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Power of the Ozone, Global Warming and Greenhouse
Presentation
•
Science
•
7th - 10th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Angela Douglas
Used 20+ times
FREE Resource
11 Slides • 9 Questions
1
Power of the Ozone, Global Warming and Greenhouse
by Angela Douglas
2
Earth's Atmosphere helps Warm the Earth
Without the atmosphere, Earth would be pretty cold at night and very warm during the Day. However, due to the power of GREENHOUSE Gases the Earth is Warm and comfortable. But too much of a good thing can be trouble. A greenhouse is warm. But too much heat can make it HOT
Sin la atmósfera, la Tierra estaría bastante fría por la noche y muy cálida durante el día. Sin embargo, debido al poder de los gases de efecto invernadero, la Tierra es cálida y confortable. Pero demasiado de algo bueno puede ser un problema. Un invernadero es cálido. Pero demasiado calor puede calentarlo
3
Let's start with Protection
Remember that in the Stratosphere we have a layer of O3 molecules- that's ozone. Ozone absorbs energy from Ultraviolet waves of the sun. This absorption heats up the Ozone layer and keeps those rays from hitting us, who would be hurt by them.
El ozono absorbe la energía de las ondas ultravioleta del sol. Esta absorción calienta la capa de ozono y evita que esos rayos nos golpeen, que serían perjudicados por ellos.
4
Multiple Choice
The ozone layer in the stratosphere ________ ultraviolet radiation
reflects
absorbs
transmits
nullifies
5
Multiple Select
Ozone helps to (auda a)
keep heat on the Earth
Protect us from UV radiation
Reflect heat from the Earth
make it easy to breathe
6
Under the Stratosphere is the Troposphere
Most of the air is here.
Important gas to warming the Earth are the GREENHOUSE GASES.
A greenhouse works by trapping heat (Un invernadero funciona atrapando el calor)
Water vapor, Carbon Dioxide, Methane and other Gases also trap heat
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How?
Energy from the sun comes in waves which are short & fast.
they hit the Earth, the waves slow down, becoming more heat. These slower/ longer waves are too slow to get past the Water vapor and Carbon Dioxide molecules in the air, so they bounce back down to the earth. They are reflected back to Earth, and keep it warm. La energía del sol viene en ondas que son firmes y rápidas. Cuando golpean la Tierra, las olas disminuyen y se calientan más. Estas ondas más lentas son demasiado lentas para pasar las moléculas de vapor de agua y dióxido de carbono en el aire, por lo que rebotan hacia la tierra. Se reflejan en la Tierra y la mantienen caliente.
8
Multiple Select
Greenhouse gases include (incluir)
Carbon dioxide
Water vapor
Nitrogen
Oxygen
9
Multiple Choice
Greenhouse gases help warm the earth by
trapping heat near the surface
reflecting heat out of the atmosphere
changing into heat waves
building greenhouses
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the Energy budget
All of the energy from the sun doesn't stay on Earth. Some of it gets reflected by clouds and shiny surfaces. Some of it escapes. We have a nice balance of energy coming in and energy going out so the Earth is comfortable for us.
Toda la energía del sol no se queda en la Tierra. Parte de ella se refleja en nubes y superficies brillantes. Algo se escapa. Tenemos un buen equilibrio de energía entrando y saliendo para que la Tierra sea cómoda para nosotros.
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Global Warming
The Amount of heat on Earth is staying longer because Carbon Dioxide is increasing-- This causes ice to melt and draughts, the ocean to relase CO2 and hold less O2.
La cantidad de calor en la Tierra permanece más tiempo porque el dióxido de carbono está aumentando: esto hace que el hielo se derrita y se forme, el océano libera CO2 y retenga menos O2.
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What's going to happen? CHANGE
The oceans are getting hotter-- which means less CO2 and oxygen are dissolved in the Ocean-- putting more in the air and making the heating of the earth even more powerful.
Animals and plants are suffering, dying from the changes to their homes-- it's too hot for polar bears, too dry for frogs. We may run out of food.
Consecuencias del calentamiento global por demasiado gas de efecto invernadero: los océanos se están calentando más, lo que significa que se disuelven menos CO2 y oxígeno en el océano, lo que pone más aire en el aire y hace que el calentamiento de la tierra sea aún más poderoso. Los animales y las plantas están sufriendo, muriendo por los cambios en sus hogares: hace demasiado calor para los osos polares, demasiado seco para las ranas. Cuanto más agregamos CO2, más cambiamos la Tierra y es posible que ya no pueda alimentarnos si no la arreglamos.F
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Multiple Select
Global warming is causing
the oceans to release (liberación) CO2 and oxygen
it to get colder
polar ice caps to melt
plants and animals to loose their homes and lives
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Multiple Choice
All of the energy from the sun that hits the Earth stays on the Earth
toda la energía del sol que golpea la tierra se queda en la tierra
True
False
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Sunlight is radiant Energy
The energy may reflect off, transmit through, absorb into and radiate from.
The ground absorbs heat from atmosphere: conduction
The atmosphere transfers heat as a circulation: convection.
La energía puede reflejarse, transmitirse, absorberse e irradiarse. El suelo absorbe el calor de la atmósfera: conducción. La atmósfera transfiere calor como una circulación: convección.
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Multiple Select
clouds cause some radiation from the sun to
absorb
reflect
transmit
convection
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Convection
Energy that is moving in a circular pattern, Hot air rises, cold air falls.
Energía que se mueve en un patrón circular. El aire caliente se eleva, el aire frío desciende.
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Multiple Select
Energy from the sun may be (choose all correct)
absorbed by the ground
transmitted by the air
reflected by albedo
reflected out of the atmosphere
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Open Ended
how can we humans decrease global warming (give 2 ideas)
¿Cómo podemos los seres humanos disminuir el calentamiento global, dar 2 ideas?
Power of the Ozone, Global Warming and Greenhouse
by Angela Douglas
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