Curated OER
Activity #15 The Snowy Christmas Tree
Middle schoolers weigh out the proper amount of silver nitrate and prepare the silver nitrate solution. They observe what occurs when pure copper is added to silver nitrate solution. Pupils determine whether the change in the appearance...
Curated OER
Writing Complete Equations Worksheet
In this chemistry worksheet, students write in the correct equations in accordance to solving the word problems. The answers are on page 2.
Curated OER
Ranking Salinity
Students explain the uses of titration in chemistry and in industry. In this chemistry lesson, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline solutions.
Curated OER
Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
Curated OER
AP Chemistry-Solution Chemistry Practice Problems
In this solutions worksheet, students solve fifteen problems including finding molar concentrations, writing net ionic equations, determining molarity of solutions, identifying oxidized and reduced agents and finding mass percent of...
Curated OER
Chapter 13 Review, Section 1: Ions in Aqueous Solutions and Colligative Properties
This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...
Curated OER
Conservation During Chemical Reactions
In this chemical reaction worksheet, students are given the details of an experiment where sodium chloride and silver nitrate are mixed in a chemical reaction. Students answer nine questions about the chemical reaction, they determine...
Curated OER
Precipitate Lab
This lab guide gets chemistry high schoolers to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations...
Curated OER
Chemical Equations
In this chemical equations worksheet, students are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
Curated OER
Chemical Equilibrium
Middle schoolers explore Le Chatelier's Principle. In this lesson about chemical equilibrium, students do an experiment with several different activities . Middle schoolers observe as they do the experiments and understand the outcome....
Curated OER
Activity #5 Soils-Permeability and Impurity Removal
Middle schoolers predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and...
Pingry School
Solubility Product of an Ionic Compound
How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...
University of Southern California
Mastering Microbes
Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging lesson asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.
Curated OER
Chemical Word Equations
In this chemical reaction worksheet, young scholars write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.
Curated OER
Chemical Reactions
In this writing chemical reactions instructional activity, students solve 15 problems on their own paper using a 3 step-problem solving approach. In addition, students write six balanced equations and classify each reaction. They also...
Curated OER
The Chemical Detective
For this chemical detectives worksheet, high schoolers perform 6 tests on various unknown solutions including a test for chloride ion, sulphate ions, carbonate ions, iron (III) ions, iron (II) ions and copper (II) ions. Students record...
Curated OER
Observing the Effect of a Change in Conditions on a System at Equilibrium by Applying Le Chatelier's Principle
Young scholars describe the Le Chatelier Principle. They participate in an experiment in which they observe the changes in an equilibrium system. They answer discussion questions to end the lesson.
Curated OER
Salts
In this salts worksheet, students read how salts are created and how different acids make different salts. This worksheet has 1 graphic organizer and 7 short answer questions.
Curated OER
Activity #5 Environmental Effects
Pupils explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
Curated OER
Making Ammonia - The Haber Process
In this fertilizer worksheet, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber came up with an efficient process. Students complete 10 short answer questions based on...
Curated OER
Exothermic and Endothermic Changes
Pupils define and identify endothermic/exothermic reactions. Using a series of experiments, they construct and interpret potential energy diagrams for their reactions.
It's About Time
More Chemical Changes
Generate entertainment by assisting students in creating multiple chemical changes during the course of small experiments integrated into one packed lesson. Individuals observe examples of chemical changes as they occur and gather data...
Herff Jones Education
Chemical Energy
Provide the class with a quick lesson on chemical energy as they are assisted in creating hot and cold packs to demonstrate energy transfer between objects. They observe the energy change in matter as it transforms and distinguish...