Science Buddies
Science Buddies: Toxic Trees: Just How Toxic Is That Black Walnut Tree?
The goal of this plant biology science fair project is to make and test an herbicide made from the leaves of the black walnut tree and investigate the toxicity of black walnut trees.
Science Buddies
Science Buddies: Solid Ground? Measuring Soil Bearing Capacity
Foundations for many types of structures rest on soil. This project shows how you can investigate the bearing capacity of different types of soil.
PBS
Pbs Learning Media: What Is Soil?
Have you ever played in dirt from your yard? You were actually playing with one of the most important natural resources on earth - soil. Watch a short video on soil and a second video showing the phases of plant development using...
University of British Columbia
University of British Columbia: Soil Components
Use this interactive website to learn everything you wanted to know about the four components of soil: minerals, organic, water, and air. Many links along the way assist with comprehension by allowing you to view photographs, charts, and...
Other
Indianetzone: Types of Soil
Get to know the five different kinds of soil .. clay, sand, loam, chalk, and peat.
Utah Education Network
Uen: S O I L Soil
Plants need nutrients to grow, those nutrients come from the soil, and nutrients can be added to soil to help plants grow better.
University of Illinois
University of Illinois Extension: The Great Plant Escape: Soiled Again
Help Detective Le Plant dig for clues in the soil to solve this case. You'll need to find out what soil is, why it is important, and in what kinds of soil plants grow.
Utah Education Network
Uen: Sand, Clay and Humus
Fourth graders study the differences between humus, sand, and clay soil.
PBS
Pbs Learning Media: Soils Around the World
Check out a world map hosting a variety of options for views of various soil types. Identify the different soils and where they can be found.
Science Buddies
Science Buddies: Porosity
Soils are made of particles of different types and sizes. The space between particles is called pore space. Pore space determines the amount of water that a given volume of soil can hold. Porosity is the percentage of the total volume of...
Science Education Resource Center at Carleton College
Serc: Dissecting Soil
In this soil study, students investigate a soil sample to discover what is inside the soil. Working in partners, they explore to see if there are any plants, animals, dirt, or other (water and air) in the soil.
CK-12 Foundation
Ck 12: Earth Science: Soil Characteristics
[Free Registration/Login may be required to access all resource tools.] Describes the characteristics and types of soil.
University of Illinois
University of Illinois Extension: The Great Plant Escape: Soiled Again
Become a detective and solve the soil mystery! To solve the case you must discover what soil is, why it's important, and in what kind of soil do plants grow. You will find out the four components of soil along with the different soil...
Alabama Learning Exchange
Alex: The Horizons of Soil in My Backyard
Students will work in small groups to dig holes 1 meter deep. Students will work with measurements as they dig and measure. Students will observe the different types of soil and how the soil changes as they dig. Students will write and...
Utah Education Network
Uen: How Are Soils Classified?
Students examine soil samples for this activity and decide classify them according to whether they are sandy, silty or clay.