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...
Science Buddies
Science Buddies: The Effect of Bridge Design on Weight Bearing Capacity
This Science Buddies project asks that you identify different kinds of bridges, discover why they are built as they are, and then build three different bridges of your own out of balsa wood. See which one you think can bear the heaviest...
Yale University
Yale New Haven Teachers Institute: The Physics of Bridges
Introduce students to physics concepts that engineers use when building a bridge. This curriculum unit includes concepts such as Newton's Third Law, stress on a material, vibration, and resonance. Unit includes lectures, lab activities,...
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.
TeachEngineering
Teach Engineering: Slow the Cylinder
Students learn why shock absorbers are necessary on vehicles, how they dampen the action of springs, and what factors determine the amount of dampening. They conduct an experiment to determine the effect of spring strength and port...
TeachEngineering
Teach Engineering: Construction Technologies: Construct the Strongest Bridge
In this activity, students will work in pairs to create three simple types of bridges. They will observe quantitatively how the bridges work under load and why engineers use different types of bridges for different places. They also will...
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...
TeachEngineering
Teach Engineering: Bridging the Gaps
Students are presented with a brief history of bridges as they learn about the three main bridge types: beam, arch and suspension. They are introduced to two natural forces - tension and compression - common to all bridges and...
CK-12 Foundation
Ck 12: Chemistry: Suspensions
[Free Registration/Login may be required to access all resource tools.] Covers properties of suspensions and gives examples of suspensions.
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.
Sophia Learning
Sophia: Suspensions
A brief, narrated tutorial explaining the properties of a suspension, and why it is unique from other mixtures. [0:29]
Soft Schools
Soft Schools: Chemistry: Matter: Mixtures Quiz
A ten-question quiz on the chemical properties of mixtures.
Other
Wilkes University: Colloids and Suspensions
Defines colloids and suspensions as a function of particle size in pharmaceutical mixtures. Gives general info on Stokes law.
Sophia Learning
Sophia: Suspensions: Lesson 2
This lesson will explain the properties of a suspension, and describe why it is unique from other mixtures. It is 2 of 2 in the series titled "Suspensions."
ClassFlow
Class Flow: States of Matter Experiment
[Free Registration/Login Required] This flipchart goes through the basics of identifying the different states of matter: solids, liquids, and gases. It also has an exciting (and easy) experiment for students to combine substances, get a...
Other
60 Second Science: Rainbow Gel
Examine mixtures made from different substances, and discover how to make gel.
PBS
Pbs Teachers:hang in There
Explore different types of load supports and the forces that act upon them. Investigate how the cable contributes to the stability and strength of a suspension bridge.
Science Bob Pflugfelder
Science Bob: Oobleck: The Cornstarch and Water Experiment
Try this fun and easy experiment to learn about "Non-Newtonian" liquids.