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WorksheetsSTEM 7 - Unit 1 Review
Total questions: 23
Worksheet time: 46mins
A computer, with its various components working together to process data, is an example of a ___________.
System
Network
Database
In a quality control system, a sensor helps provide data needed to adjust the system’s ___________.
Feedback
Temperature
Pressure
A company decides to use a less expensive material while sacrificing some product durability. This is an example of a ___________ to cut costs.
Trade-off
Investment
Enhancement
In a remote-controlled car, the joystick acts as a ___________ because it directs the movement of the car.
Control
Battery
Antenna
In a clock, the ___________ is responsible for storing the energy needed to drive the hands of the clock forward.
Spring
Battery
Gear
The wheels of a toy car move in a ___________ motion when it drives straight forward.
Linear
Circular
Zigzag
A seesaw in a playground works with the help of a ___________ to balance and pivot the board.
Lever
Pulley
Spring
A mechanism can consist of multiple mechanical components working together.
True
False
A moveable book is another term for an interactive book.
True
False
Parallel movement involves multiple parts working in tandem to move a single element in an interactive book.
True
False
A washing machine, which consists of multiple parts working together to clean clothes, can be classified as a ___________.
System
Appliance
Machine
In an automated factory, cameras collect data that assist in regulating the ___________ of the production line.
Inputs
Outputs
Speed
When a manufacturer switches to a cheaper material while accepting a slight decrease in quality, they are making a ___________ to reduce expenses.
Trade-off
Compromise
Sacrifice
The handle of a bicycle that directs its direction functions as a ___________ within the bike's design.
Control
Seat
Wheel
A wind-up toy relies on a ___________ to store energy and power its movement.
Spring
Battery
Gear
A piston in an engine moves in a ___________ motion to produce power.
Rotary
Oscillating
Reciprocating
A crowbar utilizes a __________ to provide a pivot point, allowing the user to lift heavy objects more easily.
Pulley
Lever
Screw
Mechanisms often include combinations of various mechanical components working together.
True
False
An interactive book can also be referred to as a moveable book.
True
False
Parallel movement refers to two or more parts moving together to control the same object in an interactive book.
True
False
When a system has no way to measure or control its product, the system is called an ............
subsystem
open-loop system
closed-loop system
A system that has a way of automatically controlling or measuring its output, is called a(n) .....
subsystem
open-loop system
closed-loop system
