NEW
Font size
WorksheetsScience Unit 2 Test
Total questions: 20
Worksheet time: 5hrs 0mins
Engineers must build a model of a design to find out how well it actually works. What is another word for this model?
prototype
design
product
What is meant by the word design?
to take plans and drawings and make a prototype using them
to take materials such as wood and metal and shape them into something
to conceive an idea and prepare plans and drawings for it to be built
A cellular phone is designed to help people communicate. How would a cellular phone be classified?
as a system
as a process
as a product
Metersticks, screwdrivers, and calculators are all used to shape, build, or produce other things. How can these objects be grouped?
as tools
as systems
as processes
Trains, railways, and safety signals at rail crossings all work together to move goods and people from place to place. What do all of these parts make up?
a design
a process
a system
What is the first step a student should take when designing a new boat?
Identify needs the boat will meet.
Build a test model of the boat.
Test the design.
Mr. Sharpe is concerned because the old wooden steps outside his house are becoming loose. He wants to design a safer set of steps. What should Mr. Sharpe do first?
record test data
build a prototype
brainstorm solutions
Every technology has some risks. For example, cars cause some types of air pollution. Which best shows technology and its risk?
cell phones: air pollution
light bulbs: wrist injuries
computer games: less exercise
Roads, sidewalks, traffic signs, and cars work together to move people and goods from place to place. What is this an example of?
a product
a system
a process
Errol wants to design and build a structure that will protect tomato plants from heavy rains while still letting in sunlight. He comes up with four ideas. Which one would best help him meet his design goal?
a wooden case
a clear plastic box
a cardboard covering
Seatbelts are an important part of today’s automobile designs, but the earliest automobiles did not have them at all. Why is a seatbelt an example of technology?
It is used in automobiles.
It has several different parts.
It is designed to meet a need.
What word means the use of scientific and mathematical principles to develop something practical?
engineering
prototype
blueprint
_______________ is a series of steps used to achieve a goal or make a product.
A technology process
A technology system
A technology product
_________________ is anything that helps people shape, build, or produce things to meet their needs.
Technology
Engineering
A tool
Which is an example of a technology process?
A series of steps to tie your shoelaces
A book
A bike
Which is the correct order of the parts of a designed system?
input, goal, processes, output, feedback
goal, input, processes, output, feedback
processes, goal, input, output, feedback.
True or False, anyone can invent or improve a technology product or process
true
false
True or False, negative feedback helps people think of ways to improve technology?
true
false
True or False, technology is always good?
true
false
True or False, technology is always complex.
true
false
