Y2_T2_LSN2.5

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Slide 1: Slide
ScienceMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 20 slides, with interactive quizzes and text slides.

Items in this lesson

HAVE READY:
Textbook & notebook closed
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Slide 1 - Slide

Practice quiz on Kwizl:
timer
20:00
  • 8 min max practice quiz.
  • 7 min max peer review and feedback.
  • 5 min max write a reflection in your notebook:
  • What mistakes did I make?
  • Why were they mistakes?
  • What can I do better next time?

Slide 2 - Slide

TOPIC 2.5

Sustainability
P. 88-97

Slide 3 - Slide

§2.5 - Learning Goals:
P.88-97
I can…:
  • explain why a vegetarian diet is more sustainable
  • explain how pesticides can accumulate in the food chain and kill predators
  • explain how different kinds of pollution can lead to long term problems
  • Explain what the greenhouse effect is and how extra gasses can enhance this and cause global warming
  • use the three R's to identify ways to live more sustainable


Slide 4 - Slide

§2.5 - Key Words:
P. 88-97
  • Vegetarian
  • Vegan
  • Pescetarian
  • Pesticides
  • Accumulation
  • Biodegradable 
  • Greenhouse effect
  • Enhanced greenhouse effect
  • Greenhouse gasses
  • Global warming
  • Three R’s (reduce, reuse, recycle)

Slide 5 - Slide

What does sustainable mean
A
bad for the environment
B
it kills living things
C
better for the environment
D
using pesticides to help the environment

Slide 6 - Quiz

§2.5 - Food Choices:
P. 88-97
All of the energy of our food comes from the sun

A lot of that energy is 'lost' 

By eating less (or no) animals we 'waste' less energy

Slide 7 - Slide

Slide 8 - Slide

§2.5 - Food Choices:
P. 88-97
Other things that do NOT help the environment:

1. Pesticides (to kill insects on crops)
2. A lot of transport (fuel usage)
3. Use of antibiotics for animals

All this builds up in the food chain before it gets to us

This is called accumulation

Slide 9 - Slide

§2.5 - Dietary Choices:
P. 88-97
You could choose to completely adapt your diet/lifestyle:

1. Vegetarian -  You do not eat any meat at all, you could eat dairy & eggs
2. Vegan - You do not eat any animal products at all, and sometimes also avoid using things made from animal (leather / wool).
3. Pescatarian - You are basically a vegetarian that does eat fish.

Make sure you discuss this with your parents/guardians before changig your diet, especially when you are still growing!!


Slide 10 - Slide

§2.5 - Pollution:
P. 88-97
Our modern way of life causes a lot of pollution.

A lot of materials like plastic are NOT biodegradable.

Eventually these plastics will get smaller and get into our food chain.

Slide 11 - Slide

Pollution _________________________.
A
is harmful materials put into the environment
B
found in air, water, and land
C
effects plants, animals, and people
D
All of the above

Slide 12 - Quiz

§2.5 - Greenhouse effect:
P. 88-97
The earth is absorbing the heat of the sun like a greenhouse.

This is causing the Earth to warm up which is known as the Greenhouse effect.

A continued greenhouse effect is now leading to Global Warming.

Slide 13 - Slide

§2.5 - Greenhouse effect:
P. 88-97
Greenhouse gasses such as CO2 and Methane cause a bigger greenhouse effects.

Heat (radiation) can't leave the atmosphere. 

Earth heats up faster(global warming). This is called an Enhanced greenhouse effect

Slide 14 - Slide

The greenhouse effect is a natural phenomena
A
True
B
False

Slide 15 - Quiz

What is the greenhouse effect?
A
Global warming
B
Climate change
C
Gasses re-radiate heat back to earth
D
Air pollution that heats the earth

Slide 16 - Quiz

§2.5 - Sustainable living:
P. 88-97
How can we live more sustainably?

The three R's:
  • Reduce
  • Reuse
  • Recycle

Slide 17 - Slide

seperate your trash so that certain materials can be used again
 use things more than once
lowering the amount of energy and resources you use
Reduce
Reuse
recycle

Slide 18 - Drag question

Homework for next time:
Lablesson:
  • Studygo Topic 2.3 & 2.4
  • Study the notes of topics 2.3 & 2.4
  • Review lablesson Series vs parallel circuits
  • Choose your lab partner wisely!
Theory lesson:
  • Complete the exercise of Topic 2.5 (p.90-97)
  • REVIEW ALL NOTES OF TOPIC 2
  • Study ALL GLOSSARIES OF TOPIC 2 on Studygo.
  • Have your lab project handed in within the first 10 minutes of class.

Slide 19 - Slide

series vs parallel circuits:
GET READY:

  • your Lab journal
  • pencil
  • your partner

Slide 20 - Slide