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Practice for Q1 Exam...

Total questions: 130

Worksheet time: 2hrs 4mins

Name
Class
Date
1.

In which step would you draw a diagram and make a materials list?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

2.

During which step would you identify the constraints of the project?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

3.

After you have evaluated your test of the product, you decide that it needs modifying for a better result. Which step of the process is this?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

4.

You and your team have identified a problem that you would like to solve. Which step of the

design process is this?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

5.

Your thinking there has got to be a better way to feed your cat! Maybe I can make an automatic cat feeder. Which step of the engineering design process is this?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

6.

Once you have built your prototype, what step comes next?

a)

Ask/Define Problem

b)

Imagine/brainstorm

c)

Plan

d)

Create

e)

Improve

7.

The team came up with an idea to try and come up with a way to get clean water to the village.

What should they do next?

a)

draw a diagram of the prototype

b)

build the prototype

c)

research and brainstorm

d)

make a materials list

8.

Convert 2,456 g to kg

a)

2.456 kg

b)

2.456 g

c)

2.456 m

d)

2.5 kg

9.

Convert 3,567 in to m

a)

90.60 m

b)

90.60 cm

c)

9.060 m

d)

9,060 m

10.

(6 x 10-8) - (4 x 10-8)

a)

1.6 x 108

b)

2 x 10-8

c)

3 x 106

d)

4.73 x 10-4

11.

(6 x 1010) / (2 x 104)

a)

1.6 x 108

b)

2 x 10-8

c)

3 x 106

d)

4.73 x 10-4

12.

Solve the equation for x

a)

zy = x

b)

z/y = x

c)

y/z = x

13.

Solve the equation for b

a)

a / c = b

b)

c / a = b

c)

ca = b

14.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
15.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
16.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
17.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
18.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
19.
What is 0.658 rounded to 1 significant figure?
a)
0
b)
0.66
c)
0.6
d)
0.658
20.

Determine the number of Significant Figures in 506020 km.

a)

5

b)

4

c)

3

d)

2

21.

Determine the number of Significant Figures in 13410000 m.

a)

4

b)

3

c)

2

d)

1

22.
calculate the following to the correct number of sig figs.
0.00401  x  2.00  x  501
a)
4.02
b)
4
c)
4.0
d)
4.0180
23.
calculate the following to the correct number of sig figs.
13.2017/ 17.10
a)
.772
b)
.7720
c)
.772030
d)
.77
24.
calculate the following to the correct number of sig figs.
32.451 - 21.5
a)
11.0
b)
10.951
c)
11
d)
10.95
25.

Imagine this: You're lounging on your couch, watching your favorite show, when you suddenly realize your feline friend is out of food again! You think, 'There must be a more efficient way to keep my kitty's tummy full. What if I create an automatic cat feeder?' Which step of the engineering design process does this thought belong to?

a)

Ask/Define Problem

b)

Imagine/Brainstorm

c)

Plan

d)

Create

e)

Improve

26.

Imagine you're part of a super cool team with a thrilling challenge to build a car powered by nothing but a balloon! You've had a brainstorming session, sketched out a fantastic diagram, and gathered all the materials you need. What exciting step comes next?

a)

Enhance their already awesome design

b)

Bring their idea to life by creating a prototype and testing it

c)

Identify the problem

d)

Take a sneak peek at what the other teams are up to

27.

Match the following to the correct number of significant figures

a)

2.0060

1.

5 sig figs

b)

28.10

2.

4 sig figs

c)

200,567

3.

6 sig figs

d)

9.48 x 104

4.

3 sig figs

e)

0.00038

5.

2 sig figs

28.

Imagine you're a scientist and you've just discovered a new substance that weighs exactly 5 kg. How much would that be in grams?

a)

5,000 g

b)

500 g

c)

50 g

d)

0.005 g

29.

