Elemental Tale Notes Make-up

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Concept Development

  1. A clear liquid in an open container is allowed to evaporate. After three days a solid residue is left. Was the original liquid an element, compound, or mixture? Explain.
  2. Indicate whether the following are physical changes or chemical changes.
    1. Smashing a can.
    2. Burning a marshmallow.
    3. Dissolving sugar in water.
    4. The explosion of a bomb.
  1. Indicate whether the following are homogeneous or heterogeneous.
    1. Soil
    2. Iron
    3. Milk
    4. Glass
    5. Table sugar
    6. Sulfur
    7. River water
    8. Cough syrup
    9. Grape juice
    10. Nitrogen

Physical Properties
  1. Give at least three physical properties for the following.
    1. silver
    2. helium
    3. oxygen
    4. silicon
    5. calcium
  1. What are the five evidences of a chemical reaction?

Periodic Table

 Complete the periodic table activities found here.