Explains what causes tides. Beautiful photos, fact-filled text, and helpful infographics help readers learn all about the science behind this phenomenon as well as ways that people study or protect it. Levels Interest Level: Grades 4-7 Reading Level: Grades 3-5 Dewey: 550 Lexile® Measure: 720 F&P Level: V Pricing Library Bound: $31.35 (List) / $21.95 (S/L) 978-1-63517-913-2 Paperback: $9.95 978-1-64185-015-5 Multiuser Hosted eBook: $24.95 978-1-64185-116-9 National Schools’ Observatory: Tide Simulator Scholastic Study Jams!: Tides Smithsonian: Currents, Waves, and Tides: The Ocean in Motion Related WebsitesAll Books in This Series Search Find another Focus Readers title: Go