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Unit Plan
OpenSciEd

Open Sci Ed: 7.4 Matter Cycling & Photosynthesis

For Teachers 6th - 8th
Where does food come from and where does it go next? This unit helps students figure out that they can trace all food back to plants, including processed and synthetic food. They obtain and communicate information to explain how matter...
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Online Course
Khan Academy

Khan Academy: Molarity vs.osmolarity

For Students 9th - 10th
Molarity and osmolarity are two distinct concepts. Molarity (M) is the number of moles of solute per liter of solution. The unit of molarity is the mole (mol). Osmolarity (Osm/L) is the total concentration of all solutes in the solution....
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Online Course
Khan Academy

Khan Academy: The Mole and Avogadro's Number

For Students 9th - 10th
An explanation the mole (named for molecule) and Avogadro's Number. One mole of a substance is equal to 6.022 times 10 to 23rd power units of that substance (such as atoms, molecules, or ions). The number 6.022 time 10 to 23rd power is...
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Activity
National Institute of Educational Technologies and Teacher Training (Spain)

Ministerio De Educacion: Aparatos Circulatorio Y Excretor

For Students 9th - 10th
This unit explores two important systems related to the functions of nutrition: the circulatory and excretory system. It contains 9 interactive activities.
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Online Course
Khan Academy

Khan Academy: Molarity vs. Molality

For Students 9th - 10th
Learn how molarity and molality differ. The molality of a solution is equal to the moles of solute divided by the mass of solvent in kilograms, while the molarity of a solution is equal to the moles of solute divided by the volume of...
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Online Course
Khan Academy

Khan Academy: Introduction to Lab Values and Normal Ranges

For Students 9th - 10th
An introduction to lab values and normal ranges of a blood analysis. A universal model for lab values is explained. Reasons for a value not being with a normal range is discussed.
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Online Course
Khan Academy

Khan Academy: Introduction to Lab Values and Normal Ranges

For Students 9th - 10th
An explanation of lab values following a blood test using a universal model. Also discussed are reasons why a number may be outside of a normal range. These variances include: age, gender, individual laboratory techniques, and the given...
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Online Course
Khan Academy

Khan Academy: What Is Equivalent?

For Students 9th - 10th
The equivalent is the amount of a substance which will either react or supply with one mole of hydrogen ions and acid-base reactions or do the same with one mole of electrons in a redox reaction.
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Online Course
Khan Academy

Khan Academy: What's Inside Blood?

For Students 9th - 10th
An explanation of blood from the time it is drawn from the arm to its centrifugation to an analysis of the three components of plasma, white blood cells, and red blood cells.
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Online Course
Khan Academy

Khan Academy: Molarity, Molality, Osmolarity, Osmolality, and Tonicity What's the Difference?

For Students 9th - 11th
See how each of these terms tells us something different about a solution.
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Online Course
Khan Academy

Khan Academy: Calculate Your Own Osmolarity

For Students 9th - 10th
Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity.
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Website
Other

K 3 Learning Pages: Reptiles and Amphibians

For Students Pre-K - 1st
Come and discover more about reptiles and amphibians when you explore this awesome resource. This site is filled with useful links.
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Online Course
Khan Academy

Khan Academy: Tonicity Comparing 2 Solutions

For Students 9th - 10th
Find out how tonicity is determined by ions that don't move across membranes and how it affects movement of water.