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Science year 2.5: sustainability
Today
last paragraf of topic 2
preparing for testweek
Everything is in classroom
1 / 29
volgende
Slide 1:
Tekstslide
Science
Middelbare school
havo
Leerjaar 2
In deze les zitten
29 slides
, met
interactieve quizzen
en
tekstslides
.
Start les
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Deel
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Onderdelen in deze les
Today
last paragraf of topic 2
preparing for testweek
Everything is in classroom
Slide 1 - Tekstslide
What was renewable energy?
A
New types of energy
B
It does not run out, it renews itself
C
energy that consists of waves
D
It runs out, so we won’t be able to use it forever
Slide 2 - Quizvraag
What does the 'law of conservation of energy' mean?
A
energy can not convert from one form to another
B
Energy has to uphold the law
C
Energy is never lost
D
Energy is lost when converted
Slide 3 - Quizvraag
Nuclear energy is
A
sustainable
B
Renewable
C
sustainable and renewable
D
Not sustainable nor renewable
Slide 4 - Quizvraag
heat transfer via direct contact.
heat transfer via air or water.
heat transfer via light/ electromagnetic radiation
convection
conduction
Radiation
Slide 5 - Sleepvraag
learning goals
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 6 - Tekstslide
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 7 - Quizvraag
Food choices
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 'lose' less energy
Slide 8 - Tekstslide
Slide 9 - Tekstslide
food choices
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 10 - Tekstslide
Pollution
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 - Tekstslide
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 - Quizvraag
What is air pollution?
A
Any harmful substance that builds up in the air
B
pollen, dust, gases
C
chemicals in the water
D
industrial pollution
Slide 13 - Quizvraag
greenhouse effect
The effect is important for earth
It keeps the earth warm
But to much is not OK
Slide 14 - Tekstslide
Greenhouse effect
Slide 15 - Tekstslide
greenhouse effect
greenhouse gasses such as carbon dioxide ( CO
2
) and methane ( CH
4
)
cause a bigger greenhouse effects
Heat (radiation) can't leave the atmosphere
Earth heats up (
global warming
)
Enhanced greenhouse effect
Slide 16 - Tekstslide
The greenhouse effect is a natural phenomena
A
True
B
False
Slide 17 - Quizvraag
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 18 - Quizvraag
Energy
Power
Time
Voltage
current
I
P
U
E
t
Slide 19 - Sleepvraag
Place the correct symbol behind the electrical components
Battery
Wire
Switch
Light bulb
LED
Mains socket
Slide 20 - Sleepvraag
voltage is the same for all components
current is the same throughout circuit
Series
Parallel
Still works if one lamp is broken
If you connect batteries this way, you can add their voltages
Slide 21 - Sleepvraag
Sustainable living
How can we live more sustainable
The three R's:
Reduce
Reuse
Recycle
Slide 22 - Tekstslide
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 23 - Sleepvraag
What is a catalyst?
A
something that makes substances burn
B
something that prevents materials to burn
C
something that increases the ignition energy
D
something that lowers the ignition energy
Slide 24 - Quizvraag
What is the Voltage of a electrical socket in a house?
A
360 V
B
12 V
C
230 V
D
1500 V
Slide 25 - Quizvraag
What part of an atom makes it possible for electrical energy to trafel?
A
Proton
B
Nucleon
C
Muon
D
Electron
Slide 26 - Quizvraag
The formula is P = U x I
Witch of these is also correct?
A
U = I / P
B
U = P x I
C
U = P / I
D
U = P + I
Slide 27 - Quizvraag
Testweek
Theory test - about topic 2
Slide 28 - Tekstslide
Theory test
in testweek
1. about topic 2
2.
Lesson-ups
and
slides
in classroom
3.
Games
and
video's
in classroom
5.
learning goals
in classroom
5. Start in time
6. Bring your calculator, pen and pencil
Slide 29 - Tekstslide
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