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| When conducting an experiment, only one __________________ variable is changed at a time, while the other variables are kept constant. |
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The performance of a motor depends on the _________________ of the batteries supplying energy for its operation. |
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Motors exert ___________ and the forces can be measured. |
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Term
A scientific experiment has both manipulated and _________________________ variables. |
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Valid conclusions are based on experimental ______________. |
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The three manipulated variables in Inquiry 7.1 were: |
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Definition
- number of batteries
- arrangement of batteries (series vs. parallel)
- pulley vs. nail. (diamenter of shaft)
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Term
| What is the total voltage of 3 batteries connected in series if each battery is rated at 1.5 volts? |
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| What is the total voltage of 4 batteries connected in parallel if each battery is rated at 1.5 volts? |
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Term
Which provides more force?
Wrapping the string around the nail or wrapping the string around the pulley? |
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Definition
| Wrapping the string around the nail. |
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Term
Which arrangement of batteries allowed the motor to exert more force?
Series or parallel? |
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Definition
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Term
Which arrangement of batteries would last longer?
3 D size batteries connected in series
or
3 D size batteries conneceted in parallel |
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Definition
| 3 D size batteries connected in parallel. |
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