P3–1G–010—04-02-2020

• Natuurkunde / Scheikunde
• Middelbare school

This lesson

• The questionaire
• The chemistry (P2) test
• Recap yesterdays lesson

Goals

• Going over your chemistry test with your feedback and score in mind
• Comparing your answers to the answer sheet

 questionaire

The chemistry (P2) test

Recap yesterdays lesson

1. State the law of conservation of energy

• Energy cannot be created or destroyed. It can be transferred.

Recap yesterdays lesson

2. What is alway true about the total amount of energy in the beginning of a process and the total amount of energy at the end of a process?

• The total amount of energy generated in a process is always the same as what is required for it.

Recap yesterdays lesson

3. What does it mean to say that energy is useful? 

What does it mean to say that energy is wasted?

• Useful energy: The energy generated in an energy transfer which is purposufuly used

• Wasted energy: The energy generated in an energy transfer which is not purposefuly used

Recap yesterdays lesson

4. What two factors in an energy transfer are compared together to detimerine the efficiency? And how?

• The usefull energy
• The total energy

Intro efficiency

Goals

• Going over your chemistry test with your feedback and score in mind
• Comparing your answers to the answer sheet

Have a great time at the england trip!