Complex Machines
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement correctly explains a compound machine?
A compound machine is made up of one or more simple machines
A compound machine is made up of two or more simple machines.
A screw is a type of inclined plane.
None of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The illustration shows a person removing the lid from a crate with a crowbar. Which statement describes the force on the crowbar and the motion of the lid?
As the crowbar is pushed down, the lid moves down.
As the crowbar is pushed down, the lid moves up.
As the crowbar is pulled up, the lid moves down.
As the crowbar is pulled out, the lid moves up.
Tags
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The picture shows a student using a pulley system to raise a flag. Which statement correctly describes the function of this system?
The more force used to pull the string, the more string will be needed to raise the flag.
The more force used to pull the string, the faster the flag will move up the flagpole.
The less force used to pull the string, the greater the distance the flag will move.
The less force used to pull the string, the longer the flag will remain raised.
Tags
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you call a machine made up of two or more simple machines?
complicated machine
compound or complex machine
comprehensive machine
constructive machine
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A complex machine is:
the same as a single simple machine
two simple machine only
two or more simple machines
four simple machine
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two inclined planes together that helps push things apart.
pulley
wedge
gear
lever
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a complex machine?
bicycle
ramp
can opener
wheel barrow
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