Y2_T2_LSN2.1

TOPIC 2

ENERGY IN THE WORLD
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Slide 1: Tekstslide
ScienceMiddelbare schoolhavo, vwoLeerjaar 2

In deze les zitten 22 slides, met interactieve quizzen, tekstslides en 3 videos.

Onderdelen in deze les

TOPIC 2

ENERGY IN THE WORLD

Slide 1 - Tekstslide

Which types of energy do you know?

Slide 2 - Woordweb

TOPIC 2.1

ENERGY SOURCES
P. 52-59

Slide 3 - Tekstslide

§2.1 - Learning Goals:
P. 52-59
I can:
  • give examples of energy sources
  • identify different forms of energy
  • identify the type of energy conversion takes place
  • explain the difference between renewable an non-renewable energy and identify which one applies
  • explain the difference between non-sustainable and sustainable energy sources and identify which one applies

Slide 4 - Tekstslide

§2.1 - Key Words:
P. 52-59
  • Law of conversion of energy
  • Renewable
  • Non-renewable
  • Sustainable
  • Non-sustainable

Slide 5 - Tekstslide

§2.1 - Energy sources:

Slide 6 - Tekstslide

§2.1 - Descriptions:
Discuss definitions of:
  • Elektromagnetic (light,...)
  • Nuclear
  • Thermal
  • Kinetic (movement)
  • Sonic (sound)
  • Chemical
  • Electrical

Slide 7 - Tekstslide

Kinetic energy
Thermal energy
Chemical energy
Electric energy
Nuclear energy
Sonic energy
Electro magnetic energy
Energy that results from movement of an object
Energy resulting from a temperature difference between two systems
Energy resulting from reactions between atoms and / or molecules
Energy resulting from the flow of electrons
Energy resulting from changes in the atomic nuclei or from nuclear reactions
Energy in the form of sound waves
Energy that travels in waves at the speed of light

Slide 8 - Sleepvraag

1

Slide 9 - Video

Slide 10 - Video

§2.1 - Law of conservation of energy:
  • Energy is not created or destroyed

  • Energy can be transformed from one form to another

Slide 11 - Tekstslide

What do we mean when we say:
 energy is “lost” ?
Energy is never destroyed, but some energy conversion is not useful for us

Example: Your macbook heating up, instead of converting the electrical energy to only light and sound → we “lose” energy in the form of heat

Slide 12 - Tekstslide

01:23
Will the ball hit the man's face?
Yes
No

Slide 13 - Poll

Slide 14 - Video

What type of energy conversion fits best at the shown power plant?
A
kinetic energy to electric energy to thermal energy
B
Chemical energy to electric energy
C
kinetic energy to nuclear energy to electric energy
D
Thermal energy to kinetic energy to electric energy

Slide 15 - Quizvraag

§2.1 - Energy conversion at a fossil-fired power plant:
  • Chemical energy ⇒ thermal energy(heat)
           By burning coal or gas
  • Thermal energy(heat) ⇒ kinetic energy
           By heating water produces steam, this is used to rotate the steam turbine
  • Kinetic energy ⇒ electrical energy
           This happens in the generator, similar to what happens in a dynamo

Slide 16 - Tekstslide

Chemical energy
Electrical energy
Kinetic Energy
Thermal Energy

Slide 17 - Sleepvraag

Write down as many energy sources as you can.

Slide 18 - Woordweb

§2.1 - Energy sources:
  • Renewable: It does not run out, it renews itself

  • Non-renewable: It runs out, so we won’t be able to use it forever

Slide 19 - Tekstslide

Renewable
Non-Renewable
Solar energy
Natural Gas
Nuclear energy
Coal
oil
Wind
Geothermal
Biomass

Slide 20 - Sleepvraag

§2.1 - Sustainable:
An energy source is that is both renewable and does not harm the environment is called sustainable.

Slide 21 - Tekstslide

Homework for next time:
Lablesson:
  • Prepare Heat of combustion of popcorn
  • Prepare Identifying substances by their combustibility 
Theory lesson:
  • Complete the exercise of Topic 2.1 (p.54-59)
  • Read Topic 2.2 (p. 60-63)
  • Study the glossary of Topic 2.2 on Studygo.
  • LABJOURNAL: prepare for the experiments:

Slide 22 - Tekstslide