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Katy ISD
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Curriculum & Instruction
Curriculum & Instruction
Grades 6 - 8
Grades K - 5
Learning Pathways
Science: 4th Grade
Student Page
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Process Skills
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Matter and Energy
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Living Systems
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Natural World Systems
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Resource Central
Matter and Energy
Matter
Matter
Chemistry is the study of matter and how it changes and interacts with matter. But what is matter? Chem4Kids
Sun
Sun Block Adventures
Online solar guide
Heat
Dancing Penny
Heat air to make a coin dance on the mouth of a penny.
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