Curated OER
Chapter 22 - 25 Review
In this chemistry review instructional activity, students explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.
Curated OER
Classification of Matter
In this classification of matter worksheet, high schoolers answer 5 questions about the composition of matter, solutions, colloids and suspensions, and the properties and changes of matter.
Curated OER
Water Alchemy
After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Normal Community High School
Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
Curated OER
Operating the spectrophotometer
Working in small groups, students explore the operation of spectrophotometer. Using the spectrophotometer, they investigate Beer's Law with everyday items.
Curated OER
Science Words
For this general science worksheet, students find 32 science words reviewing states of matter and types of substances. Students may self correct by selecting the link at the bottom of the page.
CK-12 Foundation
Ck 12: Colloids and Suspensions
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe the properties of a suspension and a colloid and distinguish from a solution or a suspension.
CK-12 Foundation
Ck 12: Colloids and Suspensions
[Free Registration/Login may be required to access all resource tools.] In this lesson, students expand their study of mixtures to show that solids and gases can also act as solvents. Additionally, they take a look at situations in which...
TED Talks
Ted: Ted Ed: Science of Macaroni Salad: What's in a Mixture?
What's in macaroni salad? Break down the pasta, mayonnaise, vinegar, mustard, vegetables, etc., and you're left with a bunch of molecules. Josh Kurz uses a delicious recipe to exemplify three types of mixtures (solution, colloid and...
Chem Tutor
Wyzant: Lessons: Chemistry: Other Types of Mixtures
A discussion of the "other" mixtures, colloids and suspensions. A good overview of these types of mixtures. It also provides a table of the properties of colloids.
Science Struck
Science Struck: Explanation of Tyndall Effect With Labeled Diagram
Explains what the Tyndall Effect is and uses a diagram to model its impact on two different mixtures. Includes causes, examples, a look at suspensions and solutions, and an experiment to try.
Other
The Science House: The Cat's Meow Lesson Plan
Experiment provides this activity used to create interest in a common substance: milk. Students are asked to form a hypothesis about the behavior of milk as household detergents act upon it. The most important aspects of this activity...
eSchool Today
E School Today: Elements, Compounds, Substances and Mixtures
Learn about the classification of matter based on whether the chemical composition is pure or a mixture. Understand the definitions of elements, compounds, substances, and mixtures, and what the differences are between them. Five types...
Ducksters
Ducksters: Chemistry for Kids: Chemical Mixtures
Explore all about chemical mixtures on this site including solutions, alloys, suspensions, colloids, dissolving, examples, and facts.