***. The Air Car 2 nd Quarter Independent Study 1934.

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Presentation transcript:

***

The Air Car 2 nd Quarter Independent Study

1934

1932 Helicron at Lane Motor Museum

*** _mode=true&persist_safety_mode=1&safe=active Propeller Car in Seattle gl6RCGc&safety_mode=true&persist_safety_mode=1&safe=active Helicron at the Lane Motor Museum

ATTENTION!! It is strongly recommended each student obtain project information from the available handout and NOT by word-of-mouth. WRONG INFO

GOAL 1:Using the instructions provided, design and build an air car that will travel 30 feet and pass through a designated target area.

Materials list Electric motor Propeller 9V battery clip One wire lead with two alligator clips

Materials list Four wheels 1 3/8” diameter with 3/32” tread width Two 9” lengths of 1/8” diameter dowel rod. Four straws 9/64” diameter X 5” length.

Construction requirements The car presented for the final design must include the electric motor, propeller, wheels and dowel rod provided in class. The motor may be connected to a battery however you choose to do so. Any type of tape or glue may be used in the construction of the car.

The following items may NOT be used in the construction of the air car: – Legos, K’NEX or parts from any other construction sets. – Any parts from a car “kit” (e.g. CO 2 car) – Any parts from any type of toy car or model car

Demonstrating Your Car Five attempts to demonstrate your car. Attempts 1- 3 are FREE. Attempt 4 costs 5% of grade – 20 points Attempt 5 costs 10% of grade – 40 points

Attempt 1 Attempt 2 Attempt 3 Attempt 4 Attempt 5 Air Car travels 30 feet through 3 foot target area. 280 points (100 %) Air Car travels 30 feet through 3 foot target area. 280 points (100 %) Air Car travels 30 feet through 3 foot target area. 280 points (100 %) Air Car travels 30 feet through 3 foot target area. 260 points (93%) Air Car travels 30 feet through 3 foot target area. 240 points (86%) Air Car travels 30 feet through 6 foot target area. 224 points (80%) Air Car travels 30 feet through 6 foot target area. 224 points (80%) Air Car travels 30 feet through 6 foot target area. 224 points (80%) Air Car travels 30 feet through 6 foot target area. 204 points (73%) Air Car travels 30 feet through 6 foot target area. 184 points (66%) Air Car travels 30 feet. 196 points (70%) Air Car travels 30 feet. 196 points (70%) Air Car travels 30 feet. 196 points (70%) Air Car travels 30 feet. 176 points (63%) Air Car travels 30 feet. 156 points (56%) Air Car travels 20 feet. 168 points (60%) Air Car travels 20 feet. 168 points (60%) Air Car travels 20 feet. 168 points (60%) Air Car travels 20 feet. 148 points (53%) Air Car travels 20 feet. 128 points (46%) Air Car does not meet minimum performance or construction standards. 140 points (50%) Air Car does not meet minimum performance or construction standards. 140 points (50%) Air Car does not meet minimum performance or construction standards. 140 points (50%) Air Car does not meet minimum performance or construction standards. 120 points (43%) Air Car does not meet minimum performance or construction standards. 100 points (36%)

IMPORTANT NOTICE If on the scheduled day the project is due a student is absent due to a field trip, in-school performance, out of school trip, etc. then the student must demonstrate the car for a final grade the day before.

IMPORTANT NOTICE If a student is on a preplanned absence (i.e. vacation, surgery) the day the project is due then the car must be demonstrated the last day the student is in school before the absence begins.

IMPORTANT NOTICE If an unplanned absence (i.e. illness) occurs on presentation day, the project will be presented on the students’ first day back from the absence. Students may need to make alternate transportation arrangements for presentation before or after school.

Goal #2: Students will submit either a poster or a PowerPoint as part of their Independent Study.

PowerPoint or Poster Labeled digital photograph(s) of car Sequence of energy conversions (flow chart)

Potential Gravitational The ball starts at the top of the hill. Kinetic Mechanical The ball begins rolling down the first hill. Potential Gravitational The ball gains gravitational energy as it rolls up the smaller hill. Kinetic Mechanical The ball begins rolling down the second hill. Kinetic Sound The ball emits sound as it moves. Kinetic Heat There is friction between the ball and the surface. Kinetic Sound The ball emits sound as it moves. Kinetic Heat There is friction between the ball and the surface.

Extra credit options You may earn up to 10% extra credit. Testing car on scheduled testing day (+5%) Submitting completed poster or PowerPoint early (+5%)

Submitting completed poster or PowerPoint early All parts must be completed. Minimum three 4s and one 3

Project Schedule Car testing for 5% bonus November Days to turn in completed poster/PowerPoint for 5% bonus December 1-3 rd Final date to submit poster/PowerPoint December 10 th