Imagine you're a space explorer and you've discovered a new planet. The planet's distance from its star is 1234.567 light years. Can you round this distance to four significant figures to report back to Earth?

a)

1234

b)

1235

c)

1234.6

d)

1234.57

30.

Match the following

a)

Prototype

1.

Making a test model that contains only the important design features.

b)

Test

2.

Seeing if the solution works.

c)

Communicate

3.

To share information with others, discuss.

d)

Redesign

4.

To make a revision or change to your original design.

31.

Imagine you're a designer and you've just created a simple model to test out your design. What would you call this model?

a)

A blob of protoplasm

b)

An ancient archetype

c)

A handy prototype

d)

A tiny proton

32.

When finding the solution to an engineering design problem, there is/are usually…

a)

only one possible correct solution

b)

a very limited number of possible correct solutions

c)

many possible correct solutions

33.
NASA wonders if there is life on Saturn's moon
a)
Engineering Design Process
b)
Scientific Method
34.
NASA wants to build a probe that will study Saturn?
a)
Engineering Design Process
b)
Scientific Method
35.

A person who designs any of a variety of things to solve practical problems, using science, technology, and math.

a)

Engineer

b)

Prototype

c)

Problem Solving

d)

Brainstorming

36.

Of criteria and constraints, which one includes the desired functions and features of the solution?

a)

criteria

b)

constraints

37.
What is the process of giving up some benefits in one aspect of a design in order to gain benefits in another aspect?
a)
Trade-off
b)
Prototype
c)
Iteration
d)
Feedback
38.
What are the limitations or restrictions that must be taken into account during the design process?
a)
Criteria
b)
Prototype
c)
Iteration
d)
Constraints
39.

What are the specific requirements that a design must meet to be considered successful and solve the problem?

a)
Model
b)
Iteration
c)
Criteria
d)
Prototype
40.
What is the process of examining and interpreting data or evidence to draw conclusions?
a)
Trade-off
b)
Analysis
c)
Prototype
d)
Iteration
41.

If your prototype does not work the first time you try it you should give up.

a)

True

b)

False

42.

What is the main purpose of the Engineering Design Process?

a)

to get rich

b)

create a product that solves a problem

c)

fill out lots of paperwork

d)

world peace

43.

An engineer is trying to design a phone case, but only has two months to do so. Having two months would be a

a)

Criteria

b)

Constraint

44.

________________ are limitations on the project such as budget, materials and time.

a)

prototype

b)

constraints

c)

client

d)

problems

45.

Chemical Engineer, Civil Engineer, Electrical Engineer, Mechanical Engineer, Aerospace Engineer are all types of engineers.

a)

True

b)

False

46.

Which of these numbers is the smallest?

a)

3.5 x107

b)

3 x108

c)

5 x107

d)

5.5 x106

47.

How is the following number written in scientific notation?

450,000

a)

4.5  x  105

b)

45  x  105

c)

4.5  x  104

d)

4.5  x  106

48.

How is the number below written in scientific notation?

0.000398

a)

39.8  x  10-5

b)

3.98  x  10-5

c)

3.98  x  10-4

d)

39.8  x  10-6

49.

Which of the following is the correct way to write 3.97  x  10-2 in standard form?

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

50.

Which is the correct way to write the number 3.5 x 106  in standard notation?

a)

0.0000035

b)

35,000,000

c)

3,500,000

d)

0.00000035

51.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
52.

What unit of measurement is the biggest?

a)

Millimeters

b)

Meters

c)

Kilometers

d)

Centimeters

53.

6.45 cm = __________ mm

a)

645 mm

b)

64.5 mm

c)

0.654 mm

d)

6450 mm

54.

Which unit of measurement is the smallest?

a)

Millimeters

b)

Kilometers

c)

Centimeters

d)

Meters

55.

The base unit for length in the metric system.

a)

Meters

b)

Base Units

c)

Metric System

d)

Conversion Factor

56.

The rule used to change from one unit of measurement to another.

a)

Meters

b)

Base Units

c)

Metric System

d)

Conversion Factor

57.

