PS3+(7-8)+-+8


 * Students demonstrate an understanding of motion by…**

__8a measuring distance and time for a moving object and using those values as well as the relationship s=d/t to calculate speed and graphically represent the data.

8b solving for any unknown in the expression s=d/t given values for the other two variables.

8c differentiating among speed, velocity and acceleration.__


 * Students demonstrate an understanding of force (e.g., friction, gravitational, magnetic) by...**

8d making and testing predictions on how __unbalanced forces__ acting on objects change speed or direction of motion, or both.

__8e describing or graphically representing that the acceleration of an object is proportional to the force on the object and inversely proportional to the object’s mass.

8f differentiating between mass and weight.__

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What activities or activity sequences can be used to address these GSEs?

 * ITSI Activity: Describing Motion
 * ITSI Activity: Understanding Motion
 * Common Task - Physical Science

Released NECAP Items

 * NECAP 2008 GR 08 03 Analysis
 * NECAP 2009 GR 8 03 Analysis