Objective: SWBAT analyzing real world magnetic systems and describe changes in potential and kinetic energy.
Do Now:
How does the potential energy in a system of magnets change when two magnets repel and move away from each other?
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Question 1
1.
The two magnets above are pushed together, this caused potential energy to ___________.
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Question 2
2.
By increasing potential energy, kinetic energy _____________ when the magnets were released.
Guided Notes:
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Question 3
3.
Complete the energy curve by indicating how much potential and kinetic energy are in the system at different points of motion
- DO: Indicate the greatest potential energy and kinetic energy at three points in your object's motion
Read and annotate the following article and answer the questions below.
Active annotation CFS:
Accurately identifies the central idea from the primary source of evidence
Write any questions you may have in each paragraph
Circle any words you may not know.
Practice:
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Question 4
4.
How do skydivers get their energy to move?
CFS:
Accurately describes energy types (KE/PE) by analyzing the movement of objects
"Skydivers get their energy from ..."
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Question 5
5.
Explain how potential energy could increase, or when PE is the greatest, depending on your article.
CFS:
Accurately describes the transfer of energy (KE/PE) by analyzing the position of objects
"PE can increase by ... "
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Question 6
6.
What effect does increasing potential energy have on the kinetic energy?
CFS:
Accurately describes the relationship between energy types and units in a larger system
Exit Ticket:
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Question 7
7.
Explain how the evidence you gathered from reading the article in The Potential for Speed and doing the Exploring Energy in Systems activity can help answer the Investigation Question. Try to use all of the words from the Word Bank in your answer.
How can magnets cause objects or other magnets to have kinetic energy?
CFS:
Accurately describes the relationship between magnetic PE and KE.
Accurately describes the relationship between magnetic forces and position of magnets in a system
"I can increase the KE a magnet has by ...
By storing (more/less) PE, a magnet may have (more/less) KE.
I can tell that there is more PE based on the magnetic field lines, the (more/less) field lines there are the (more/less) energy there is.
Also, the (closer/farther) the magnetic field lines, the (more/less) energy there is. "