Motion Unit 6 Miss McDonald Science 8

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Presentation transcript:

Motion Unit 6 Miss McDonald Science 8 Motion: Speed Motion Unit 6 Miss McDonald Science 8

A change in position of anything. What is Motion? A change in position of anything. (person, object)

How do you know an object is moving? It changes position. Not in the same spot as before. Relative Motion

How do we know how fast an object is moving? If we know ________ the object has moved and ________________ it took to move, we can tell ___________ it moved. how far how much time how fast

What is this measurement called? The distance and time it takes an object to move is called _______________. speed

What is the formula for speed? distance time

What is the speed of George if he runs 10 meters in 5 seconds? Practice Problem 1 What is the speed of George if he runs 10 meters in 5 seconds? Speed = distance/time = 10 m/ 5 sec = 2 m/s

Practice Problem 2 Barbie drives her car for 1 hour at 30 miles per hour. How many miles did she go? Speed = distance/time 30 mph = d/ 1 hour d = 30 miles