PTT28SEP2015 Last week we watched GasLand… What are 3 ways you can think of to protect groundwater from this contamination by natural gas drilling?

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Cycles of Matter.

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Presentation transcript:

PTT28SEP2015 Last week we watched GasLand… What are 3 ways you can think of to protect groundwater from this contamination by natural gas drilling?

Other classes saw a presentation from Aurora Water today…You will do something a little different and will see the presentation on Tuesday next week.

What is your identity? What makes an identity? Is this who you really are a person? Or is it just what you are “labeled” as or tell yourself that is what you are?

Make 16 cards by folding your paper. Write one thing or title that makes up your identity on each one. Examples: teacher, rock climber, Ms. Leigh, sister, white, daughter, etc…

PTT29SEP2015 List 3 specific things you learned from Mrs. Kurton, our guest speaker from Aurora Water. Ms. Leigh is still seeking a gecko sitter for Fall Break, tell your parents to get in touch with Ms. Leigh to confirm you are willing and able.

Energy Flows Matter Cycles

BIOGEOCHEMICAL CYCLES

Atmosphere is 78% Nitrogen This nitrogen is not usable by organisms

ALL living things need Nitrogen

Nitrogen in the atmosphere is not usable by living things it must be “fixed” – Lightning – Nitrogen Fixing Bacteria – Industrial synthesis

Lightning

Nitrogen Fixing Bacteria A symbiotic relationship between the bacteria and the plant Clovers and Pea plants are The only plants with this relationship

Clovers and Pea Plants

Clover and Pea Plants

Farmers will rotate their crops to ensure that nitrogen gets replenished in the soils

Industrial Processes By using a lot of energy and chemical reactions humans can synthesize nitrogen for fertilizers.

Nitrogen is an essential element for plant growth As plants grow they use up the Nitrogen in the soil Nitrogen needs to be replenished…

3 ways to replenish Nitrogen in soil Nitrogen fixing plants (clovers and peas) Crop Rotation Industrial synthesis (man made)

Fertilizers contain nutrients for plants 3 numbers in a row 10 – The numbers refer to: Nitrogen – phosphorous - Potassium

$13.50 $30.00 $15.50

Excess Nitrogen

Open to page 720:

Open to page 722: 1.Why is nitrogen so important? 2.What are the ways nitrogen can be fixed (there are 3)? 3.Where does most of nitrogen fixation occur? 4.How does nitrogen get into an animal? 5.How does nitrogen return to the soil? 6.How does it return to the atmosphere?

PTT30SEP2015 What are the 3 ways that Nitrogen in “fixed”? Logistics: Make sure you turn in your Project Proposal! Have your parents get in touch with Ms. Leigh to be the gecko sitter for Fall Break

BIOGEOCHEMICAL CYCLES

In Your Lab Notebook! What do you observe about the plants at LSE? Study Question: What is the Nitrogen level of soils at the LSE? Hypothesis : If ___________, then _________.

Design: 1.Collect 100ml of soil from the LSE school campus 2.Fill the beaker to 500 ml with water 3.Stir the mixture and let sit undisturbed until the soil settles out 4.Fill the Nitrogen testing vial with liquid from your beaker 5.Break the capsule and put the dry material in the testing chamber 6.Measure the amount of nitrogen in the soil

PTT01OCT2015 Happy Fall! What biotic organism makes all the changes in the Nitrogen cycle happen?

Collect Data: What is our data? Analyze Data: What is the Nitrogen level of our soils?

Conclusion Questions 1.What is the Nitrogen level of our soils? 2.What might happen to plants if they are growing in our soils? 3.Do we need to add nitrogen to our soils? 4.How do you think we should do that? (2 choices) WHY???? Answer in complete sentences!!

Carbon Cycle Carbon Sources – Animal respiration (ocean and land animals) – Decomposing dead stuff – Soil

Carbon Cycle Carbon Sources – HUMAN ACTIVITIES!! – Burning fossil fuels

Fossil Fuels Decomposed forests and swamps that have been below the Earth’s surface for Millions of years

Carbon Cycle Carbon Sinks – Plants – Forests especially