Objectives
Students will:
- Describe how solubility and surface tension relate to the forces between the particles of a substance.
- Plan and conduct an investigation to gather evidence about the solubility or surface tension of a substance and relate it to the forces between particles of the substance.
Skills Needed
Students must be able to:
- Describe the difference between ionic and covalent bonds.
- Explain what electronegativity means and how it is used to determine the type of bond that will form between two atoms.
Materials Needed
Students will need:
- a way to measure amounts (measuring cups, spoons)
- a way to measure temperature (meat or candy thermometers)
- cups, bowls, or plates to hold substances
- common substances found in the kitchen such as pepper, salt, sugar, oil, milk, or dish detergent
- other common household substances such as hairspray, cleaners, toothpaste, or rubbing alcohol
