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Seventh Grade, Ocean Sciences Projects, Lessons, Activities (9 results)

About 70% of Earth's surface is covered by oceans but humans have only explored 5% of the ocean! From microscopic phytoplankton to pods of whales and global weather patterns there is a lot left to discover.

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How Salty Does the Sea Have to Be for an Egg to Float?
Science Fair Project Idea
Scientific Method
Some objects float on top of the ocean, and other objects sink to the bottom. Why? Try this eggsperiment to find out! Read more
Ocean Bioluminescence: Investigate When and How Dinoflagellates Glow
Science Fair Project Idea
Scientific Method
Imagine the ocean water turning bright red or seeing ocean waves glowing a beautiful blue color. Sounds impossible—but it is not! Red tides and glowing waves are caused by microscopic organisms living in the ocean called dinoflagellates. Some dinoflagellates have the ability to produce light through a process called bioluminescence. When and how do these organisms glow? In this science project, you will investigate how changing the dinoflagellate's exposure to light and dark affects its… Read more
Can Water Float on Water?
Science Fair Project Idea
Scientific Method
Of course it can, you say: ice is water and ice floats! And you're right. But we're talking about water in the liquid phase (the title reads better without getting overly specific). So how about it? Can liquid water float on water? Check out this project to find out. Read more
The Science Behind Tsunamis: Study the Effect of Water Depth on Wave Velocity
Science Fair Project Idea
Scientific Method
A tsunami is a series of waves made in a body of water, like the ocean, that can cause serious destruction when they hit the coastline. In deep water, a wave can be just a few feet high and travel very fast. As it nears the coastline, and moves into shallower water, tsunamis usually slow down, but the wave height can grow to 100 feet! In this ocean science project, you will model a tsunami and investigate how wave velocity (speed) depends on water depth. Does it match the mathematical equation… Read more
Modeling Your Local Watershed and Nutrient Pollution
Science Fair Project Idea
Scientific Method
Have you ever been unable to swim in a body of water because it was polluted? Have you ever wondered where the water came from, or what contributed to its pollution? In this science project, you'll learn how water drains to common areas to create bodies of water and how the land surrounding a waterway can contribute to its health and pollution. Read more
Ocean Currents: Modeling the 'Global Conveyor Belt' in Your Kitchen
Science Fair Project Idea
Scientific Method
Ocean currents have profound effects on the climates of the continents, especially those regions bordering on the ocean. For example, the Gulf Stream (a warm current that goes around the North Atlantic Ocean) is thought to make northwest Europe much warmer than it would otherwise be. Similarly, the California Current is thought to keep Hawaii cooler than other land masses at the same latitude as it. In this ocean science fair project, you will model the behavior of these "rivers" of hot and… Read more
Climate Change and Sea Level Rise
Lesson Plan Grade: 5th-8th
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"Surprise Glacier" © 2010 Jiuguang Wang Do sea levels rise when ice melts? Does it matter whether the ice is on land or in the ocean? Students design an experiment to find out. They collect data, graph their results, and interpret their findings. Along the way, they learn about density, displacement, and climate change. Read more
NGSS Performance Expectations:
  • 5-PS1-2. Measure and graph quantities to provide evidence that regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is conserved.
  • MS-PS1-5. Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.
Oceanic Circulation: What Keeps the Ocean in Motion?
Lesson Plan Grade: 6th-8th
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Why is the ocean vital to our planet? There are many reasons, but one important one is that the ocean is a major player in regulating our weather and climate through currents. In this lesson plan, your students will model ocean currents with cups, water, and food coloring, and explore how temperature and density differences set deep ocean waters in motion to create a global oceanic circulation system. Read more
NGSS Performance Expectations:
  • MS-ESS2-6. Develop and use a model to describe how unequal heating and rotation of the Earth cause patterns of atmospheric and oceanic circulation that determine regional climates.
What To Do About COâ‚‚?
Lesson Plan Grade: 5th-12th
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Where does CO₂ come from and how does excess carbon dioxide in the atmosphere affect the ocean and aquatic life? In this lesson students are introduced to the carbon cycle and explore pH and acidification with hands-on experiments. They then connect their experimental data with real-world data to evaluate claims about carbon dioxide and ocean acidification. Finally, students are introduced to how different companies and research groups are using green chemistry to build carbon capture… Read more
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