Greenhouse Effect

Presentation

•

Science

•

7th Grade

•

Hard

Joseph Anderson

FREE Resource

11 Slides • 10 Questions

The Greenhouse Effect

It is the warming of the Earth's atmosphere because of some greenhouse gases trapping the heat radiated fron Earth.

Heat from the sun warms the Earth's surface, but most of it radiated and sent back to space.

Water vapor and carbon dioxide in the troposphere trap some of this heat, preventing it from escaping, thus keeping Earth warm.

The trapping of heat is called GREENHOUSE EFFECT.

The radiated heat is trap because of the presence of some gases in the atmosphere that does not allow the heat to escape.

Causes of the Man-made Greenhouse Effect

There are 2 ways by which greenhouse gases enter out atmosphere:

1. Through natural processes like animal and plant respiration.

2. Through human activities

The main human sources of greenhouse gas...

Fossil fuel use
Deforestation
Intensive livestock farming
Use of synthetic fertilizers
Industrial processes.

Main Sources of Greenhouse Gas Emissions

Multiple Choice

Humans have the ability to cause temperature change.

True

False

Multiple Choice

The Earth's atmosphere acts like a greenhouse that traps heat from the sun.

true

false

Multiple Choice

Which of the gases is NOT a greenhouse gas?

water vapour

carbon monoxide

carbon dioxide

methane

Multiple Choice

The greenhouse effect is caused by

more heat arriving at the Earth from the sun

the Earth releasing more heat at night

gases in the air trapping heat released by the Earth

Multiple Choice

What is a greenhouse?

A house made of glass and the glass traps heat from sunlight.

A house that stays warm inside.

A house that people grow plants, fruits, and vegetables in.

All of the above

Multiple Choice

What is a greenhouse?

A house made of glass and the glass traps heat from sunlight.

A house that stays warm inside.

A house that people grow plants, fruits, and vegetables in.

All of the above

Multiple Choice

. There are some gases in the atmosphere which ........... the heat.

trunk

trope

trip

trap

Multiple Choice

The gas that is most abundant in the atmosphere is

oxygen

nitrogen

carbon dioxide

argon

Multiple Choice

Humans have the ability to cause temperature change.

True

False

Multiple Choice

Humans have the ability to cause temperature change.

True

False

The Greenhouse Effect

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