Date post: | 13-Jan-2016 |
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Mass vs. Weight
Create a T-chart:Mass vs. weight
mass weight
Place in your t-chart
1.What is it?2.What units is it measured in?3.Can it change?
Double check: These are the questions you should have answered in your t-chart
1.What is it?2.What units is it measured in?3.Can it change?
• You are now finished with your notes.
• The next slides will help you with your homework. Your homework is on the back of yesterdays gravity homework.
• When you have completed the homework turn it into the basket, then watch the videos and complete your reflection (on the last slide)
• If you get done before the end of class make sure you have all of yesterdays notes completed, today’s notes and your reflection because this will be graded tomorrow.
Calculating weight
Weight = mass x gravity
Gravity on Earth = 10ms-1
•Jeff’s mass is 300 Kg•The gravity on Earth is 10 ms-1
•If weight = mass x gravity•Then Jeff’s weight on Earth = 300 x 10•On Earth Jeff weighs 3000 N !!
•Jeff’s mass is 300 Kg•The gravity on the Moon is 1.6 ms-1
•Jeff’s mass is 300 Kg•The gravity on Mars is 3.7 ms-1
•Jeff’s mass is 300 Kg•The gravity on Jupiter 23 ms-1
•Jeff’s mass is 300 Kg•The gravity on Saturn is 9 ms-1
• http://www.schooltube.com/video/d81c7cf0d8ecf2f322e3/Eureka!%20Episode%207%20-%20Weight%20vs.%20Mass
• http://www.schooltube.com/video/41fc091d692746af
9b12/Science%20Yr8%20Mass%20vs%20Weight
Click on the links below and watch the 2 videos. If you have headphones please use them if not be respectful to your neighbors and don’t turn it up to loud.
When you have completed BOTH sides of the worksheet and watched the videos, turn the worksheet into the basket. Now it is time to reflect on what you have learned the past two days:
Reflection: look back at what you have learned the past two days: gravity, mass and weight. In your notebooks write two paragraphs (minimum 4 sentences each) about what you learned. Look back at your notes if you have to. This will be graded!