Readers learn how loaders work and why we use them. As a beginner's guide to science, these books also offer an activity page to help children understand levers, pulleys or ramps, and highfrequency words and easy vocabulary make for easytoread text perfect for young and reluctant readers.
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Readers learn how loaders work and why we use them. As a beginner's guide to science, these books also offer an activity page to help children understand levers, pulleys or ramps, and highfrequency words and easy vocabulary make for easytoread text perfect for young and reluctant readers.
Read Less
