American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
National Institute of Open Schooling
Solutions
Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...
Concord Consortium
Micelles
Micelles consist of an aggregate of molecules in a colloidal solution. The simulation presents two different ways the molecules assemble into micelles based on the polarity of the solution in which they are placed. Scholars can set the...
Beyond Benign
Is It Easy Being Green Game Show
Is it possible to create an environmentally friendly shampoo? Learners accept this challenge in the fifth lesson in a green chemistry series of 24. The analysis of their shampoo ingredients must address pH, exothermic reactions, and...
Royal Society of Chemistry
State Symbols
When water is a solvent in a chemical equation, we consider it an aqueous solution. Scholars match the name of four states of matter to their proper symbol in a chemical equation. Four puzzles provide repetition to help pupils remember...
Curated OER
Mixtures
Young scholars 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
The Formation of Solutions
In this solutions worksheet, students compare situations that increase or decrease the solubility of a solute. Students describe how surface area, stirring, and temperature can increase the rate of dissolving a solute. This worksheet has...
Curated OER
Dilutions Worksheet
In this dilution worksheet, learners determine the final concentrations of solutions after a specific amount of water has been added. This worksheet has 4 problems to solve.
Curated OER
Chemistry
In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...
Curated OER
Matter in Solution
In this solutions worksheet, learners review types of solutions, concentration and saturation of solutions, and suspensions and colloids. This worksheet has 10 fill in the blank, 7 multiple choice, and 6 short answer questions.
Curated OER
Earth: The Water Planet
Students elicit data on the water cycle, ocean topography, and island formation in this six lesson unit. The ocean floor and the properties of water are examined through a variety of discussions and hands-on experiments.
Curated OER
What Are Solutions?
In this solutions worksheet, students brainstorm different types of solutions and an example of each type of solution. This worksheet is a graphic organizer.
Curated OER
Mixtures and Solutions Activities
In this mixtures learning exercise, students access an activity on the web and record their answers from the web activity into a graphic organizer. Then students complete 2 short answer questions.
Curated OER
Visual Models of Solutions and Concentrations
Students model solutions with beakers of colored glass or plastic spheres. In this solutions lesson plan, students use beakers of colored spheres to represent pure substances. They mix the spheres to demosntrate solutions. They discuss...
Olomana School
Mixtures and Solutions: Paper Chromatography Experiment
Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...
Nuffield Foundation
Making Serial Dilutions
There's no need to water down the resource. A tutorial takes learners through the process of creating dilutions for any solution. Specifically, it focuses on serial dilutions with successive factors of 10.
Serendip
Out Spot, Darn Spot
Encourage your classes to be laundry helpers! Learners explore the chemistry of stain removal with a lab investigation. By identifying the components of the stain, they identify the most effective solute for its removal.
Gallantsbiocorner.com
Cell Membrane & Transport
Young scientists demonstrate their understanding of cell transport on this comprehensive worksheet. Focusing on cellular structure and the different processes that allow materials to move into, out of, and throughout animal cells, this...
American Chemical Society
Does Temperature Affect Dissolving?
When making sweet tea, why do people dissolve the sugar in hot tea instead of cold tea? The class discusses the previous lab and builds upon it. Working in groups, they design an experiment to determine how temperature affects the...
Gallantsbiocorner.com
Transport Across the Membrane
Take your biology class on an exploration of the inner workings of cells with this multimedia presentation. Looking closely at the structure of cell membranes and the processes of osmosis and diffusion, this resource explains for...
CK-12 Foundation
Soap
Examine the chemistry of the laundry room! A thorough video explains the polarity and non-polarity properties of soap. The tutorial continues to explain the advantage of these properties in stain removal by showing the bonding of the...
Florida International University
Are You Concentrating?
Explore the importance of a concentration gradient in the rates of dissolution. Using the ocean ecosystem, learners study rates of dissolution around coral reefs. A hands-on experiment helps individuals discover the effects of changing a...
Royal Society of Chemistry
Chemistry Masterclass—Chemistry Outreach
Immerse your chemistry class in the world of organic chemistry! Science scholars isolate acetaminophen from an over-the-counter sample during an intense and interesting lab. Groups use many different separation and analysis techniques to...
Curated OER
Straw Chromatography
Students become acquainted with the principles of liquid chromatography and construct a liquid chromatography column. Students also investigate the effects of different solvents and solvent concentrations in the separation process.
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