Objective: SWBAT writing evidence based arguments by analyzing force and magnetic field lines in systems of repelling magnets.
Do Now:
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Question 1
1.
Explain why moving the green car to the left or right will result in the largest increase in potential energy?
"Moving the green car (left/right) will increase PE because ... "
Guided Notes:
Daniela makes an electromagnet to pick up magnetically charged materials that she drops. She creates multiple models however she only wants one to pick up as many possible items.
Help her identify the relationship between the number of coils and magnetic strength.
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Question 2
2.
Describe the solution you would suggest to Daniela to increase magnetic strength?
CFS:
Accurately identify the most relevant testing variable
Accurately describes the relationship between magnetic strength and the testing variable
Practice:
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Question 3
3.
Describe how you could increase the PE of repelling magnets?
CFS:
Accurately describes the relationship between magnetic field lines and force in magnetic systems
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Question 4
4.
How do you think the differences in PE impact the velocity of the launch?
CFS:
Accurately describes the relationship between magnetic position and the force/field in a system
Accurately describes the relationship between force and acceleration
"I think that by (increasing/decreasing) the PE in the launch system can impact velocity by ... (increasing velocity/decreasing velocity)"
Exit Ticket:
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Question 5
5.
Describe when the magnetic force between each of the launcher systems is the greatest in attracting magnets?
CFS:
Accurately describes the relationship between magnetic forces and placement of magnets
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Question 6
6.
Describe the relationship between magnetic force and distance between attracting magnets? (Think: When distance is the closest, what would you expect to see with magnetic strength?)
CFS:
Accurately identifies the type of relationship between two variables
Accurately describes the relationship between magnetic forces and placement of magnets
"I think that the magnetic force and distance between magnets are related because if I (increase/ decrease) the distance between the magnets magnetic force will (increase/decrease)"