Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
7th Grade- Unit 4
Test Description: Physical science part 1
Instructions: Answer all questions to get your test result.
1) Simple machines make work easier for us by
A
by using computers for the work
B
allowing us to push or pull over increased distances
C
doing all the work for us
D
by using output force to increase input source
2) It is common to call the input the
A
virtual work
B
effort
C
load
D
power
3) It is common to call the output the
A
effort or virtual work
B
force or leverage
C
friction or power
D
load or resistance
4) All six of the simple machines have been used for thousands of years and were identified by
A
Ancient drawings unearthed in ancient Egypt
B
Italian astronomers drawings
C
Isaac Newton’s early documents discovered recently
D
Renaissance scientists’ drawings from Greek texts on technology
5) The first class of simple machines includes
A
pulley, screw, lever
B
lever, pulley, wheel and axle
C
lever, inclined plane, wedge
D
wheel and axle, wedge, screw
6) The second class of simple machines includes
A
lever, pulley, wheel and axle
B
wheel and axle, screw, lever
C
inclined plane, screw, wedge
D
pulley, inclined plane, wedge
7) A biface is?
A
a two-sided wedge
B
a two-sided inclined plane
C
a two-sided screw
D
a two-sided stone tool
8) An inclined plane is?
A
a stiff bar or beam that rests on a support called a hinge or fulcrum
B
a triangular object that lifts and separates heavy objects
C
a slanting surface connecting a lower lever to a higher level
D
simple machine that uses grooved wheels on an axle and a rope
9) Mechanical advantage is?
A
the basic mechanical parts used as the building blocks of most machines
B
the calculation/measure of how much faster/easier a machine makes your work
C
the assembly of bodies connected together to manage forces and movement
D
the ability to act or produce an effect
10) A mechanical system is?
A
any influence that causes an object to undergo a change
B
the measure of the effectiveness with which a system performs
C
the power to accomplish a task that involves forces and movement
D
the shortest distance from the initial to the final position of a point
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?