Y2_T2_LSN2.1

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

This lesson contains 24 slides, with interactive quizzes, text slides and 3 videos.

Items in this lesson

TOPIC 2
ENERGY IN THE WORLD

Slide 1 - Slide

GRADES
LAB: CIRCUITS (1X)
LAB PROJECT: GROWING A BEAN (2X) 
TEST TOPIC 2 (4X)

!!! NO QUIZ !!!

Slide 2 - Slide

TOPIC 2.1

ENERGY SOURCES
P. 52-59

Slide 3 - Slide

§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 - Slide

Which types of energy do you know?

Slide 5 - Mind map

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

Slide 6 - Slide

§2.1 - Energy sources:

Slide 7 - Slide

§2.1 - Descriptions:
Discuss definitions of:
  • Electromagnetic (light,...)
  • Nuclear
  • Thermal
  • Kinetic (movement)
  • Sonic (sound)
  • Chemical
  • Electrical
timer
5:00
Work in pairs:

Place the correct cards together.

Slide 8 - Slide

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 9 - Drag question

1

Slide 10 - Video

Slide 11 - Video

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

  • Energy can be transformed from one form to another

Slide 12 - Slide

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 13 - Slide

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

Slide 14 - Poll

Slide 15 - 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 16 - Quiz

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 17 - Slide

Chemical energy
Electrical energy
Kinetic Energy
Thermal Energy

Slide 18 - Drag question

Write down as many energy sources as you can.

Slide 19 - Mind map

§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 20 - Slide

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

Slide 21 - Drag question

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

Slide 22 - Slide

Homework for next time:
Lablesson:
  • Study the parts of the bean.
  • LABJOURNAL - prepare for the experiment “Drawing a bean” from Growing bean project
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 experiment: Exothermic vs endothermic reaction

Slide 23 - Slide

Peanut burning experiment:
GET READY:

  • your lab partner
  • pen/pencil
  • your labjournal

Slide 24 - Slide