P3–1B–003—03-02-2020

• Natuurkunde / Scheikunde
• Middelbare school
• vwo
• Leerjaar 1

This lesson

• Introduction energy
• Energy – what comes to mind?
• What is energy?
• Working independtly

Goals

• To give examples of how we use energy
• To define energy
• To explain in the two laws of energy in your own words
• To explain the role of the sun in the energy on earth

Energy

Energy

• Where does the sun get its energy from?

• Do all energy sources on earth lead back to the sun?

Energy

What is energy?

The role of the sun

Energy types

Energy transfer

Gravitational potential energy

 &

kinetic energy

Elastic potential energy

Conservation of energy

Energy –
What comes to mind?

What is energy?

Link

Exercise: Explain...

• What is energy?
• What are the two fundemental laws of energy?
• What else did you learn from this video?

Energy

• The ability to do mental or physical activty
• The ability to do work
• Unit: Joule (J)

Energy – two fundemental laws

• Energy cannot be created or destroyed.

• Energy can change forms.

Working independently

Make the exercises of 

§2.1

(If you don't understand a question, 

read the paragraph)

What did we cover this lesson?

Goals

• To give examples of how we use energy
• To define energy
• To explain in the two laws of energy in your own words
• To explain the role of the sun in the energy on earth

For next lesson

• Going over the test
• Check the exercises

Homeowrk:

Exercises §2,1 and §2,2