Criteria

• The Court is marked with a line 24” from the basket (1 point), a line 42” from the basket (2 points), and a line 60” from the basket (3 points).

• The backboard is 12” wide and 7” high. The rim is 14” high and has a diameter of about 4”.

• The marshmallow launcher must fit within a 1’x1’ footprint.

• The energy source (rubber band) must be attached to the device.

• The design must be accessible by all persons, easy to use, flexible in use.

Constraints

• TIME

• MONEY

• SPACE

• MATERIALS

EXPLORING POSSIBLITIIES:

Brainstorming Idea

                              Pluses                                                               Minuses

                        What is good about it?                                           WHAT'S BAD ABOUT IT?

sKETCH 1              IT HAS A SPRING LIKE STRUCTURE                                 IT DOESN’T HAVE AN MOMENTUM

SKETCH 2              HAVE A TRIANGLE STRUCTURE                                      DOESN’T HAVE ANYTHING TO SPRING IT FAR ENOUGH

SKETCH 3              HAS A WEIGHT TO RELEASE TO CAUSE THE BALL TO GO FAR       DOESN’T MEET ALL CRITERIA

 

SELECTING AN APPROACH:

 

                                Sketch 1           Sketch 2        Sketch 3     Sketch 4     Sketch 5

15 Craft Sticks                3                    1                 2              2             3

TIME                              2                    2                 3              3             3

SPACE                            3                     3                 2              1             2

MONEY                           2                      1                3               3            1

5 RUBBER BANDS               2                       1               2               3             1

Total:                          12                     8                12              12           10

PROPOSAL: Materials

             Paper roll  1

             Popsicle sticks  15

             Rubber bands   5

             Spoon  1

             glue 1