Curated OER
Equilibria 2
In this equilibria worksheet, high schoolers answer 6 multi-step questions which pertain to molar solubility and equilibrium expressions.
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Curated OER
Laboratory: Ionic Compound Solubility
In this solubility worksheet, students answer post activity questions about the lab work they completed with ionic compounds. They write sentences about solubility of cations from their lab work. They write chemical reactions for their...
Curated OER
A Solution for Precipitation
Students predict the product of chemical reaction using the solubility rules. In this chemistry lesson, students balance ionic equation. They perform a lab to check if their predicted products are correct.
Curated OER
Qualitative Analysis and Ksp Calculations
In this compounds worksheet, pupils determine which anion is present in solution from the results of testing with various reagents. Students compare the solubility of different compounds in water. This worksheet has 7 fill in the blank...
Curated OER
Chemquest: Physical Changes or Chemical Reactions
Students explore physical and chemical changes. In this chemistry lesson plan, students will go outside to observe changes seen in nature. Students will then work in the lab to identify changes at different stations prior to doing a...
Curated OER
Micro-Magic With Sticky Ions
Young scholars view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.
Curated OER
The Six Solution Problem
Students work on The Six Solution Problem, which is a logic problem assuming that the student knows some basic reactions and solubility rules.
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Young scholars participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
Chemical Word Equations
In this chemical reaction worksheet, students write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.
Curated OER
Soil pH Effect on Germination of Specific Weeds
Learners collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile soil,...
Curated OER
Solution Chemistry Investigation
Students engage in a lesson plan that is concerned with the concepts related to solution chemistry. They calculate the molar mass of various chemical compounds. Then students predict the anion ratio for ionic compounds. Students also...
Curated OER
Extraction of DNA from White Onion
Students investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.