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PROBLEM SOLVING ACTIVITY CLIMATE CHANGE AND …

Student Sheet 1 PROBLEM SOLVING ACTIVITY : CLIMATE CHANGE AND FEEDBACK LOOPS Systems are made up of parts and the interactions between them. They are composed of: Storages of matter/energy: tree biomass in trunk & leaves. Flows: inputs & outputs: light, oxygen and heat. Processes which transfer or transform the energy/matter): photosynthesis. Feedback loops: affecting the stability of the system. To be stable, all systems need to be self-regulating. Feedback loops permit systems to adjust their response to CHANGE (forcing factors) to return to stable conditions. Systems diagrams contain boxes that show circles and arrows which indicate flows.

ability to control temperature. The condition of the body's temperature is the information fed back to the brain, which is the controller. If the temperature is high, the body sweats in order to cool down. Since the process of sweating is done to stop the temperature change, this is a negative feedback.

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LAB ACTIVITY: HEAT, TEMPERATURE AND CONDUCTION

gml.noaa.gov

2 Student Sheet 2 Cooling things by conduction works the same way as warming. This time, a hot metal spoon is put in room-temperature water. The faster-moving atoms in the spoon contact the slower-moving molecules in the water. The atoms in the spoon transfer some of their energy to the molecules in the water. The spoon will get

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gml.noaa.gov

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PROBLEM SOLVING ACTIVITY: HOW DO EARTH’S SPHERES …

gml.noaa.gov

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gml.noaa.gov

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gml.noaa.gov

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CRITICAL THINKING ACTIVITY: THE ELECTROMAGNETIC …

gml.noaa.gov

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gml.noaa.gov

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gml.noaa.gov

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gml.noaa.gov

means cooler summers and milder winters. Slow changes in the Earth’s orbit lead to small but climatically important changes in the strength of the seasons over tens of thousands of years. Climate feedbacks amplify these small changes, thereby producing ice ages. Solar variations - The Sun is the source of energy for the Earth’s climate system.

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Coral reef calcification and climate change: the effect of ...

gml.noaa.gov

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neprisstore.blob.core.windows.net

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msnickelbiology12.weebly.com

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courses.seas.harvard.edu

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biologymad.com

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HOMEOSTASIS: POSITIVE AND NEGATIVE FEEDBACK …

www.michigan.gov

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sites.isdschools.org

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www.houstonisd.org

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