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Friday, September 27, 2013 Mrs. Hensley Sedgefield Middle School.

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Presentation on theme: "Friday, September 27, 2013 Mrs. Hensley Sedgefield Middle School."— Presentation transcript:

1 Friday, September 27, 2013 Mrs. Hensley Sedgefield Middle School

2 In your scientific journal: unscramble the following science words. 1.Edspe 2.Creferncee 3.Meit 4.Trime 5.Nacestid 6.Pragh

3 1.Speed 2.Reference 3.Time 4.Metric 5.Distance 6.Graph

4 What does a reference point have to do with motion?

5 Things only appear to move relative to a reference point (object that appears to stay still)

6 How do you know something is moving?

7 Change in position over time.

8 How is position related to motion?

9 Location of an object.

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11 Calculate Speed A car is traveling at a constant speed of 20 miles per hour. This means that in 1 hour the car travels 20 miles. Write an equation to show the relationship between distance traveled, d, and time traveled, t. In other words, how does distance change as a result of the amount of time traveled?

12 t d 1 hour20 miles 2 hours 3 hours 4 hours

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14 Quick review!

15 The first law describes inertia, the tendency of an object to remain in motion or stay at rest.

16 The second law explains the dynamics of unbalanced forces

17 The third law notes that for every action (force), there is an equal and opposite reaction.

18 http://app.discoveryeducation.com/search?Ntt=m ythbusters

19 In your science journal, please tell me your plans for this weekend.


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