NASA
Science at Nasa: Ocean Tides Lost and Found
This article explains what forces are at work on changing the tides of our oceans.
E-learning for Kids
E Learning for Kids: Antarctica Penguins: How Does the Moon Influence the Tide?
This lesson explains how the moon affects tides on Earth and about the different types of tides.
Science Education Resource Center at Carleton College
Serc: Tides and Water Levels
This tutoria is an overview of the complex systems that govern the movement of tides and water levels. It is made up of 11 chapters that can be read in or out sequence, and includes many illustrative and interactive graphics to visually...
Other
California State Parks: Parks Online Resources: Lessons: Tide Pool Ecology
A three-lesson unit on tide pools, including a videoconference component with a park ranger at Crystal Cove State Park in California and curricular materials: activities and worksheets, PowerPoints, videos, and tide pool life fact cards.
University of South Florida
Project Oceanography: Red Tide and Harmful Algal Blooms [Pdf]
Lesson plans and experiments to investigate organisms that cause Red Tide, and diseases that are caused by harmful algal blooms. Background information is provided.
Curated OER
National Park Service: Cabrillo Natl Monument/tide Pools Windows to the Sea
National Park Service page about the plight of the owl limpet, a small fish resident of Southern Californian tide pools
World Wide School
World Wide School: Etext of Within the Tides
This site provides the complete etext to Joseph Conrad's Within the Tides.
Harvard University
Harvard Univ. Library: The Tide of Immigration: The Alien Contract Labor Law
This chapter from a 1916 book by Frank Julian Warne, titled The Tide of Immigration, outlines how the so-called native workers' jobs should be protected from the influx of immigrants. Read about the law that made it illegal for...
CK-12 Foundation
Ck 12: Earth Science: Tides
[Free Registration/Login may be required to access all resource tools.] Describes the causes and features of tides.
Other
Bad Astronomy/phil Plait: Tides and Why Our Days Are Getting Longer
Why does the Moon always shows the same face to the Earth? Why is the Moon's rotation period the same as the length of time it takes to orbit the Earth? Why are there two tides a day? These questions and more are answered here.
Enchanted Learning
Enchanted Learning: Earth's Oceans Tides
This site explains what tides are and the difference between Proxigean Spring Tides, spring tides, and neap tides, and how these are formed. Graphic illustrations are provided.
Text Project
Text Project: Fyi for Kids: The Tides [Pdf]
This FYI for Kids (Volume 5, Issue 3) focuses on the tides. It explains the pull on the earth by the sun and moon and how the tides go in and out.
NOAA
Noaa: National Data Buoy Center: What Are Tides?
A very general introduction to tides and their cycles, with one link to a graph of tide data.
Soft Schools
Soft Schools: Earth Science, Tides Quiz
For middle grades. Using your knowledge of tides, answer the following questions.
Other
Quiz: Tides, Eclipses, Day and Night, Seasons
Take this 15 question multiple choice quiz on tides, eclipses and seasons.
Missouri Botanical Garden
Missouri Botanical Garden: Tide Pools
Click on tide pools on the left hand menu to find a description of tidepools. Use the menu to navigate to other shoreline related topics.
MadSci Network
Mad Scientist: Why High Tide Away From the Moon or Sun?
An excellent and thorough answer to the often asked question about high tide "bulges" on the side of Earth facing away from the Moon or Sun.
Ducksters
Ducksters: Earth Science for Kids: Ocean Tides
Did you know the rising and falling of the sea level is caused by the gravity of the Moon and the Sun? Kids learn about ocean tides including tidal currents and types of tides on this site.
Illustrative Mathematics
Illustrative Mathematics: 8.f Tides
In this problem, 8th graders are presented with a graph showing high and low tides and are asked to analyze it. Aligns with 8.F.B.5.
Khan Academy
Khan Academy: Codex Leicester: Fossils/mountains, Moon/tides
An excerpt from Leonardo da Vinci's Codex Leicester. Find out how this "Renaissance man" observed the Earth and learned more about tides, moons, and fossils in the mountains.
PBS
Pbs Learning Media: Tidal Curiosities
This illustrated essay from the NOVA Web site answers questions about irregularities in the tides.
PBS
Pbs Learning Media: Coastal Geological Processes
This interactive resource adapted from the National Park Service describes the many forces that affect shorelines, including tides, weathering, erosion, and deposition. Includes background reading handout and discussion questions.
NOAA
Noaa: Estuaries 101 Curriculum: Water Going Up, Water Going Down
In this interactive learning module, students discover the effects of the changing tides on the life and health of an estuary ecosystem.
Thinkport Education
Thinkport: Text Structure of Relationships in Text: Waves and Tides
In this science-themed literacy lesson, students analyze the structure of relationships among concepts in a text and how those relationships help to develop the meaning of a text.
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