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Unit 5 Chapter 12 section 3
Friction
Grade Level:
8
Subject:
Physical Science
Topic:
Friction Forces
Objective:
1.Students will be able to identify different types of friction ( sliding, rolling,fluid).
2. Students will learn surface area does not effect the kinetic sliding friction.
3. Students will learn surface area does effect the kinetic fluid friction ( in air and water).
4. Students will be able to give two examples of how surface area increases kinetic fluid friction, as a result the object slows down.
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Prep:
print copies
get large graduated cylinder
Materials:
2 paper clips
aluminum foil
paper
water
textbook
Handouts:
classwork packet: forces
website demo paper clip in water:
http://youtu.be/w20iV7jSAFc
