Level: 2
Requirements
- Define the following:
- Elements
- Compounds
- Chemical Symbols
- Solutions
- Atoms
- Molecules
- Periodic table
- Combustion
- Acid
- Salt
- Proton
- Neutron
- Electron
- Distillation
- Fractional Distillation
- Filtration
- What gasses extinguish life, and how? Explain the principle of one kind of chemical fire extinguisher.
- Name two common sources of carbon monoxide. Why is it dangerous?
- What are the states of matter?
- Do five of the following, and explain the chemical action that takes place:
- Try to light a sugar cube, first without and then with some ash applied to the cube, thus showing the action of a catalyst.
- Place an ice cube in a glass of water, place a four inch string on top of the glass and ice, then solve the problem of taking the ice cube out of the water without touching it.
- With the use of water, turpentine, and soap, transfer a newspaper picture to a blank sheet of paper.
- With the use of a candle and a piece of cardboard, demonstrate visually the three parts of a candle flame.
- With the use of a bowI of water, wooden matchsticks, a lump of sugar, and some soap, demonstrate the action of sugar and soap on the floating matchsticks.
- Place a fresh egg in fresh water and then salt water, noting the difference.
- Demonstrate that rust uses up oxygen with the use of steel wool, a pencil, a rubber band, a water glass, and a dish of water.
- Demonstrate the colors produced when the following are burned: salt, copper, sulfate, and boric acid.
- Make an invisible ink.
- Show that washing soda or sodium carbonate contains water.
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