1. What are waves
Tuesday, January 27th, 2015

2. Do Now Homework Read chapter 11 (355-381)and complete worksheet
Due on Monday 2/2
Do Now
Create new unit
Physics
Waves (rest of year breakdown on next slide)
Write down 3 things that you can tell me about waves

3. Remainder of year 6 more units  Physics Waves – 2 weeks
Energy – 2 weeks
Motion – 3 weeks
Spring Break
Gravity – 1.5 weeks
Electromagnetism – 1.5 weeks
TCAP review/TCAP - 2 weeks (April 30th)
Simple Machines – 1 week
Review – 1 week
Final

4. Objectives SWBAT describe a wave by writing the definition.
SWBAT distinguish between mechanical and electromagnetic waves by giving examples.
Essential Question
Where do waves come from?

5. Vocabulary Wave Mechanical wave Medium Electromagnetic wave Vacuum
A wave is a disturbance that carries energy through matter or space.
Mechanical wave
A type of wave that requires a medium.
Medium
The matter in which a wave travels.
Electromagnetic wave
A wave that can travel through a vacuum.
Vacuum
A space with no matter.

6. The Nature of Waves You may work with your table
Answer the 6 questions in the text

7. Answer the Essential Question
Where do waves come from?

8. Exit Ticket What is a wave?
How are mechanical waves and electromagnetic waves different?
What is an example of a mechanical wave?
What is an example of an electromagnetic wave?