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Utah Science

Curriculum Consortium

Tyson Grover 

tgrover@dsdmail.net

Annette Nielson

afonnesbeck@dsdmail.net

Storyline Narrative 8.2.1

Standard 8.2.1: Use Computational thinking to analyze data about the relationship between the mass and speed of objects and the relative amount of kinetic energy of the objects.  Emphasis should be on the quantity of mass and relative speed to the observable effects of the kinetic energy.  Examples could include a full cart vs.an empty cart or rolling spheres with different masses down a ramp to measure the effects on stationary masses.  Calculations of kinetic and potential energy will be learned at the high school level.

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Student friendly objectives:

I can use numerical data to identify the relationship between mass of an object and its kinetic energy.

 

I can use numerical data to identify the relationship between speed of an object and kinetic energy.

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Phenomenon/episode 1: Students will explore the phenomenon that if you are trying to throw something with a lot of force and energy it needs to have a lot of mass and a lot of speed to it.  They do this by observing the fact that when they throw something light they can’t throw it very hard. It leaves their hand at the same speed no matter what but slows down very quickly. Students will ask questions about how the matter and energy causes a change in how hard it is thrown.

 

Episode 2:Students will come up with a definition for kinetic energy.  They will design and run an experiment that will help them determine how the quantity of mass affects the overall amount of kinetic energy of an object using marbles of different masses, ramps and and measuring the effect of the marbles on a stationary object.  

 

Episode 3 Students will come up with a definition for speed.  They will then design and run an experiment exploring how the (quantity) of speed of an object affects its overall kinetic energy. They will use the data they collect to determine how the speed affects the amount of kinetic energy.


Evaluation of student proficiency is determined by the assessment.

Conceptual Understandings

That the lighter ball is harder to throw farther than the heavier one.

How does the mass affect the amount of kinetic energy a ball has.

Snapshot

Students will explore the phenomenon that when they throw objects of different masses they don’t go as far and don’t hit as hard.

Episode 1

Question

What affects how hard an object can be thrown.

 

Episode 2

Question

How does mass affect the amount of kinetic energy?

Snapshot

Students will run an experiment that will help them determine how the quantity of mass affects the overall amount of kinetic energy of an object using marbles of different masses, ramps and and measuring the effect of the marbles on a stationary object.  

Conceptual Understandings

More mass in an object causes an increase in the amount of kinetic energy.

What else affects the amount of kinetic energy?

 

Conceptual Understandings

If an object has more speed the it also has more kinetic energy.  

Snapshot

Students will design and run an experiment to determine the effect of speed on the amount of kinetic energy an object has.  

Episode 3

Question

How does speed affect the amount of kinetic energy

 

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