1. Lesson 5.1.4 - Chemical Properties of Matter

    Lesson 5.1.4 - Chemical Properties of Matter

    278
    120
    356
  2. Chemical Change: Burning Steel Wool

    Chemical Change: Burning Steel Wool

    112
    42
    173
  3. Aluminum Foil Boat - Buoyancy Experiment

    Aluminum Foil Boat - Buoyancy Experiment

    65
    27
    132
  4. Elephant Toothpaste vs. Baking Soda & Vinegar

    Elephant Toothpaste vs. Baking Soda & Vinegar

    35
    11
    103
  5. Lesson 5.1.1 - What is Matter?

    Lesson 5.1.1 - What is Matter?

    33
    11
    57
  6. Exploding Balloons - Helium vs. Hydrogen

    Exploding Balloons - Helium vs. Hydrogen

    60
    19
    83
  7. Leakproof Bag - Physical Properties

    Leakproof Bag - Physical Properties

    47
    16
    67
  8. Lesson 5.1.3 - Physical Properties of Matter

    Lesson 5.1.3 - Physical Properties of Matter

    64
    24
    83
  9. Thermite: Oxidation and Chemical Change

    Thermite: Oxidation and Chemical Change

    100
    42
    171
  10. Lesson 4.1.1 - The Cycle of Day and Night

    Lesson 4.1.1 - The Cycle of Day and Night

    56
    22
    88
  11. Modeling Day and Night Cycles

    Modeling Day and Night Cycles

    27
    4
    55
    1
  12. Flammability of Lycopodium Powder

    Flammability of Lycopodium Powder

    33
    16
    51
  13. Snow Powder - Superabsorbent Polymers

    Snow Powder - Superabsorbent Polymers

    20
    4
    33
    1
  14. Lesson 5.1.5 - Changes in Matter

    Lesson 5.1.5 - Changes in Matter

    13
    5
    27
  15. Measuring Volume of Liquids and Solids

    Measuring Volume of Liquids and Solids

    7
    3
    16