The 20th century saw many new inventions. Changes came fast and made life easier. Cars, planes, TVs, and cell phones wer... MoreTech World: 20th Century Inventions
This nonfiction science reader will help fifth grade students gain science content knowledge while building their readin... MoreConservation of Mass
Readers will learn what chemical reactions are, how they work, what changes happen during reactions, and how we can stop... MoreChemical Reactions
This high-interest informational text will help students gain science content knowledge while building their literacy sk... MoreElectromagnetism
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