Curated OER
Testing for Chemicals in Soils
Students use sight, touch and chemical test kits to evaluate and classify soil types. They determine the organic content, soil pH, conduct visual analysis and nutrient tests of a variety of soil samples from various sources.
Curated OER
What Influences Reaction Rate?
Students study reaction rates, what determines how fast a reaction happens and how the chemical changes occur. In this reactions instructional activity students complete a lab where they use Alka-Seltzer to observe reaction rate and...
Curated OER
Behavior Of Substances At Different Temperatures
Fourth graders are involved in a lab experience to look at the concept of heating up various materials to see how they react to an increase in temperature. They make observations and record them in a lab journal. Then students discuss...
Curated OER
How Water Heats Up
Fourth graders conduct experiments heating water. In this inquiry-based early chemistry lesson, 4th graders use the materials given to experiment with the process of heating water. Students draw conclusions based upon their findings...
Curated OER
Acids, Alkalis, and Salts
In this acids worksheet, high schoolers review the definition of acids, bases, and salts. Students describe the differences between acids and alkalis and define neutralization. This worksheet has 2 short answer and 1 problem to solve.
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