MODULE 6

Question 1

How many cycles of glacial advance and retreat have occurred in the last 650,000 years?

Answer 1

Seven

Question 2

What marked the beginning of the modern era about 7,000 years ago?

Answer 2

The abrupt end of the last ice age

Question 3

What causes most of the Earth’s past climate changes?

Answer 3

Small variations in Earth’s orbit affecting solar energy received

Question 4

How does Earth maintain its habitable conditions?

Answer 4

By being wrapped in a layer of greenhouse gases that act like a blanket

Question 5

A change in the statistical distribution of weather patterns lasting for an extended period (decades to millions of years)

Answer 5

Climate Change

Question 6

Name three observable effects of global climate change.

Answer 6

Shrinking glaciers, earlier ice breakup on rivers/lakes, and shifting plant and animal ranges

Question 7

What are two predicted effects of global climate change now being observed?

Answer 7

Global temperature rise and shrinking ice sheets

Question 8

The increase in average temperature of Earth’s near-surface air and oceans, largely due to human influence

Answer 8

global warming

Question 9

What percentage of climate scientists agree that climate-warming trends are likely due to human activities?

Answer 9

Ninety-seven percent

Question 10

What contributes to global warming?

Answer 10

Increased greenhouse gas concentrations, the greenhouse effect, and natural phenomena like volcanic activity

Question 11

What human activities contribute to climate change?

Answer 11

Mining, illegal logging, deforestation, burning fossil fuels, wrong agricultural practices, excessive car use, and industrial waste production

Question 12

Heat-trapping gases such as water vapor (H2O), carbon dioxide (CO2), ozone (O3), methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons (CFCs)

Answer 12

greenhouse gases

Question 13

The natural trapping of heat in the troposphere by greenhouse gases, warming the Earth’s atmosphere

Answer 13

greenhouse effect

Question 14

What role do greenhouse gases play in Earth’s temperature regulation?

Answer 14

They allow solar energy to pass through the atmosphere, absorb and trap heat, maintaining Earth’s temperature

Question 15

Who proposed the concept of the greenhouse effect, and when?

Answer 15

Swedish chemist Svante Arrhenius in 1896

Question 16

What would Earth’s average surface temperature be without the greenhouse effect?

Answer 16

. -18°C, making it cold and lifeless

Question 17

How have atmospheric levels of greenhouse gases changed in recent decades?

Answer 17

CO2, CFCs, methane, and nitrous oxide levels have risen significantly

Question 18

What human activities increase greenhouse gas levels?

Answer 18

Burning fossil fuels, agriculture, deforestation, and use of CFCs

Question 19

What are the main greenhouse gases that contribute to the greenhouse effect?

Answer 19

Water vapor (H2O), carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O)

Question 20

How does water vapor contribute to the greenhouse effect?

Answer 20

It absorbs heat radiated from Earth’s surface and radiates it back, acting as a secondary source of warmth

Question 21

Why is water vapor considered the most important greenhouse gas?

Answer 21

It plays a key role in transferring heat and energy from Earth’s surface to the atmosphere

Question 22

What percentage of greenhouse gas emissions is carbon dioxide responsible for?

Answer 22

About 75%

Question 23

What is a key source of carbon dioxide emissions?

Answer 23

Burning organic materials like coal, oil, gas, wood, and solid waste

Question 24

Why is methane considered a potent greenhouse gas despite its shorter atmospheric lifetime?

Answer 24

It is at least 84 times more potent than carbon dioxide over two decades

Question 25

What are the primary sources of methane emissions?

Answer 25

Landfills, natural gas and petroleum industries, and agriculture (especially grazing animals)

Question 26

How does nitrous oxide compare to carbon dioxide in terms of potency and lifetime?

Answer 26

It is 264 times more powerful over 20 years and lasts over a century in the atmosphere

Question 27

What are the major sources of nitrous oxide emissions?

Answer 27

Agriculture and livestock (fertilizer, manure, and residue burning) and burning fuel

Question 28

What are some effects of human-caused climate change?

Answer 28

More frequent and severe droughts, snowstorms, and extreme winter weather in temperate regions

Question 29

How is warming Arctic weather affecting other regions

Answer 29

It is causing extreme winter weather and snowstorms in temperate regions

Question 30

What is happening to coral reefs due to climate change?

Answer 30

Warming ocean temperatures are increasing the frequency of coral reef bleaching

Question 31

How are forests being affected by climate change?

Answer 31

Warmer, drier weather is preventing some forests from recovering from wildfires

Question 32

How is wildlife being impacted by climate change?

Answer 32

Wildlife habitats around the world are becoming less hospitable to animals

Question 33

What does environmental awareness help us understand?

Answer 33

The fragility of our environment and the importance of its protection

Question 34

It fosters a sense of connection to the natural world, promotes sustainable development, and encourages conservation of resources and species

Answer 34

Why environmental awareness is important

Question 35

It helps people understand the economic, aesthetic, and biological importance of preserving resources and reducing harmful human impacts

Answer 35

How environmental awareness educate people

Question 36

It helps people realize the consequences of human activities and identifies solutions for environmental problems

Answer 36

role of environmental education

Question 37

Why is it important to promote environmental education for future generations?

Answer 37

To prevent passing on environmental problems to future generations and to ensure a bright future for them

Question 38

How can individuals contribute to environmental awareness

Answer 38

By recognizing the worth of good quality living and doing their part in protecting the environment

Question 39

A major venue for developing environmental awareness by forming children's positive attitudes towards the environment.

Answer 39

School

Question 40

A process that allows individuals to explore environmental issues, engage in problem-solving, and take action to improve the environment.

Answer 40

Environmental education

Question 41

Awareness and sensitivity to the environment, knowledge and understanding of the environment, attitudes of concern, skills to resolve challenges, and participation in activities to resolve environmental issues.

Answer 41

components of environmental education

Question 42

What skills does environmental education develop in individuals

Answer 42

It develops skills to make informed decisions, solve problems, and take responsible actions to improve the environment.

Question 43

How does environmental education help in solving problems?

Answer 43

It teaches individuals how to weigh various options and use problem-solving and decision-making skills to arrive at the best solution.

Question 44

What are the top 3 benefits of environmental education?

Answer 44

It heightens imagination and enthusiasm, enhances critical and creative thinking, and encourages healthy lifestyles.

Question 45

How does environmental education impact communities?

Answer 45

It strengthens communities by promoting responsible actions to better the environment.

Question 46

How does environmental education impact communities?

Answer 46

It strengthens communities by promoting responsible actions to better the environment.