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Which of the following is NOT a type of soil particle: Rock. Which soil component makes up about 5% of an ideal soil: Organic Matter. Which soil component makes up about 45% of an ideal soil: Minerals. Which soil component makes up about 25% of an ideal soil: Both A and C. What is the area between soil particles called: Pore Spaces. Which soil particle is the largest in size: Sand. Which soil particle is the smallest in size: Clay. Which soil horizon is also known as “bedrock”: R Horizon. Which soil horizon is commonly called the subsoil: B Horizon. Which soil horizon is contains decomposed plants and animals: O Horizon. What is the definition of weathering: The wearing away of something by long exposure. What category is the following?Clay 50%, Silt 20%, Sand 30%: Clay. What category is the following?Clay 20%, Silt 40%, Sand 40%: Loam. What category is the following?Clay 40%, Silt 50%, Sand 10%: Silty Clay Loam. What category is the following?Clay 10%, Silt 70%, Sand 20%: Sandy Loam

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What are the 3 main soil particles? Sand, silt, clay. What is the best mixture of the soil particles for growing plants? loam. Where do all soil particles originally come from? rocks . What soil particle can collect and hold the most nutrients? Clay . What is the largest soil particle? Sand. What are the three main types of rocks? Igneous, sedimentary, and metamorphic. How are sedimentary rocks formed? Through layering of sediment over time. How are igneous rocks formed? Through the cooling of lava and magma. How are metamorphic rocks formed? Through intense heat and pressure . What kind of rock is limestone? Sedimentary . What is the difference between soil and dirt? Soil is alive and dirt is dead. Why is soil important it provides us with food, clothing, and shelter. What are the four needs of soil anchorage, water, oxygen, nutrients . In an ideal soil matrix, 45% of the soil should be made of what? . In an ideal soil matrix, 5% of the soil should be made up of what? organic matter. What is hummus organic matter produced by fungus that helps hold the soil together. What holds soil particles together all of the above . Who produces globulin? Plants . The ability for soil particles and organic matter to cycle and store nutrients . What are soil horizons? layers in the soil. Where is soil Horizon O; what do you find in it? Top layer; organic matter. What is in Layer R? bedrock. What is in found in layer E Leaching of nutrients. What soil horizon do farmers like best? Horizon A. What is soil health? The ability to cycle and store water and nutrients

Soil is made of: all of the above. What do we call the different layers of soil: Horizons. Which soil horizon is on the bottom: bedrock. What horizon is just below the topsoil: subsoil. Which horizon is made up of partially weathered rocks: Horizon C. Which of the following is the largest particle in soil: sand. Which horizon contains a solid layer of rock: Bedrock. If soil particles are large, then : less water is retained. How do you determine the texture of soil: rub particles between fingers. The texture of soil depends mainly on: the percentage of sand, silt and clay particles.. Which horizon of soil contains leaf litter, and other organic matter: . The ___________________ the grain size, the faster the water will move through the soil: larger. Which diagram represents the soil with the greatest permeability: Choice 4. Which container has the lowest porosity: C. What is porosity: The amount of space between particles. What is permeability: The ability to allow water to flow through

Tiny organisms or living things that can sometimes cause colds are called bacteria. When a farmer adds chemicals to make plants grow more quickly, they  fertilize. The wearing away of soil by rain and wind is called erosion. Items that make up other things are called ingredients. A ______ is a drawing that shows relationships. diagram. _____ is a rough, heavy ingredient of soil that dries quickly. Sand. ____ is a grainy ingredient of soil that dries more slowly than sand.  Silt. To ______ means to take good care of something. conserve. ____ is a slippery and smooth ingredient of soil that dries very slowly Clay. ____ are substances that plants and animals need to live.  Nutrients

The part of soil that is made up of broken down pieces of dead plants and animals is _______. humus. Soil with grains of rock that you can see with your eyes is known as _______. sand. _______ is a mixture of sand, clay, and humus loam. How many soil layers do we learn about in 3rd grade? 3. Which layer of soil is on the top of the earth? topsoil. Which layer of soil is the deepest? bedrock. What type of soil is found mostly on farms because it grows the best plants? loam. _____ is a soil type that can be found on the bottom of ponds, lakes, and rivers. clay. Which soil is defined by NOT being able to be seen with your eye? It can be found in river and ocean WATER. silt. Which soil can be found mostly at the beach, in a sandbox, or on a river bank? sand

Engage Grade 1 students with these worksheets about the essential needs of plants, including air, sun, soil, and water.