Chemistry Collective
Virtual Lab: Stoichiometry and Solution Preparation Problem
Wow your classes with lesson that has a little of this and a little of that! Young chemists test their stoichiometry skills using a virtual laboratory setup. Using reaction information, they work to create a chemical reaction in which...
American Chemical Society
Carbon Dioxide Can Make a Solution Acidic
Can your breath change the acidity in a liquid? A lesson begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research how this...
Kenan Fellows
Solutions
Scientists require specific chemical solutions for their experiments. In the seventh and final installment in a series that integrates chemistry and algebra II, scholars learn to set up a system of equations to solve the volume of a...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...
Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Curated OER
2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
National Wildlife Federation
Climate Solutions – A Call to Action!
The final lesson in the 21-part series on climate change focuses on energy solutions to the consumption problem. Using data specific to their school, pupils make recommendations, follow up on actions, and carefully track progress....
Curated OER
Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
California Academy of Science
Fresh Solutions: Design Thinking Challenge
How do people transport fresh water long distances to ensure everyone has access to it? The final activity in the 10-part Fresh Solutions unit encourages individuals to design their own solution, or solutions, to that very problem....
Curated OER
Balancing Redox Reactions in Acidic and Basic Solutions
Five acidic and five basic solutions are listed for your chemistry apprentices to review. For each, they must state which atom or ion is being oxidized or reduced, and then name the oxidizing or reducing agent. Finally, they balance each...
WE Charity
High School–Module 5: Transportation Solutions
Planes, trains, and automobiles ... the abundance of today's transportation options comes at a hefty price. Using the fifth and final lesson plan from the WE Are Innovators—High School Modules set, pupils explore how modern...
WE Charity
Elementary–Module 5: Transportation Solutions
How does transportation affect the environment? Using the fifth and final activity from the WE Are Innovators—Elementary Modules series, scholars explore sustainable transportation. Pupils work in small groups to create innovative...
Curated OER
Mixtures
Students observe that movement of a solute in the solvent increases the rate of dissolution. They demonstrate that when the solute is broken into smaller pieces it dissolves faster.
Curated OER
Diffusion through Membranes
Pupils identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the rate...
Curated OER
Sugar in Tea
Little chemists address whether or not you can get sugar back out of tea after it has dissolved. The PowerPoint itself simply walks them through the questioning process, considering different possibilities. The final slide settles on...
Teach Engineering
A Simple Solution for the Circus
Class members are challenged to design a device that will move a circus elephant into a train car. Groups brainstorm ideas that use simple machines to load the elephant. They then choose one of their ideas, sketch a plan, and present it...
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
Dissolving: Learning About Solutes and Solvents
You can use these hands on activities to teach students about solutes, solvents, and solutions.
Curated OER
Concern + Action = Clean Air Solutions
Students participate in a service project about improving air quality. In this air quality lesson, students understand the problems and solutions for improvement of air quality issues. Students discuss and choose an air quality service...
Curated OER
Mixtures
Students experiment with solutions. In this mixtures and solutions science lesson, students work in groups of three to perform an experiment. Students place a sugar cube in three glasses, and observe and record the different rates...
Curated OER
Reactions in Aqueous Solutions
In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.
Curated OER
WorldWatcher Activity: Using Data to Investigate Issues and Solutions
Students use the WorldWatcher program to identify the issues affecting their country they have been using for these activities. In groups, they identify each issue and identify the solution or develop their own. They present their...