CAUTION: Slippery When Wet! ⛐ How Is Friction Calculated? This Question Exploration explains Static and Kinetic Frictional Forces on both Flat and Inclined Surfaces, and introduces the Normal Force and the coefficient of friction.

Question Exploration Routines are instructional methods that teachers can use to help a diverse student population understand a body of content information by carefully answering a critical question to arrive at a main idea answer. Students taught using the content enhancement routines earned higher total test scores than did students taught using the lecture-discussion method.

Personally, I use the Content Enhancement Routines to figure out what I want to say and how I want to say it. It keeps my "Sage on the Stage" time limited to what fits onto 2-3 pages (about 45 minutes of directed class discussion).

This product includes both the completed concept comparison, and the student guide blanked except for vocabulary, scaffolding questions, and graphics already filled in. It includes warm ups, worksheets, and recommended videos for review, and it's is in Microsoft Word .doc form so that Ts can customize the discussion to fit the needs of their Ss.

This Content Enhancement Routine is classroom tested to help students with the following Florida Next Generation Sunshine State Standards in Science:

• SC.912.P.12.1 Distinguish between scalar and vector quantities and assess which should be used to describe an event.
• SC.912.P.12.2 Analyze the motion of an object in terms of its position, velocity, and acceleration (with respect to a frame of reference) as functions of time.
• SC.912.P.12.3 Interpret and apply Newton's three laws of motion.

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