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Eighth Grade, Geology Projects, Lessons, Activities (36 results)

Geologists study the Earth, trying to understand the forces that gradually shape and change the landscape and ocean floor, as well as forces that make themselves felt more suddenly, like earthquakes and volcanoes. The information geologist discover helps in many ways, from keeping populations safe from disasters like landslides to uncovering important ore deposits like titanium used for surgical equipment.

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Can Plants Stop Soil Erosion?
Science Fair Project Idea
Scientific Method
Soil erosion can cost the world billions of dollars every year by washing pollutants into our streams and rivers and by causing the loss of farmland. What can you do about this problem? Help save the world (and some money!) with nothing more than a few plants! Read more
Make Your Own Seismograph
STEM Activity
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321 reviews
Scientists study earthquakes so we can understand them better and hopefully one day predict them so we can save thousands of lives. A seismograph is a tool scientists use to record earthquakes and measure their strength. In this activity you will build your own seismograph using simple materials. Read more
Make a Water Cycle Model
Lesson Plan Grade: 6th-8th
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Earth is a planet full of water. 70% of its surface is covered with water in oceans, lakes, rivers, and more. Water on our planet can also be found in the atmosphere and underground. In this lesson, students will explore how water is continually cycled among land, the oceans, and the atmosphere. As students build a physical model of the water cycle, they will be able to simulate and observe evaporation, condensation, precipitation, and other water cycle processes in real-time. Remote… Read more
NGSS Performance Expectations:
  • MS-ESS2-4. Develop a model to describe the cycling of water through Earth's systems driven by energy from the sun and the force of gravity.
Fossil Fuels: Chocolate Chip Mining
Lesson Plan Grade: 4th-8th
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© April The problems with using fossil fuels starts with extraction. In this activity, students "mine" chocolate chips out of cookies to demonstrate the effects mining can have on habitats. Read more
NGSS Performance Expectations:
  • 4-ESS3-1. Obtain and combine information to describe that energy and fuels are derived from natural resources and that their uses affect the environment.
  • MS-ESS3-4. Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth's systems.
How Does Soil Affect the pH of Water?
Science Fair Project Idea
Scientific Method
Did you know that soils can be alkaline, neutral, or acidic? Most plants grow best in soil near neutral pH, but some plants prefer slightly acidic and others slightly alkaline soil. What is the pH of the soil in your garden? What happens to the pH of water that comes in contact with soil? In this science project you will get to find out. Read more
Volcanoes
Science Fair Project Idea
Scientific Method
The papier-mâché volcano is a real classic, but there are many other ways to make an even more exciting and interesting science project focused on volcanoes! To get started on your own volcano-based science project, you will want to first have an understanding of how volcanoes form. This is related to tectonic plates. The entire outer shell of the Earth, known as the lithosphere, is made up of tectonic plates that are constantly moving. There are seven or eight large tectonic… Read more
Soil Science: Study Microorganisms in Winogradsky Columns
STEM Activity
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Our planet recycles and reuses everything on it that is needed to support life. It is an amazing, giant recycling system called the biogeochemical cycle. You can actually model this on a small scale by using a plastic bottle and mud to build what is called a Winogradsky column. In this activity, you will build your own Winogradsky columns and investigate how including different nutrients can affect which soil microorganisms flourish and which fail. Read more
How Old Is That Rock? Roll the Dice & Use Radiometric Dating to Find Out
Science Fair Project Idea
Scientific Method
What do rocks and clocks have in common? Both keep track of time. Yes, radioactive isotopes present in rocks and other ancient material decay atom by atom at a steady rate, much as clocks tick time away. Geologists use those radioactive isotopes to date volcanic ash or granite formations like the giant Half Dome in Yosemite National Park. Anthropologists, archeologists, and paleontologists also use radioactive isotopes to date mummies, pottery, and dinosaur fossils. Does this sound abstract and… Read more
Is There a Whole Lot of Shaking Going On? Make Your Own Seismograph and Find Out!
Science Fair Project Idea
Engineering Design Process
If you live in an area where earthquakes happen, you might be especially interested in this science project. You will learn how to build your own seismograph and how to use it to detect ground motion. Read more
Ring of Fire 1: What Volcanoes Tell Us About Plate Tectonics
Science Fair Project Idea
Scientific Method
The Ring of Fire is a region of volcanic and earthquake activity that surrounds the Pacific Ocean. In this project you can explore the connection between plate tectonics and volcanic activity by mapping historical data. Read more
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