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Does your fourth grader know how machines work? Using the LIFEPAC 4th Grade Science Unit 4 Worktext, he will! This colorful, consumable booklet will introduce and explain mechanics, energy, and force to your young student. Lessons in this Alpha Omega curriculum cover topics like levers, planes, wedges, the wheel and axle, pulleys, and more. Tests are included.
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🇺🇸 Ship from USA · On Agora since 2025
$11.50