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What’s so special about soils?????. Why is soil important?

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Presentation on theme: "What’s so special about soils?????. Why is soil important?"— Presentation transcript:

1 What’s so special about soils?????

2 Why is soil important?

3 PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!!

4 Why is soil important? PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!! Some soils hold a lot of WATER. If there was no soil, this water could flood towns and cities.

5 Why is soil important? PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!! Some soils hold a lot of WATER. If there was no soil, this water could flood towns and cities. Some soils hold a lot of CARBON which stops GLOBAL WARMING.

6 Why is soil important? PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!! Some soils hold a lot of WATER. If there was no soil, this water could flood towns and cities. Some soils hold a lot of CARBON which stops GLOBAL WARMING. Soils are a HABITAT for many organisms – worms, insects and bacteria.

7 What is soil made from?

8 Carefully observe your soil and record what you see.

9 What is soil made from? Organic material (humus) : Plants and animals – DEAD OR ALIVE!

10 What is soil made from? Organic material (humus) Plants and animals – DEAD OR ALIVE! Inorganic (never been alive) material: Rock fragments, water and air.

11 Is all soil the same?

12 (Time to get your hands dirty!)

13 Is all soil the same? Clay soils can be very sticky when wet and very hard when dry.

14 Is all soil the same? Clay soils can be very sticky when wet and very hard when dry. Sandy soils are light and low in nutrients.

15 Is all soil the same? Clay soils can be very sticky when wet and very hard when dry. Sandy soils are light and low in nutrients. Peat holds a lot of water and plant remains which contain carbon. They are very acidic.

16 Is all soil the same? Clay soils can be very sticky when wet and very hard when dry. Sandy soils are light and low in nutrients. Peat holds a lot of water and plant remains which contain carbon. They are very acidic. Chalky soil is low in nutrients and very alkaline – the opposite of acidic.

17 Why is soil important?

18 Which types of soil do you think you will find on your Peak District visit?


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