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Metric notes pt 1 Old school fun back to life.
Metric conversions • We use these to change the description of the measurement • CONVERSTION TABLE • write it on the chalk board • Yarp
Example time… • 29.1 cm ? m • 4.3 km ? mm • 343 decameters ? hm • What is longer, 29.1 cm or 0.291 m • What is “friendly #” • Did you do length lab? Do it!!! • Yaya…
Like I said… move forward after the length lab… or if your timing is not the best… That’s the weak sauce!!!!
Look over the length lab… • Make sure you do/fix the metric conversions • What did the lab measure? • Length???: • Base unit???: • Tool used???: • Yarp, must get to work
METRIC NOTES PT 2 Did another lab, take some more notes
Now what did we measure??? • Mass?: • Base unit?: • Tool used?: • 1 g is pretty small… common to measure in kilograms (2.2 kg =1 lb) • Keen!
Mass vs. weight OK, so I leave earth and go to the moon. How does my mass change? NERDY!!!! Your mass doesn’t change… but your weight does… more on this later… YARP THAT!!! Lookylooky. Did my “stuff” change? Did I lose part of me??? Nope… still me… same mass Ah, but earth has more GRAVITY! Can’t jump as high! Yep. We call that WEIGHT: THE PULL OF GRAVITY ON AN OBJECTS MASS
Time to talk about time… 2 def. • Instantaneous time: • Passing of time: • Base unit: • Tool used: • yarp
Remember time conversions? • Seconds in a minute? • Minutes in an hour? • Hours in a day? • Days in a year? • Groovy notes is done…