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The cover of A Weighty Problem grade 5 teacher guide with a collage of pictures depicting hiking gear, girls in science class, a boy hiking and a scale with a water and powder mixture.

A WEIGHTY PROBLEM

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Grade 5

Physical Science

Life Cycle of Butterflies– Lesson 3: Learning More About Caterpillars

STC Program: Sound Unit Kit, 3rd Edition

Mission to the Moon Model Cover Image

Mission to the Moon Model

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Grade 2

Grade 3

Grade 4

Grade 5

STC Assessment Guide: Ecosystems

Explore Smithsonian: How do Scientists Sample Populations of Fish and Invertebrates Along the Shorelines?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Sustainability

Which Force Is With You? A Motion and Design Lesson Cover Image

Which Force Is With You? A Motion and Design Lesson

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French

German

Italian

Korean

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

STC Program: The Technology of Paper Unit Kit

the cover of the Properties of Matter Grade 5 Physical Science Trainer Guide

Properties of Matter Grade 5 Physical Science Trainer Guide

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Physical Science

STC Program: Floating and Sinking Unit Kit, 3rd Edition

Ecosystems– Notebooking Strategies

Earth & Space Science

Floating and Sinking– Which Things Float? Which Things Sink?

Physical Science

A blue tone image of the Smithsonian castle with text that says Stories of women in STEM at the Smithsonian

Stories of Women in STEM at the Smithsonian

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Chinese

French

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Grade 5

Grade 6

Grade 7

Grade 8

Education

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

How Can We Use the Sky to Navigate?

Earth & Space Science

COSIP.TV: ¡COVID-19! ¿Cómo puedo protegerme a mí mismo y a los demás?

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STC Assessment Guide: Microworlds

Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Earth & Space Science

Motion and Design– Using Cooperation Cups

Physical Science

Elementary Weather Lesson

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Earth & Space Science

STC Assessment Guide: Experiments with Plants

STC Literacy Series™: Food Chemistry

Cover of Un problema de peso with photos of backpacks

Un Problema De Peso

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Grade 5

Physical Science

STC Program: Microworlds Unit Kit, 2nd Edition

Life Cycle of Butterflies– Literacy Integration: Fiction

Animal Studies– Materials and Organizations

STC Program: Land and Water Unit Kit, 3rd Edition

How Can We Glide Like a Squirrel?

How Can We Glide Like a Squirrel?

How Can We Identify Materials Based on Their Properties? Grade 5 Physical Science Trainer Guide

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Physical Science

Life Cycle of Butterflies– Lesson 8: Observing the Crysalis