"KILO" means: (a)  

Choose from the below words
1,000
10
100
1/1000
58.

The SI unit for volume is.....

a)

grams

b)

meters

c)

pounds

d)

liters

e)

ounces

59.

What is the opposite (inverse) of subtracting 4?

b-4=12

a)

Adding 4

b)

Multiplying by 4

c)

Dividing by 4

60.

3+x=19

What is the first step?

a)

Add 3 to both sides

b)

Subtract 3 from both sides

c)

Multiply by 3 on both sides

d)

Divide by 3 on both sides

61.
A letter or symbol that represents an unknown value is called ______________.
a)
Variable
b)
Radicand
c)
Coefficient
d)
Constant
62.

There is a denominator of one for every number.

a)

3 = 1/3

b)

3 = 3/1

c)

3 = 3

63.

There is a multiplication sign between every coefficient and variable.

a)

2y = 2/y

b)

2y = 2 ×\times y

c)

2y = 2 + y

64.

Entropy is a measure of

a)

accuracy

b)

precision

c)

the disorder of a system

d)

the attraction of a nucleus for an electron

65.

Which room has higher entropy?

a)
b)
66.

What is energy?

a)

The ability to do work

b)

The ability of a system to do work or produce heat.

c)

The capacity to change matter

d)

All are correct

67.

What is the Standard metric unit used for measuring Energy.

a)

Joule (J)

b)

Meter (m)

c)

Newton (N)

d)

MegaPhoton

68.

The total amount of all energy in the universe is ________.

a)

slightly increasing

b)

slightly decreasing

c)

always the same

d)

always zero

69.

What type of energy is stored in Coal?

a)

chemical

b)

nuclear

c)

elastic

d)

gravitational potential

70.
___________ energy can move through empty space.  
a)
Sound 
b)
Nuclear 
c)
Electromagnetic 
d)
Chemical 
71.
This is the energy that can be released by breaking the bonds between compounds. 
a)
electromagnetic
b)
nuclear 
c)
kinetic 
d)
chemical 
72.

What type of energy do we get from the food we eat?

a)

light

b)

thermal

c)

chemical

d)

sound

73.

Which type of energy does a wind-up toy use?

a)

A. mechanical

b)

B. light

c)

C. thermal

d)

D. sound

74.

What type of energy is stored in batteries or food?

a)

Potential energy

b)

Thermal energy

c)

Chemical energy

d)

Mechanical energy

75.

Energy is defined as the ability to do

a)

events

b)

friction

c)

explosions

d)

work

76.

A stretched rubber band has _____________________ potential energy.

a)

gravitational

b)

chemical

c)

elastic

d)

electrical

77.

What is energy?

a)

The ability to do work and cause change

b)

A push or a pull

c)

a structure inside of an animal

d)

a pathway

78.

Thermal energy is a type of

a)

Potential energy

b)

Kinetic energy

79.

Sunlight, microwaves, and gamma rays are all examples of

a)

Electromagnetic energy

b)

magnetic energy

c)

electrical energy

d)

chemical energy

80.

Energy is a physical quantity that cannot be ______________ or destroyed.

a)

Transformed

b)

Created

c)

Lost

d)

Changed

81.

Energy choice impacts the quality of an individual and society by ......

a)

Impacting national security

b)

Impacting environmental quality

c)

Impacting economic systems

d)

Impacting natural resource production and consumption

e)

All answers are correct.

82.

Which energy source has been (and continues to be) the most widely used to produce electricity?

a)

Coal

b)

natural gas

c)

hydroelectric

d)

nuclear

e)

renewable

83.

Based on the graph below, has the ball on the hill started rolling?

a)

No because the potential energy is greater than the kinetic energy

b)

Yes, because there is some kinetic energy

c)

It’s impossible to know from this graph.

84.

At which point of the pendulum's swing would it have 100% potential energy?

a)

A

b)

B

c)

C

85.

