BellWork:
1.Which is an example of friction that is helpful?
a.car engine parts wearing out
b.the erosion of soil by wind
c.tires moving a car forward on a road
d.hole developing in your socks
2.In order to produce a change in motion, a force must be a(n)
a.balanced force
b.unbalanced force
c.gravitational force
d.frictional force
3.Friction is a force that
a.neither frictional and gravitational
c.decrease with larger mass
b.opposes an object's motions
d.does not exist when surfaces are very smooth
4.What increases friction?
a.more speed
b.rough surfaces
c.smooth surfaces
d.more surface area
Video:Law of Acceleration
Note: As you watch the video, take notes on the important details.
Paired work:
Make a digital presentation of the Law of Acceleration
Requirements:
1.maximum of 6 slides
A.1st slide: cover slide with the main title and your name as the presenter
B.the rest of the slides will be for the topic
C.Images included to enhance the meaning of the terms or concept
D.Topics to discuss:
a. Definition of Law of Acceleration in your own understanding
b. Factors affecting Acceleration and the relationship of each factor to acceleration
c. Definition of Gravity and Mass and their comparison
d. How does gravity affect acceleration?
E.Last slide will be containing: the importance of the lesson to you and how does it apply in your
day-to-day activities
http://plaza.ufl.edu/shick715/index_files/Powerpoint%20Rubric.jpg
The following slides are Supplemental &
Essential Ideas to Include during the Discussion
after the Presentation:
Independent Practice: Answer the True/False questions below. Explain your answer in 2 to 3 sentences.