#### SCI-MS.PS2.02 6th Grade (SCI) Physical Science Standards
[PS2] Motion and Stability: Forces and Interactions

##### SCI-MS.PS2.02 Plan an investigation using Newton's First and Second Laws to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object.

Clarification Statement: Emphasis is on balanced (Newton’s First Law) and unbalanced forces in a system, qualitative comparisons of forces, mass and changes in motion (Newton’s Second Law), frame of reference, and specification of units.
Disciplinary Core Ideas
PS2.A: Forces and Motion The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. A larger force causes a larger change in motion. All positions of objects and the directions of forces and motions must be described in an arbitrarily chosen reference frame and arbitrarily chosen units of size. In order to share information with other people, these choices must also be shared.

## Student Learning Targets:

• I can

• I can

### Skills (Performance) Targets

• I can identify that an object at rest will stay at rest and an object in motion will stay in motion (First Law)
• I can identify inertia (force = mass x acceleration) (Second Law)

### Product Targets

• I can apply Newton's First and Second Law of Motion
• I can explain that an object at rest will stay at rest and an object in motion will stay in motion (First Law)
• I can explain inertia (force = mass x acceleration) (Second Law)

## Proficiency Scale

##### 1 Beginning
... with help, demonstrate a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content).
• descriptors
##### 2 Developing
... demonstrate no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
• Key Vocabulary: Newton's First Law; Newton's Second Law; input output; energy; motion; matter; force; momentum; inertia; mass; velocity; simple machine
##### 3 Proficient
“The Standard.”
... demonstrate no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
• apply Newton's first and second law of motion
• identify and explain that an object at rest will stay at rest and an object in motion will stay in motion. First Law
• identify and explain inertia (force = mass x acceleration). Second Law
• use simple machines to reduce the amount of force or distance required for work
Sample Activity:
Rube Goldberg Machine
Roller Coaster Lab
Connect each law to a situation
Phet site Balancing Act

... demonstrate in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
• descriptors

## Resources

### Vocabulary

• Newton's First Law
• Newton's Second Law
• input output
• energy
• motion
• matter
• force
• momentum
• inertia
• mass
• velocity

### Websites

• Title of website with a URL to open in a new window