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Results: 86 Videos

Mountains Are Formed by Plate Collision

Two continental plates collide, creating heat and pressure that bend rock and create mountain ranges. View Video

Judith Ortiz Cofer

Judith Ortiz Cofer discusses who inspired her to share her stories and then students in Vista, California respond personally to stories from Cofer's collection. View Video

Abiodun Oyewole

Abiodun Oyewole explains why poetry is important today. He reads one of his poems and then listens as the students in Cathie Wright-Lewis's class read their poems to the class. View Video

Plants Help Create New Soil

Geologist Andy Kurtz describes how lichens and plants speed the process of soil accumulation. View Video

Problem Solving: Bubble Gum Contest

Students work on an activity where they gather data for a bubble gum contest. View Video

Problem Solving: Pencil Box Staining

Students work on a project to build and stain wooden pencil boxes. This involves measuring and calculating the surface area of geometric shapes. View Video

How do geoscientists determine the approximate age of a rock? (example: Uranimum-235) View Video

Reasoning Abstractly and Quantitatively: Beans, Beans...

Students use abstract and quantitative reasoning to estimate how many beans are in a bag. View Video

Reasoning Abstractly and Quantitatively: Dice...

Students use abstract and quantitative reasoning to predict dice rolling. View Video

Reasoning: Cranberry Estimation

In this estimation lesson, students are asked to predict and record how many scoops of cranberries fit into a jar. View Video

Reasoning: What's the Price?

Students use various problem-solving strategies to understand the cost of household items, as well as the partitive model of division. View Video

Ishmael Reed

Ishmael Reed reads his poem "Railroad Bill" and discusses his work with high school students in San Francisco, California. View Video

Repeated Reasoning: Products and Sums

In this lesson, students use array structures to reason and conjecture about relationships between sums and products. View Video

Repeated Reasoning: Products and Sums

Students use array structures to reason about relationships between sums and products. Charts help them identify patterns. View Video

Repeated Reasoning: Valentine Exchange

Students work to answer the question: "How many cards would be needed if all 24 students in the class were to exchange cards with each other?" View Video