Students are working in stations to learn about simple machines. If you were absent today, you can do the computer station at home and do another station at school. All stations must be completed at school by Wed. morning. You can come in at 8:30 to finish or work on a station. Print this as a pass.
Download Simple machine webquest
http://www.edheads.org/activities/simple-machines/
Our test will be on Friday, 12/16. To help study, make flash cards with the vocabulary words in Ch. 8.
Ch. 8 Work and Machines Matching- Write a capital letter in the space provided.
A. watt
B. machine
C. work
D. mechanical efficiency
E. pulley
F. power
G. work input
H. wheel and axle
I. work output
J. mechanical advantage
K. joule
L. compound machine
M. lever
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_____ 1. comparison of a machine’s work output with work input
_____ 2. product of the input force and distance through which it is
exerted
_____ 3. machine with a bar that pivots on a fixed point
_____ 4. product of the output force and the distance through
which it is exerted
_____ 5. unit used to express power
_____ 6. device that makes work easier by changing the size
or direction of a force
_____ 7. unit used to express energy
_____ 8. machine with two circular devices of different sizes
_____ 9. machine made of two or more simple machines
_____ 10. transfer of energy that causes an object to move in the
direction of the force
_____ 11. the rate at which work is done or energy is transformed
_____ 12. number of times a machine multiplies force