Soil
Why is soil important for humans and animals?
Provides food, oxygen, home for plants and animals
Define Loamy Soil
Rich soil that is a mix of sand, clay and silt
True or false?
The darker the soil, the better it is for growing plants
True
Describe Topsoil?
Made of organic matter – decomposed plants and animals as well as some small rocks
True or false?
Oxygen is released during photosynthesis.
True
Define Soil
Soil acts like a living home for bugs and plants, and provides the food they need to grow
Define sand soil
Dry soil with lots of air and so they are not good for gardening. Sandy soil is usually dry, nutrient and fast draining.
Imagine that you are planting a flower. What soil would you plant it in and why?
Loamy because it's rich in nutrients
Describe Organic material
Made up of twigs, leaves and other organic matter
True or false?
Nothing grows in sand
False
Why can’t plants grow in CLAY soil?
Lack of oxygen, particles are tightly packed together
Define Clay Soil
made of very small particles. You can mold clay into different shapes when it's wet. Clay is terrible for planting, but it's perfect for making pottery, tiles, or bricks
How does photosynthesis benefit humans and animals?
Photosynthesis makes oxygen, which is the air we all need to breathe. It also creates food for plants, which eventually becomes food for humans and animals too.
Describe Subsoil
Made from clay, iron, and other organic material
Why is it important that we keep our soil clean and not polluted?
Keeping soil clean is important because dirty soil can harm plants, animals, and people. Clean soil lets plants grow healthy and strong, which is good for everything that eats them – like animals and us!
Which soil DOES NOT hold the most water? Why?
Sand. Too much space between particles, water is easily drained
Define Silt Soil
Silt soil has smaller rock and mineral particles than sand and are mainly found near rivers, lakes, and water bodies
State 5 parts of a plant
flower, seed/fruit, leaf, stem root
Describe Parent Material
Made of mostly large rocks
What common advice is given for identifying poison ivy?
A well-known saying to identify poison ivy is "leaves of three, let it be," which means if you see a plant with three shiny leaves, it's best not to touch it because it might be poison ivy
What 4 things are in soil?
rocks, organic material, living organisms, water (air)
Name 4 types of soil
Loamy, sand, silt, clay
List plants that are harmful to touch
• Poison Ivy: Has three shiny leaves and can cause an itchy rash. • Poison Oak: Similar to poison ivy, it has leaves that look like oak leaves and can also cause an itchy rash. • Stinging Nettles: Have tiny hairs that can sting and cause a burning sensation on the skin.
Describe Bedrock
Made up of large solid rock
What is weathering, erosion, and deposition?
How does it change our land?
Weathering: break down
Erosion: movement
Deposition: build up
Weathering breaks rocks down, erosion transports those broken pieces, and deposition drops them in new locations, building new landforms.