Students will learn that matter can be
identified by observable and measurable
What distinguishes one substance
How well does one substance dissolve
Explain how a small number of naturally-occurring
elements can result in the large variety of substances
found in the world.
Identify compounds as substances consisting of
two or more elements chemically combined.
Create models of common compounds for the following:
water, carbon dioxide, salt, iron oxide, andammonia.
Compare and contrast properties of compounds to
those of the elements that compose them:
- salt:sodium, chlorine
- water:hydrogen, oxygen
- carbon dioxide:carbon, oxygen
Classify substances as: elements, compounds,
Demonstrate techniques for forming and separating:
mixtures, mixing, magnetic attraction, evaporation,
filtration, chromatography, settling.
Interpret solubility graphs.
Distinguish among solvent, solute,
Investigate the effect of variables on