Why don\u2019t we use
just one type of material for tennis balls, baseballs, and golf balls? Since each
ball must behave differently in play, the material making up each one must be
different, too. In this experiment, you will characterize how different
materials behave when they are dropped. <\/p>\n
You
will consider two variables\u2014drop height and bounce height\u2014to try to determine
how drop height affects bounce height. You probably understand that a higher
drop height will result in a higher bounce height, but in this experiment, your
objective is to find out how one affects the other. For example, is the bounce
height equal to 100% of the drop height or 50% of the drop height? Does the
relationship change at different heights? <\/p>\n
The
way the ball bounces says a lot about matter and energy. The fact that the ball
drops at all shows that a force is pulling it toward the ground. The bounce
tells you something about that force. It also tells you about the matter that
makes up the ball and the surface it bounces on. The matter that composes the
ball must store the energy on impact and then release the energy in a way that
allows the ball to bounce. <\/p>\n
This
lab will be done in a virtual lab environment. In this environment, great care
has been taken to insure that all of the objects behave as they would in an
actual lab. While some effects are not re-created, such as an orange bruising
if dropped from a great height, all results are scientifically accurate and
vary as they would in an actual lab setting.
Answer the questions. When you are finished, submit
this assignment to your teacher by the due date for
full credit. <\/p>\n
Note:
As this is the first lab, you will have an opportunity to revise and resubmit
the assignment for a higher grade in the Drop and Bounce Revisited lab. <\/p>\n
1. \u00a0Write the goal of the lab or the question you tried to
answer.
2.Which
observations, experience, or lesson material helped you form your hypotheses?
3.\u00a0\u00a0Predict how your graph will show a relationship
between drop and bounce.\u00a0 <\/p>\n
Answer: <\/p>\n
Type of ball <\/p>\n
golf ball <\/p>\n
Hypothesis <\/p>\n
Type of ball <\/p>\n
plastic ball <\/p>\n
Hypothesis <\/p>\n
Type of ball <\/p>\n
rubber ball <\/p>\n
Hypothesis <\/p>\n
Type of ball <\/p>\n
clay ball <\/p>\n
Hypothesis <\/p>\n
1.\u00a0 Use the data from your experiment to complete this
data table. <\/p>\n
Answer: <\/p>\n
Type of ball <\/p>\n
Drop height (cm) <\/p>\n
Bounce height (cm) <\/p>\n
golf ball <\/p>\n
0 <\/p>\n
0 <\/p>\n
20 <\/p>\n
40 <\/p>\n
60 <\/p>\n
80 <\/p>\n
100 <\/p>\n
plastic ball <\/p>\n
0 <\/p>\n
0 <\/p>\n
20 <\/p>\n
40 <\/p>\n
60 <\/p>\n
80 <\/p>\n
100 <\/p>\n
rubber ball <\/p>\n
0 <\/p>\n
0 <\/p>\n
20 <\/p>\n
40 <\/p>\n
60 <\/p>\n
80 <\/p>\n
100 <\/p>\n
clay ball <\/p>\n
0 <\/p>\n
0 <\/p>\n
20 <\/p>\n
40 <\/p>\n
60 <\/p>\n
80 <\/p>\n
100 <\/p>\n
(6 points) <\/p>\n
Score <\/p>\n
2.\u00a0 Graph your data.
a.\u00a0 Plot each ball on this grid.
b.\u00a0 Use a different symbol for each ball.
c.\u00a0 Make a key so that you are able to
tell the plots apart.
Answer:
1.\u00a0 Did your data agree with your hypotheses? Explain. <\/p>\n
Answer: <\/p>\n","protected":false},"excerpt":{"rendered":"
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