Science Education Resource Center at Carleton College
Serc: Do Water Molecules Have Space Between Them?
In this chemistry lab, students investigate whether water molecules have any space between them by filling a glass with water, and adding salt without the water overflowing. They will also experiment with the temperature of the water.
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."
Cosmo Learning
Cosmo Learning: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course teaches periodic table, chemical bonds, molecular shape, phase changes, chemical reactions, stoichiometry,...
ClassFlow
Class Flow: Water & Aqueous Systems
[Free Registration/Login Required] This flipchart provides a multitude of hands-on activities for identifying, arranging and creating sentence maps for various water and aqueous systems.
Carnegie Mellon University
Chem Collective: Stoichiometry Bridge Course
This is a complete course in chemical stoichiometry, set in a scenario that shows how stoichiometry calculations are used in real-world situations. This course has been designed to not only help you strengthen your skills with...
Chem4kids
Chem4 Kids: Matter
"Matter is everything." So begins this comprehensive website on the physical and chemical properties of matter in its four main states: solids, liquids, gases, and plasmas. The text is large and easy-to-read. Students will enjoy the...
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Rate of Dissolving
[Free Registration/Login may be required to access all resource tools.] Discusses the rate of dissolving and the factors that affect it.
Science Education Resource Center at Carleton College
Serc: Mn Step: Spotting Chromatography
A lab activity that introduces chromatography using markers, plus water and acetone as the solvents. Learners will take measurements to compare the mobile and stationary phases of the inks, and find the polarity of the inks and solvents....
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