At which point of the pendulum's swing would it have 100% kinetic energy?

a)

A

b)

B

c)

C

86.

At which point of the pendulum's swing would it have half potential and kinetic energy?

a)

A

b)

B

c)

C

87.

Which is the correct bar graph for your balls energy near the bottom of the hill.

a)
b)
c)
88.

What is the energy conversation that takes place in a biomass fueled power plant?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Radiant → Electrical

89.

What is the energy conversation that takes place in a wind turbine?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Radiant → Electrical

90.

What is the energy conversation that takes place in a hydroelectric power plant?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Radiant → Electrical

91.

What is the energy conversation that takes place in a nuclear power plant?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Radiant → Electrical

92.

What is the energy conversation that takes place in a geothermal power plant?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Radiant → Electrical

93.

What is the energy conversation that takes place in a solar panel?

a)

Chemical → Thermal → Mechanical → Electrical

b)

Mechanical → Electrical

c)

Nuclear → Thermal → Mechanical → Electrical

d)

Thermal → Mechanical → Electrical

e)

Electromagnetic radiation (radiant) → Electrical

94.

Which energy sources produce NO greenhouse gases? check all that apply.

a)

Biomass

b)

Wind

c)

Hydroelectric

d)

Geothermal

e)

Solar

95.

Which energy sources require large amounts of land?

Check all that apply.

a)

Biomass

b)

Wind

c)

Hydroelectric

d)

Solar

96.

Which energy sources require a unique environment?

Check all that apply.

a)

geothermal

b)

Wind

c)

Hydroelectric

d)

Solar

97.

Which energy sources require a unique climate?

Check all that apply.

a)

geothermal

b)

Wind

c)

Hydroelectric

d)

Solar

98.

What is the potential energy of a 1.0 kg book that is placed on a shelf that is 2.5 m high?

a)

25 J

b)

24.5 J

c)

2.5 J

d)

2 J

99.

What is the potential energy of a 2 kg potted plant that is on a 3m high plant stand?

a)

60 J

b)

600 J

c)

58.8 J

d)

58 J

100.

Gravitational potential energy depends on which two factors?

a)

mass and height above the ground

b)

distance and speed

c)

speed and height above the ground

d)

mass and speed

101.

What does conservation of energy mean?

a)

Total energy increases

b)

Total energy decreases

c)

Total energy stays the same

102.

What has to be true about an object for it to have kinetic energy?

a)

it must be moving

b)

it must be elevated

c)

it must be experiencing a net force

d)

it must be accelerating

103.

What is the formula for mechanical energy?

a)

EP = Ek + Em

b)

ME = gv + (1/2)hm2

c)

ME = Ek + Ek

d)

ME = 0.5mv2 + mgh

104.

As mass increases, Kinetic Energy ___________

a)
increases
b)
decreases
c)
stays the same
105.

Which has a greater impact on Kinetic Energy?

a)
mass
b)
velocity
106.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

107.

How could you increase the object's gravitational potential energy (GPE) without changing its distance from the ground (height) and gravity?

a)

Decrease the object's mass

b)

Increase the object's height

c)

Increase the object's mass

d)

Decrease the object's height

108.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

109.

What is the value of the Earth's acceleration due to gravity (g)?

a)

9.8 m/s2

b)

100 m/s2

c)

25 m/s2

d)

3.14 m/s2

110.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
111.

In what direction does heat flow on its own spontaneously?

a)

Heat flows spontaneously from HOT objects to COLD objects.

b)

Heat flows spontaneously from COLD objects to HOT objects.

c)

Heat does not flows spontaneously

112.

Open System

a)

a system in which exchanges of matter or energy occur across system boundaries

b)

A result of a force moving an object a certain distance. (force * distance)

c)

SI unit of energy

d)

A form of potential energy that is stored in chemical bonds between atoms.

