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STC Assessment Guide: Ecosystems

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

Cover of the How Can We Protect Animals When Their Habiatat Changes? Grade 3 Engineering Trainer Guide

How Can We Protect Animals When Their Habitat Changes? Grade 3 Engineering Trainer Guide

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Engineering Design

STC Assessment Guide: Sound

STC Literacy Series™: Technology of Paper, Pack of 8

STC Assessment Guide: Electric Circuits

the cover of Unbalanced Forces Grade 3 Physical Science Trainer Guide

Unbalanced Forces Grade 3 Physical Science Trainer Guide

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Physical Science

Dr. Drew, Density, & Diffusion Cover Image

Dr. Drew, Density, & Diffusion: Dr. Charles Richard Drew Giving Life Through Blood Research

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STC Assessment Guide: Soils

STC Assessment Guide: Comparing and Measuring

STC Assessment Guide: Chemical Tests

STC Assessment Guide: Magnets and Motors

STC Literacy Series™: Motion and Design

STC Assessment Guide: Changes

STC Assessment Guide: Motion and Design

Mission to the Moon Model Cover Image

Mission to the Moon Model

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Grade 2

Grade 3

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STC Assessment Guide: Microworlds

STC Assessment Guide: Food Chemistry

STC Literacy Series™: Measuring Time, Pack of 8

Photo of a beam of light coming from a flashlight

How Can I Win a Game of Flashlight Tag?

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Physical Science

Swing Along with a Pendulum: Clocking a Second Cover Image

Swing Along with a Pendulum: Clocking a Second

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Grade 4

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What's the Code? activity cover

What's the Code? Coding Robot Movements Using Sound

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Grade 1

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Engineering Design

STC Literacy Series™: Magnets and Motors, Pack of 8

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

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Physical Science

cover of the Earth's Systems Grade 5 Engineering Trainer Guide

Earth's Systems Grade 5 Engineering Trainer Guide

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Engineering Design

STC Literacy Series™: Ecosystems

STC Literacy Series™: Electric Circuits

How Can We Glide Like a Squirrel?

How Can We Glide Like a Squirrel?

STC Literacy Series™: Food Chemistry