2. Test a
Ball
PROBLEM: What can your ball do?
PREDICT: What do you think will happen?
TEST AND OBSERVE: Follow these steps and write down
your observations.
1. Do a bounce test. How high can your ball bounce?
2. Do a stretch test. Pull on your ball with both hands to
see how far it will stretch?
3. Do a strength test. Roll the plastic and stretch it across
two chairs. Have someone hold each
end. See how many paper clips you can hang from the strand
without breaking it.
CHALLENGE: Plastic can be molded into many shapes.
Create a new shape for this ball of plastic?
CONCLUSION: What did you learn? You will write a conclusion
statement in the classroom.
If you would like any information on these
or other collaborative programs send mail to kskrutvold@uswest.net.