Motion Notes Mr. Borushko Science 8.

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Presentation transcript:

Motion Notes Mr. Borushko Science 8

Activity Choose and object in the classroom Write down a description in your notebook of where that object is located. Not what it looks like! Read your description to your classmate and see if he/she can guess what the object is. Try giving directions until your classmate can guess the object.

Motion What is motion? When an object changes position over time when compared to a reference point.

Motion What is a reference point?   +   +  The object that appears to stay in place that we compare motion to.

Motion What is speed? How fast or slow an object is moving Speed=distance time Units m/s

Motion Important equations S=d/t (m/s) d=s x t (m) t=d/s (s)

Motion How do we graph speed? Constant speed Distance (m) Time (s)

Motion Graphing con’t. Changing speed

Motion Graphing con’t. Changing speed-speeding up

Motion Graphing con’t. Changing speed-slowing down

Motion What is average speed? Average speed= Total distance Total time

Read pg. 9-14 Main Idea Details

Motion What is velocity? How does velocity change? Speed in a direction Units m/s Speed up, slow down, change direction

Motion What is acceleration? Change in velocity over time Units m/s/s or m/s2 Acceleration=change in V change in t a=Vf-Vs tf-ts