Curated OER
Homogenous and Heterogeneous Mixtures
Fourth graders explain and describe what a mixture is, distinguish between the two types of mixtures (which are heterogeneous vs.homogenous) and are able to create and appropriately label mixtures.
Science Friday
Cooking with Chemistry
Use class time to perfect your hollandaise sauce with a chemistry lesson. It includes two activities to teach about immiscible liquids, emulsifiers, and creating a stable homogenous mixture. Young scientists first mix liquids in a...
Curated OER
Better Butter
Students explore the process of making butter. In this agriculture lesson, students discuss how butter is made today and how it was made in the past. Students make their own butter using baby food jars and some "elbow grease."
Perkins School for the Blind
Mixtures and Solutions
Mixtures and solutions are different; one can be separated fairly easily and the other cannot. This hands-on experiment was written specifically for learners with visual impairments or blindness. They will use lemonade and trail mix to...
Curated OER
Estuaries, Estuarine Habitats, and Adaptations
Students conduct research on estuaries. They design and construct an estuary, describe the physical characteristics of an estuary, and create a diagram illustrating an estuarine food web.
Curated OER
Fracture Fundamentals: A Cheesy Analog
Students make small cuts (fracture nuclei) in processed cheese food and then apply stresses perpendicular or parallel to the cuts to see how fractures grow. They make predictions before each experiment and explain their results to the...
CFR Washington
Urbanization and Wildlife
Urbanization and how it affects wildlife is the focus of a presentation that uses statistics to make a case for concern and change.
Curated OER
Modifying Viscosity of Egg Yolk
Students investigate the effects of substances on the viscosity of egg yolks. In this viscosity lesson plan, students separate egg yolks from their albumen and then add different masses of albumen back to each egg yolk. They measure the...
Curated OER
Mixing in the Kitchen
Students identify the different types of mixtures. They identify examples of solutions, suspensions, colloidal dispersions, and emulsions through a game and basic experiments.
Curated OER
Asian and Other Cultures
Middle schoolers view and discuss a video showing different festivals celebrated in Asian cultures. They participate in a class survey of the different festivals celebrated in their own families and brainstorm the purposes for...
Curated OER
South American Cultures
Students examine South American festivals. In this cultural diversity lesson, students research Spanish cultural festivals and determine their purpose. Students write and conduct a survey about cultural festivals.
Curated OER
Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
Curated OER
Different Ethnic Groups in Ecuador, Panama and Argentina: Their Assimilation and their Contributions
High schoolers research various Latin American countries and reflect on the different ethnic communities represented in that country and their contributions to the region. They make posters, perform skits and write letters about their...