Science - Chemistry
Students will understand that in chemical reactions matter and energy change forms, but the amounts of matter and energy do not change.
Analyze evidence for the laws of conservation of mass and conservation of energy in chemical reactions.
Hot and Cold
Students study the energy associated with physical and chemical changes. The activity consists of observing nine phenomena.
Hotter All the TIme
Students will establish the degree of temperature change for a reaction and then change the concentration of one reactant.
Incomplete Combustion: Chemistry of Air Pollution
Students will design and carry out a class experiment comparing the emissions of a diesel and gasoline car then use chemical equations and molar proportions to see why larger molecules are more difficult to burn completely.
Students will use legos or other models of atoms to create molecules.
Students will design an experiment that enables them to decide which metals will displace each other from solution and displace hydrogen from an acid.
Reactions in a Battery
With this inquiry experiment students will design their own batteries and learn about why batteries work.
Students will relate the making of s'mores to limiting reagents and theoretical and actual yields.
Students will perform a lab to observe a chemical reaction. One reactant is weighed and one product is isolated, allowing students to determine both a theoretical mole ratio (using stoichiometry) and an experimental mole ratio.
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