Unit 4: Space Forces

Essential Guiding Questions:


  • How does inertia affect the solar system?

  • How does the position of the Sun, Moon and Earth affect each other?

  • How does gravity affect the relationships between space bodies?

  • What is the relationship between an object’s motion and its mass?


Critical Vocabulary:

Inertia, Force, Motion, Friction, Work, Mass, Acceleration, Newton’s Law of Gravitation, Newton’s First Law, Newton’s Second Law, Newton’s Third Law

KY SCIENCE STANDARDS

Disciplinary Code 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 an object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion. (PS 2-2)

  • 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. (PS2-2)

  • For any pair of interacting objects, the force exerted by the first object on the second object is equal in strength to the force that the second object exerts on the first, but in the opposite direction. (PS2-1)

Cross Cutting Concepts

  • Explanations of stability and change in natural or designed systems can be constructed by examining the changes over time and forces at different scales. (PS2-2)

  • Models can be used to represent systems and their interactions such as inputs, processes and outputs and energy and matter flows within systems. (SP2-1)



NGSS STANDARDS and Learning Targets

06-PS2-1. Apply Newton’s Third Law to design a solution to a problem involving the motion of two colliding

objects.

06-PS2-2. Plan an investigation 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.

MS-ETS1-4. Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.

MS-ETS1-1. Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.

MS-ETS1-2. Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.

PS 2-1 & ETS 1-4

  • I can design a solution to a problem involving the motion of two colliding objects using Newton’s 3rd Law of Motion

PS 2-2 & ETS 1-1, 1-2

  • I can use a model to determine that the change in an object's motion depends on the mass of the object and the sum of the forces on the object.


Phenomenon


What do we want to know?

Student generated questions:

CONNECTIONS

Article 1

Article 2

Article 3

Article 4

RESOURCES