
Conservation of Energy Lesson
Presentation
•
Physics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 9 Questions
1
By Ms. Alaa Mattar
2
By Ms. Alaa Mattar
3
Multiple Choice
Which equation belongs to Kinetic Energy
4
Multiple Choice
Which equation belongs to Potential Energy?
5
Multiple Choice
What is the conservation energy?
It means energy can never be forgotten
It means energy can never be created nor destroyed
It means energy can always be concluded
6
By Ms. Alaa Mattar
7
Multiple Choice
What happens if the ball does not fall straight down but rolls down a ramp? (assuming no friction)
It will not effect the system's energy, no matter what the path is
It will effect the system's energy because path is different
Energy will only increase or decrease depending on the path
8
Multiple Choice
6300 J
3100 J
2000 J
9
By Ms. Alaa Mattar
10
Multiple Choice
If a hill farther along the track were higher than the first one, the roller-coaster car would not be able to climb the higher hill. Why?
because the energy required to do so would be equal to the total mechanical energy of the system.
because the energy required to do so would be greater than the total mechanical energy of the system.
because the energy required to do so would be less than the total mechanical energy of the system.
11
Multiple Choice
As you ski down the slope, your speed _________ as more potential energy is transformed to kinetic energy
decreases
increases
does not change
12
Multiple Choice
The reference level is chosen to be the height of the bob at the
lowest point
highest point
nutella with vanilla icecream
13
By Ms. Alaa Mattar
14
Open Ended
Any questions?
By Ms. Alaa Mattar
Show answer
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