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Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

STC Literacy Series™: Solids and Liquids

STC Literacy Series™: Rocks and Minerals

Dr. Drew, Density, & Diffusion Cover Image

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

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How Can We Glide Like a Squirrel?

How Can We Glide Like a Squirrel?

STC Literacy Series™: Plant Growth and Development

Cover of the grade 1 physical science teachers guide

How Can We Light Our Way In The Dark?

Physical Science

STC Literacy Series™: Measuring Time, Pack of 8

STC Literacy Series™: Weather

cover of the How Can We Provide Freshwater to Those in Need? Grade 5 Engineering Trainer Guide

How Can We Provide Freshwater to Those in Need? Grade 5 Engineering Trainer Guide

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Engineering Design

STC Assessment Guide: Solids and Liquids

STC Assessment Guide: Chemical Tests

STC Assessment Guide: Floating and Sinking

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