Construct a diagram that visually organizes the classification of matter into Pure Substances and
Mixtures, including their subcategories with proper labels and connections.