Fill in the table by categorizing each substance as a pure substance or a mixture then determine if it is a compound, element, homogeneous mixture, or heterogeneous mixture. Material
Pure Substance
or Mixture
Name:_______________
Date:__________
Element, Compound,
Homogeneous, Heterogeneous
concrete
sugar + pure water
(C12H22O11 + H2O)
iron filings (Fe)
limestone (CaCO3)
orange juice (w/pulp)
Pacific Ocean
air inside a balloon
aluminum (Al)
magnesium (Mg)
acetylene (C2H2)
tap water in a glass
soil
pure water (H2O)
chromium (Cr)
Chex mix
salt + pure water
(NaCl + H2O)
benzene (C6H6)
muddy water
brass
(Cu mixed with Zn)
baking soda (NaHCO3)
Identify the following as physical or chemical changes
1. You cut your hair. _______ 2. Making a peanut, pretzel and cereal mixture. _______ 3. Baking soda reacts with vinegar and forms a gas. _______ 4. A piece of metal is bent in half. _______ 5. An aspirin is crushed into fine powder. _______ 6. Copper turns green when exposed to the environment. _______ 7. Two clear liquids are mixed and a yellow color forms. _______ 8. Baking cookies. _______ 9. Diamonds are used to scratch glass. _______ 10. A tree burns to form ashes. _______ 11. A piece of paper is crumpled up. _______ 12. Water freezes to form ice. _______ 13. A candle burning. _______ 14. A candle melting. _______
Complete the following metric conversions
1. 2576 mg = _______ g 2. 5.68 Gigabytes = _______ Megabytes 3. 16.67 cm = _______ mm 4. 104.8 km = _______ m 5. 19.8 g = _______ kg 6. 2567.98 Tm = _______ Dm 7. 44.78 cm = _____ m 8. 0.5675 mL = _____ L 9. 65.67 g = _____ mg 10. 5.668 kg = _____ g 11. 857.50 cm = _____ m 12. 586.379 cm = _____ mm 13. 8.687 mm = _____ cm 14. 567.6 m = _____ cm 15. 1278.978 mg = _____ g