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STC Assessment Guide: Balancing and Weighing

STC Program: Plant Growth and Development 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: Animal Studies

STC Program: Chemical Tests Unit Kit, 2nd Edition

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

STC Literacy Series™: Motion and Design

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

STC Assessment Guide: Food Chemistry

Front cover of the What Explains Similarities and Differences Between Organisms? teachers guide with flowers plants and bugs

What Explains Similarities and Differences Between Organisms?

STC Assessment Guide: Motion and Design

The cover of the 3rd grade earth and space science teacher's guide

How Do Weather And Climate Affect Our Lives?

Earth & Space Science

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

STC Program: Microworlds Two-Use Unit Kit, 3rd Edition

The Protecting Whales teacher guide cover with a collage of images showing a mother and baby humpback whale, a whale fluke in front of a military ship, a whale fluke, and a whale fluke in front of a cargo ship.

PROTECTING WHALES

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Grade 3

Life Science

Sustainability

STC Literacy Series™: Animal Studies

Cover of Smithsonian Science for the Classroom with yellow background and 12 images in circles with tiger stripes, insect, fossil, and animal crossing sign.

How Can We Protect Animals When Their Habitat Changes?

Engineering Design

STC Program: Experiments with Plants Unit Kit

the blue cover of grade 3 physical science teachers guide

How Can We Predict Patterns of Motion?

Physical Science

STC Literacy Series™: Food Chemistry

STC Program: Electric Circuits Unit Kit, 3rd Edition

STC Assessment Guide: The Life Cycle of Butterflies

STC Program: Animal Studies Unit Kit, 3rd Edition

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

Which Force Is With You? A Motion and Design Lesson

This is a free resource

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

STC Assessment Guide: Experiments with Plants

STC Program: Ecosystems Unit Kit, 3rd Edition

STC Assessment Guide: Land and Water

cover of the Ecosystem Resilience! How can people and ecosystems build resilience to change?

Habitats Grade 3 Engineering Trainer Guide

This is a free resource

Engineering Design

STC Assessment Guide: Electric Circuits

STC Program: Rocks and Minerals Unit Kit, 2nd Edition