Science - Importance of Soil by McCaber

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									The Importance of Soil

By W.Batke Activity Teacher Notes

What do you need to survive?

Make a list of 3 items you cannot live without. Place them in the order of importance .
1._________________ 2._________________

3._________________

What did you write down as the “most important” item that you cannot live without?

How long can you hold your breath? You need air.

Without oxygen your brain cells start to die in about 4 minutes

What did you write down as the second most important item?

Water

You could probably go 5-7 days without water.

What did you write down as the third most important item?

Food

Depending on your physical condition, you could live between 20 to 40 days without food.

Let us look at food. Are you getting hungry? What ingredients do you need to make a hamburger?

How about a hamburger?

Ingredients

Original Source

1. Bun
2. Meat

3. Lettuce 4. Tomato 5. Cheese

What is the original source for these main ingredients?

Ingredients

Original Source

1. Bun
2. Meat

Grain……….......Plant Cow.. Eats grass..Plant …..................…..Plant ……....................Plant ..Milk…Cow….. Plant

3. Lettuce 4. Tomato 5. Cheese

The simple truth is, most of our food ultimately comes from plants.
What do plants need to grow?

Sunlight, water, and soil.

Soil, you cannot live without it!

What is soil made from?

Teacher notes:
*Slides that do not advance automatically must be advanced manually by left clicking on the mouse button. *Back arrows on each slide move to previous slide. *Topics are intended to be discussed in class and science journal notes or records are encouraged. *Programs may be viewed in any sequence although they tend to build upon one another.
Soil Importance, Soil Formation Pt.1, Soil Formation Pt.2 Soil Conservation, Soil Problems Back to start

More

Here are some additional resources on the web http://www.hintze-online.com/sos/soils-online.html http://nscss.org/ssource.html http://www.bsyse.wsu.edu/~saxton/soilwatr/

If you have questions, comments, please send to bbatke@worldnet.att.net

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