2. Jan 16 / Act D 57
The Conservation of Energy
LEARNING TARGET: I can demonstrate a basic understanding of the Law of Conservation of Energy
CH Q
What is the guiding principle behind the behavior of energy?
VOCAB: (next slide)

3. Law of Conservation of Energy
amount of energy needed to do an amount of work
Efficiency
Scientific Law
Law of Conservation of Energy
cause and effect observations (NOT How or Why)
amount of energy into a system equals amount that comes out

4. DISCUSSION
ability to do “work”
can be transferred or transformed
Review: What is Energy?

5. PROCEDURE AND DATA
MATERIALS:
PROCEDURE: Read on pg. D27-30 silently
- after reading each paragraph, write a summary sentence about that paragraph (there are 10 paragraphs… so there will be10 summary sentences).
DATA: WS Conservation of Energy
WS (update)

7. POST DISCUSSION
Review answers 3-5 on WS 53.1.
Do you still agree? Disagree? Add more evidence to support or change your answers.

8. Review answers 4 on WS 53.1.
Do you still agree? Disagree? - Add evidence to support OR change your answers.
- Add the pg in the book where you found your evidence

9. ANALYSIS
- Discuss and answer Q 1, 3, & 5 on pg.D 31
ANS CH Q
What is the guiding principle behind the behavior of energy? A:
it can be transferred or transformed BUT NEVER created or destroyed (Law of Conservation of Energy)
*there is a Law of Conservation of Mass too, remember E = mc2 (Challenge – How are they related???)
HOMEWORK
Look for and collect at home, items that could be used as insulators - NOT a commercial insulator - thermos / cooler / etc