Santa Monica College
Single and Double Displacement Reactions
If you aren't part of the solution, you are part of the precipitate! Young chemists learn about single and double displacement reactions including precipitation reactions, neutralization reactions, and gas forming reactions. They perform...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure and...
Royal Society of Chemistry
Halide Ion Tests
Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...
Curated OER
A Very Simple Conductivity Meter
Learners conduct a simple conductivity meter to test the ionic or non-ionic nature of water samples including one from their home.
Curated OER
Chemistry Worksheet 4
In this chemistry instructional activity, students determine the pH of a buffer solution to several problems given. Students write a balanced ionic equation for several aqueous solutions.
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.
Normal Community High School
Mole Calculations
You didn't know you'd find moles in chemistry class! Through the introduction of moles and molar volume at STP, classes see how to calculate moles using a given chemical equation. The presentation includes a short review of ions in...
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problem II
Textbook problems with a twist! Young chemists analyze an ionic reaction to identify the limiting reagent. They then make calculations to determine the concentration of unknown solutions. Finally, they put their work to the test and...
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative lesson demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations on their...
Normal Community High School
Golf Ball Lab
The first golf balls were made of wood and would only last for a few games. Modern golf balls last a lot longer but they don't float. The presentation provides the directions for a lab to determine the minimum amount of salt needed to...
Curated OER
How is the Strength of an Acid Determined?
Students study acids and how they can be measured. In this acid activity students distinguish the properties that create strong and weak electrolytes.Â
Curated OER
Salts
In this salts learning exercise, learners compare acids and bases and how salts are formed in the neutralization reaction between acids and bases. Students rank salts in order of increasing pH. This learning exercise has 8 problems to...
Curated OER
Chemical Bonding and Shapes of Molecules
In this chemical bonding worksheet, students review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.
Curated OER
Water - the (Nearly) Universal Solvent
For this solvent worksheet, learners explore why water is considered a universal solvent. Students explore what can change dissolving rates. This worksheet has 8 matching, 3 short answer, 11 fill in the blank, and 4 problems to solve.
Curated OER
Molar Solubility
In this molar solubility worksheet, students calculate the equilibrium constant when given the molar solubility of a chemical compound and calculate the molar solubility of a compounds at a given equilibrium constant. This worksheet has...
Curated OER
Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
Curated OER
Acid, Base, or Salt?
For this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...
Biology Junction
Chemistry
You matter—unless you multiply yourself by the speed of light squared, then you energy! Scholars learn about matter, energy, the elements and so much more using an informative presentation. Completing the included worksheet creates a...
American Chemical Society
Why Does Water Dissolve Salt?
Individuals explore solubility by modeling how water dissolves salts. They then view a video and compare how well water and alcohol dissolve salts, relating their comparisons to the structure of each molecule.Â
Curated OER
Water Quality
In this water worksheet, students determine the factors that effect the solubility of gases, calculate the percent concentration of solutions, and give the balanced chemical equation for photosynthesis. This worksheet has 18 short answer...
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students solve 16 exercises by writing and balancing chemical reactions. They calculate the concentration of various solutions.
Curated OER
Precipitate Lab
This lab guide gets chemistry students 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 for...
Curated OER
Crystallization
Eighth graders analyze physical change in mass. In this chemistry activity, 8th graders describe, measure and calculate the amount of physical change occurring in mass before and after the change. Students should be familiar with...
Curated OER
WS 10.7 pH and pOH
In this acid and base worksheet, students answer questions about calculating the pH and pOH of solutions. They complete a table given hydronium ion concentrations, hydroxide ion concentrations, the pH or the pOH and they find the missing...