Lesson 2 — 2.1 What is energy?

Energy
1 / 13
suivant
Slide 1: Diapositive
Natuurkunde / ScheikundeMiddelbare schoolhavo, vwoLeerjaar 1

Cette leçon contient 13 diapositives, avec diapositives de texte.

Éléments de cette leçon

Energy

Slide 1 - Diapositive

Cet élément n'a pas d'instructions

This lesson
  • Recap
  • What is energy?
  • Examples of energy

Slide 2 - Diapositive

Cet élément n'a pas d'instructions

Learning goals
  • Name the definition of energy.
  • Name the unit of energy.
  • Give examples of energy being used and be able to do calculations about energy being used.
  • Explain what is meant by fuel and name three examples of fuel.


Slide 3 - Diapositive

Cet élément n'a pas d'instructions

Recap

Slide 4 - Diapositive

Cet élément n'a pas d'instructions

What is energy?

Slide 5 - Diapositive

Cet élément n'a pas d'instructions

Energy is the ability to do work
  • The unit of energy is: Joule (J)

Slide 6 - Diapositive

Cet élément n'a pas d'instructions

Examples of energy
1)Name what work is being done in each picture 

2) come up with 3 or more examples of energy in everyday life. Think of the classroom, the school, technology, your body, animals, plants.

Slide 7 - Diapositive

Cet élément n'a pas d'instructions

Slide 8 - Diapositive

Name what work is being done in every picture.

Also, come up with three examples of energy being used in everyday life.
Sources of energy
  • Can we name some sources of energy?

Slide 9 - Diapositive

Cet élément n'a pas d'instructions

Slide 10 - Diapositive

Name what work is being done in every picture.

Also, come up with three examples of energy being used in everyday life.
 1) Give a definition for energy.
  •  The ability to do work
2) Name the unit of energy.
  • Joule
3) What do we mean by (J) and (kJ)?
  •  J - Joule —— kJ - kilo Joule = 1000 joule
4) Where does our body get its energy from
  • Out of the food we eat
5) What does our body use its energy for?
  •  Moving, thinking, healing, breathing, digesting, etc.
6) What is fuel?
  • A source of chemical energy
7) Name three examples of fuel.
  •  Gas, Coal, Oil

Slide 11 - Diapositive

Cet élément n'a pas d'instructions

Homework
  • A research assignment — The food energy cycle

    Slide 12 - Diapositive

    Cet élément n'a pas d'instructions

    Learning goals
    • Name the definition of energy.
    • Name the unit of energy.
    • Give examples of energy being used and be able to do calculations about energy being used.
    • Explain what is meant by fuel and name three examples of fuel.


    Slide 13 - Diapositive

    Cet élément n'a pas d'instructions