STEM 7 - Unit 1 Review

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