LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
Biology Junction
Water, Solutions, pH, and Buffers
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Curated OER
What is Water?
Students examine water's properties. They participate in hands-on activities to show the properties of water.
Curated OER
Gasoline Additive
Chemists consider a situation in which an ethanol producer needs to determine how much to add to t-butanol to prevent freezing during transport. They work in the laboratory to obtain the freezing point depression constant for the...
Curated OER
#16 Separation Science Lab
Students in this inquiry-based experiment, put in the role of a method development chemist. The scenario they are given is that a train wreck has occurred resulting in a chemical spill. Students are told that the spill mixture consists...
Curated OER
The Art of Soap Making
Here is a nice, clean wrap-up lesson for your chemistry class when they are studying chemical reactions . They experiment with different oils to make soap. To make it more fun, they are to imagine that they are part of a soap testing...
Curated OER
Global Environmental Issues: Air and Water Pollution
Thinking about designing a project for your social studies or environmental science classes? Use an overview of a project that prompts class groups to research an environmental issue.
Curated OER
Science: The States of Matter
Third graders conduct experiments in matter to create chemical changes resulting in gases. By mixing solids and liquids, they create a chemical reaction and capture the gas in balloons. After observing the balloons fill with carbon...
Curated OER
Organic Chemistry Problem Set Exam 1
Though there are technically only 13 questions on this exam, they take up six pages and make a thorough assessment of organic chemistry principles. There are plenty of diagrams to label or complete. Emission spectra are displayed for...
Curated OER
Substitution and Elimination Reactions
In this substitution and elimination reactions worksheet, students complete 11 reactions by writing the structural formulas for the products. If no reaction occurs, they write N.R. They also write structures of the products for 3...
Curated OER
Summary of Organic Reaction Mechanisms Needed for AS Chemistry
Advanced chemistry courses typically cover organic reactions. On this reference sheet, the five types of organic reaction mechanisms are explained and an example is shown. For each, there is also a diagram of the chemical reaction that...
Curated OER
Chromatography
Advanced techniques for the lab use of chromatography are detailed here and your students will learn the specifics of separating molecules using a staionary and mobile medium. Diagrams of the equipment used and some facts about how...
Curated OER
Solutions
Amateur chemists define and describe properties of solutions, compare solubilities, explain how solutes affect freezing and boiling points, describe acid and base properties, and more! This educational PowerPoint provides information and...
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Council for the Curriculum, Examinations and Assessment
Drugs Awareness
Legal and illegal. Use and misuse. Risks and consequences. Myths and facts. Class members investigate the effects on the body of various drugs, including cannabis, nicotine, and alcohol.
Chymist
Ink Analysis: An Experiment in Paper Chromatography
Test differences in writing instruments with this hands-on activity to demonstrate paper chromatography in action. The class performs an experiment on multiple writing instruments and determines the area of separation to discover an...
Chymist
Visualizing pH
Why are acids and bases important in our daily lives? Lead the class in answering this question, among others, as they experiment with pH paper and classify where various substances belong on the pH scale. They also taste common acids...
Virginia Department of Education
The Colligative Properties of Solutions
How can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of...
Curated OER
Osmosis and Dialysis
How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...
Science Geek
Colloids and Suspensions
Examine the properties of colloids and suspensions. A slide show defines each mixture and explains their properties. Pupils learn to identify each mixture and compare them to solutions.
National Institute of Open Schooling
Compounds of Carbon Containing Halogens (Haloalkanes and Haloarenes)
Halogens comes from a Greek word which translates to make salt. Lesson 27 in the series of 36 teaches pupils about halogens. Pupils read, discuss, and answer questions in order to learn about haloalkanes and haloarenes. From defining...
Teach Engineering
Concentrate This! Sugar or Salt...
Heat up your lessons on boiling points. The resource provides a three-part activity: first, groups find the boiling point of solutions; second, they create boiling point curves for salt and sugar solutions; and third, they mix a solution...
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
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