§6.2 Sources: Our climate is changing part 1

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§6.2 Sources: Our climate is changing part 1

Program

Week 02	Week 03	Week 04	Week 05	Week 06	Week 07	Week 08
CH6 §1	CH6 §2	CH6 §2	CH6 §3	CH6 §4	BT CH6	holiday

Program

• Throwback questions
• Explanation
• Getting started!
• End!

In the past, climate has changed regularly. What is special about current climate change?

1. Glaciers in mountains the Alps are melting.
2. Humans are also a cause of climate change.
3. Temperatures rise only at temperate latitudes. Around the poles and equator it does not
4. The temperature rise is much larger than it has been in the past.

Without greenhouse gases, it is -16 degrees on Earth. What effect are we talking about here?

1. farmhouse effect
2. climate change
3. natural greenhouse effect
4. enhanced greenhouse effect

Due to climate change, the Netherlands is ...

1. Winter gets warmer and wetter
2. winter warmer and precipitation decreases annually
3. Summer gets fresher
4. We will have more hurricanes

What are causes of the enhanced greenhouse effect?

1. This is released CO2 that can no longer be absorbed and stored by trees and plants
2. Gases such as carbon dioxide, water vapour and methane form a blanket over the earth, blocking heat radiation.
3. sea level rises due to increased rainfall
4. acid rain falls

The enhanced greenhouse effect is a big problem.Which substance causes the enhanced greenhouse effect?

1. carbon monoxide
2. nitrogen dioxide
3. carbon dioxide
4. sulphur dioxide

Which energy sources are exhaustible?

1. water, petroleum, natural gas
2. water, wind, sun
3. coal, natural gas, oil
4. wind, coal, solar

What are renewable energy sources?

1. Energy sources that are very expensive
2. Energy sources that do not run out
3. Energy sources that are polluting
4. Energy sources that are very cheap

What is a consequence of climate change for the Netherlands?

1. More wet periods in summer
2. Less frequent, but heavier rainfall
3. Longer drier periods in summer
4. More frost in winter

Biomass provides fuel. When we burn this, CO2 is still released. So why do we call it 'green gas' anyway?

1. The CO2 released by biomass has previously been removed from the air by plants.
2. The name biomass refers to the colour of plant waste, otherwise it is not sustainable.
3. Because burning biomass only releases hydrogen gas.
4. We call this biomass because it ensures we have less waste.

Goals

• You can explain the difference between weather and climate
• You can explain what is changing about the Dutch climate in the future

Climatechange in NL

Difference between weather and climate

Weather and climate

• The weather is the state of the atmosphere at a certain time at a certain place.
• With weather, you look at 3 things: temperature, precipitation and wind (direction and strength)
• The climate is the average weather over 30 years

www.knmi.nl

Three things changing:

1. Precipitation: more and heavier
2. Dry summers
3. Rising temperature
   
   
   Let's make it clear with news videos of last year

Getting started!

First read §6.2! 

Then make: §6.2 assignments 1, 2acd, 3ac and 4