113.

electromagnetic energy

a)

A form of energy that travels through space as waves (visible light and other form of electromagnetic radiation).

b)

A system is an object or collection of objects defined as those being studied.

c)

The ratio of the amount of energy expended in the form you want to the total amount of energy that is introduced into the system

d)

the law that states that energy cannot be created or destroyed but can be changed from one form to another

114.

kinetic energy

a)

energy of motion

b)

A system in which no matter is allowed to enter or leave

c)

Potential energy that depends on the height of an object

d)

A system is an object or collection of objects defined as those being studied.

115.

electrical energy

a)

Energy caused by the movement of electrons.

b)

SI unit of energy

c)

A form of energy that travels through space as waves (visible light and other form of electromagnetic radiation).

d)

A form of potential energy that is stored in chemical bonds between atoms.

116.

Elastic Energy

a)

potential energy of an object that is stretched or compressed

b)

The ratio of the amount of energy expended in the form you want to the total amount of energy that is introduced into the system

c)

the law that states that energy cannot be created or destroyed but can be changed from one form to another

d)

the rate at which work is done

117.

System

a)

A system is an object or collection of objects defined as those being studied.

b)

A result of a force moving an object a certain distance. (force * distance)

c)

a system in which exchanges of matter or energy occur across system boundaries

d)

potential energy of an object that is stretched or compressed

118.

nuclear energy

a)

The potential energy stored in the nucleus of an atom

b)

the law that states that energy cannot be created or destroyed but can be changed from one form to another

c)

The ratio of the amount of energy expended in the form you want to the total amount of energy that is introduced into the system

d)

potential energy of an object that is stretched or compressed

119.

energy efficiency

a)

The ratio of the amount of energy expended in the form you want to the total amount of energy that is introduced into the system

b)

A result of a force moving an object a certain distance. (force * distance)

c)

stored energy

d)

a system in which exchanges of matter or energy occur across system boundaries

120.

potential energy

a)

stored energy

b)

Energy caused by the movement of electrons.

c)

A form of energy that travels through space as waves (visible light and other form of electromagnetic radiation).

d)

the rate at which work is done

121.

What determines whether or not an energy sources is efficient?

a)

The amount of energy "lost" during transitions determines efficiency. The less energy that is changed to heat, the more efficient the source.

b)

the amount of energy created. If more energy is created from the amount of starting energy.

c)

If the energy sources is less expensive.

d)

If the energy source is good for the environment.

122.

A toy car resting at the top of a ramp will be storing _________ energy.

a)

potential

b)

sound

c)

nuclear

d)

kinetic

123.

Potential energy and kinetic energy are inversely related. As one value increases the other will decrease.

a)

True

b)

False

124.

Energy conversion

a)

Changing from one form of energy to another

b)

Anything that does not interact with its surroundings

c)

The ability to do work

d)

Present int objects that are in motion

125.

A 75.0 kg boy went jogging. He ran at a rate of 4 m/s. How much kinetic energy did he have?

a)

600 J

b)

1920 J

c)

240 J

d)

1900 J

126.

Calculate the kinetic energy of a 10 kg hot dog dog running with a velocity of 2 m/s.

(a)  

127.

Calculate the gravitational potential energy of the gymnast (50 kg) when she jumps 2 meters above the ground. Round to the correct number of sig figs.

(a)  

128.

Calculate the kinetic energy of a 2 kg skull moving at a velocity of 2 m/s.

a)

4 J

b)

400 J

c)

8 J

d)

2 J

129.

Calculate the gravitational potential energy of a 15 kg kid at the top of the stairs 4 m up.

a)

600 J

b)

500 J

c)

5 J

d)

60 J

130.

“There is no such thing as ‘cold.’ There is just the absence of heat.”

Is this statement true or false?

a)

True

b)

False

c)

¯\_(ツ)_/¯

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127 questions

Bài KT

quiz

Worksheet

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9th - 12th Grade

quiz

127 questions

quiz

quiz

Worksheet

•

9th - 12th Grade