Pendulum
What is not a variable in the pendulum system?
A. Length of Pendulum
B. Mass at the end of the Pendulum
C. Time of Day
D. Release Position
C. Time of Day
What does not effect the number of pennies to sink a boat?
A. Capacity of the Boat
B. Arrangement of the pennies
C. Size of the Boat
D. Shape of the basin
D. Shape of the basin
What does it mean to control a variable?
Change only one thing at a time.
What does dependent variable mean?
It the outcome, what we find out doing the experiment.
If a grandfather clock is running too slow, what can we do to make it go faster?
Make the pendulum string shorter
The smaller the capacity of the boat, the.....
The less passengers.
To improve the accuracy of an experiment, you should measure with _____ units.
Smaller
What 5 things are included in our pendulum system?
What is important in the boat experiment that everyone does the same when test passengers?
Placing the pennies the same way.
Say I have 4 race cars with two different wheels and two different tops. I want to test out if wheel sizes effects the results. What kinds of cars should I test?
Cars with the different wheels and same tops.
The longer the pendulum.....
The less swings.
3
I want to test out if the shape of a flower pot changes how a flower grows. How should I run my experiment? (Think pots and flowers)
Two different flower pots, but the same flower.
The more swings.
What is the independent variable in the boat experiment? What did we know at the start?
Capacity of the boat
On the pendulum graph, how do I know if I need to retest a swinger?
If two swinger that are different lengths have the same number of swings. Or if a longer swinger has more swings then a shorter one.