Weather and Climate Part 2
A deck covering important concepts in weather and climate, including El Nino, microclimates, seasons, sunspots, photosynthesis, and the carbon cycle.
How often does El Nino occur?
Key Terms
How often does El Nino occur?
El Nino occurs for one to two years before the usual winds and currents return.
What is a microclimate
A microclimate is a small area with specific climate conditions different from surrounding areas.
What are seasons caused by?
Seasons are caused by the tilt of Earths axis as Earth travels around the sun.
What is the important principle that scientists follow while studying ancient climates?
If plants or animals today need certain conditions to live, then similar plants and animals in the past alos required those conditions.
What is the difference of a thick or thin ring inside a tree?
A thin ring says that an area was cool or dry, and a thick ring means that the area was hot and damp.
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| Term | Definition |
|---|---|
How often does El Nino occur? | El Nino occurs for one to two years before the usual winds and currents return. |
How often does El Nino occur? | El Nino occurs for one to two years before the usual winds and currents return. |
What is a microclimate | A microclimate is a small area with specific climate conditions different from surrounding areas. |
What are seasons caused by? | Seasons are caused by the tilt of Earths axis as Earth travels around the sun. |
What is the important principle that scientists follow while studying ancient climates? | If plants or animals today need certain conditions to live, then similar plants and animals in the past alos required those conditions. |
What is the difference of a thick or thin ring inside a tree? | A thin ring says that an area was cool or dry, and a thick ring means that the area was hot and damp. |
What happened during an ice age? | Huge sheets of ice called glaciers covered large parts of earths surface. |
In the past two million years, how many ice ages do scientists predict there have been? | Scientists predict that there have been four major ice ages, all lasting about 100,000 years each. |
What period do scientists think that we are living in right now? | Some scientists think that we are in a warm period right now, in between ice ages. |
What are sunspots? | Sunspots are dark, cooler regions on the surface of the sun. |
What is photosynthesis? | Photosynthesis is the process by which plants use the energy of sunlight to change carbon dioxide and water into food and oxygen. |
What is the carbon cycle? | The carbon cycle is where carbon is transferred from earths interior to the atmosphere, oceans, crust, and to living things, provided energy by the sun and the heat of earths interior. |
What are greenhouse gases? | Gases in the atmosphere that trap solar energy. |
What is global warming? | A gradual increase in the temperature of Earth's atmosphere. |
What do chlorofluorocarbons, or CFCs, do? | CFCs can last for decades and rise all the way to the stratosphere. In the stratosphere, ultraviolet radiation breaks down the CFC molecules into atoms, including chlorine. The chlorine atoms then break ozone down into oxygen atoms. |
What do chlorofluorocarbons, or CFCs, do? | CFCs can last for decades and rise all the way to the stratosphere. In the stratosphere, ultraviolet radiation breaks down the CFC molecules into atoms, including chlorine. The chlorine atoms then break ozone down into oxygen atoms. |
What do chlorofluorocarbons, or CFCs, do? | CFCs can last for decades and rise all the way to the stratosphere. In the stratosphere, ultraviolet radiation breaks down the CFC molecules into atoms, including chlorine. The chlorine atoms then break ozone down into oxygen atoms. |