LEARNING TARGET: I Can Build Mechanisms with Many Variations to Solve Problems

LESSON PLANS

7THGRADE STEM

WEEK OF FEB 21ST – 24

TUESDAY, FEB. 21ST

LEARNING TARGET: I can build mechanisms with many variations to solve problems.

BELL RINGER: Students will describe the mechanical advantage of a lead screw

BEFORE: Teacher will go over the answers to the bell ringer to check for understanding.

DURING: Students will watch a short power point presentation on the rack and pinion.

AFTER: Students will work in groups to build the rack and pinion and work individually to build the lead screw without a guide.

ASSESSMENT: Building assemblies in groups and individually: lead screw and rack and pinion.

WED, FEB. 22ND

LEARNING TARGET: I can build mechanisms with many variations to solve problems.

BELL RINGER: Students will describe the mechanical advantage of the rack and pinion.

BEFORE: Teacher will go over the answers to the bell ringer to check for understanding.

DURING: Students will watch a short power point on the universal joint.

AFTER: Students will work in groups to build the universal joint and work individually to build the rack and pinion.

ASSESSMENT: groups and individual assemblies of universal joint and rack and pinion.

THURSDAY, FEB. 23RD

LEARING TARGET: I can build a mechanism with many variations to solve problems.

BELL RINGER: Students will describe the mechanical advantage of the universal joint.

BEFORE: Teacher will review the answers to the bell ringer to check for student understanding.

DURING: Students will watch a short power point on the cam and follower

AFTER: Students will work in groups to build the cam and follower and work individually to build the universal joint.

ASSESSMENT: individual and group assemblies of universal joint and cam and follower.

FRIDAY, FEB. 24TH

LEARNING TARGET: I can build a mechanism with many variations to solve problems.

BELL RINGER: Students will describe the mechanical advantage of the cam and follower

BEFORE: Teacher will go over the answers to the bell ringer to check for understanding.

DURING: Students will watch a short power point on crank and slider

AFTER: Students will work in groups to build the crank and slider

ASSESSMENT: group builds of crank and slider.