Dracula isn't the only one who needs blood to survive. The eight-part unit includes seven lessons, five demonstrations, seven labs, and a project to organize a blood drive. Class members learn about the parts of...

In this module, students study solutions; how they are formed, how to calculate concentration of solutions, and what the colligative properties of solutions are.

This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...

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...

Learn the definitions of a solution, solute, and solvent. Understand how molarity is used to quantify the concentration of solute, and comcalculations related to molarity.

[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...

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.

[Free Registration/Login may be required to access all resource tools.] Discusses how mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.

[Free Registration/Login may be required to access all resource tools.] Discusses the rate of dissolving and the factors that affect it.