Worksheetsopen and closed
Total questions: 22
Worksheet time: 42mins
Name
Class
Date
1.
A system can be defined as
a)
A collection of parts that work together to complete a purpose
b)
A system
c)
A piece of a whole
d)
A group that individually does work
2.
What types of systems are there?
a)
Mechanical and Electrical Systems
b)
Inside and Outside Systems
c)
Open and Closed Systems
d)
Human and Machine Systems
3.
What steps or process is required in order for a system to work
a)
Engineering and Design Process
b)
Stairs
c)
Construction Process
d)
Input, Process, Output, Feedback
4.
Closed systems do or do not need human intervention
a)
Does
b)
Does not
5.
This question has a time limit of 15 minutes. Do you want to wait 15 minutes or answer quickly and get 1000 points
a)
Choose this answer for 1000 (or 990) points
b)
I'll wait
6.
This type of system does not interact with the world around it. It does all the work by itself
a)
Closed System
b)
Open System
7.
This type of system requires interaction with the environment around it
a)
Closed System
b)
Open System
8.
A computer is an example of what type of system
a)
Closed System
b)
Open System
9.
A boiling pot of water on a stove is what type of system
a)
Closed System
b)
Open System
10.
A boiling pot with a lid on it to keep in the energy is what type of system
a)
Closed System
b)
Open System
11.
A microwave is a(n)....
a)
Open system
b)
Closed system
c)
System
d)
potato
12.
A thermostat is a(n).....
a)
Open system
b)
Closed System
c)
System
d)
Idiot
13.
A refrigerator is a(n).....
a)
none
b)
open system
c)
both
d)
closed system
14.
What is the definition of an open system?
a)
A system that does require human intervention.
b)
A system that does not require human intervention.
15.
Who is the best soccer player of all time?
a)
Christiano Ronaldo
b)
Pele
c)
Neymar
d)
Micheal Jordan
16.
3(15)(7)/ 3
a)
45
b)
315
c)
105
d)
125
17.
Tom went to the store and bought chairs. Each chair cost 5 dollars. How much money did Tom spend for the 4 chairs he bought?
a)
$20
b)
$1
c)
$15
d)
$10
18.
Tom went to the store and bought chairs. Each chair cost 5 dollars. How much money did Tom spend for the 4 chairs he bought?
a)
$20
b)
$1
c)
$15
d)
$10
19.
Santa's elves made 5 toys for each house on Main Street that Santa would visit. There are 5 houses on Main Street. How many toys in all did the elves make then?
a)
15
b)
9
c)
20
d)
25
20.
Page 117: What is an example of complex technology?
a)
a zipper
b)
a spoon
c)
a cell phone
d)
a candle
21.
p. 118 no. 8: Why do engineers need to know about new discoveries in science?
a)
to get a job
b)
to communicate better
c)
to pass exams
d)
new science discoveries lead to solutions to problems
22.
p. 118 no. 8: Why do engineers need to know about new discoveries in science?
a)
to get a job
b)
to communicate better
c)
to pass exams
d)
new science discoveries lead to solutions to problems
100 %
