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HHE, F&M, & MF Review

Total questions: 131

Worksheet time: 4hrs 10mins

Name
Class
Date
1.

What is the major question we are trying to solve in this unit?

a)

Why are some things magnetic and others not?

b)

What are magnets made of?

c)

What causes the difference in magnetic launch from one day to the next?

d)

What are the poles of magnets called?

2.

What happens when you put the same poles of magnets together?

a)

attract

b)

repel

c)

no change

d)

it depends

3.

What happens when you put opposite poles of magnets together?

a)

attract

b)

repel

c)

no change

d)

it varies

4.

Which of these metals is attracted to magnets?

a)

gold

b)

silver

c)

iron

d)

aluminum

5.

Which of these metals repels from magnets?

a)

cobalt

b)

steel

c)

silver

d)

aluminum

6.

Which of these has no reaction to metals?

a)

aluminum

b)

copper

c)

nickel

d)

iron

7.

Metals that do not attract or repel from magnets are generally:

a)

stronger

b)

weaker

c)

it varies

8.

Which of these is the scientific definition of attract?

a)

when you think someone is cute

b)

to pull objects toward one another

c)

what a train goes on

d)

to push objects away from each other

9.

Which of these is the scientific definition of repel?

a)

when you think someone is ugly

b)

to pull objects toward one another

c)

when you say something over again

d)

to push objects away from each other

10.

Magnets attract only some metals:

a)

true

b)

false

11.

Magnets repel wood:

a)

true

b)

false

12.

A magnet must be touching an object to repel it:

a)

true

b)

false

13.

Magnets can move other objects from a distance

a)

True

b)

False

14.

Magnets can attract or repel other magnets:

a)

True

b)

False

15.

The two poles on a magnet are called:

a)

east and west

b)

north and south

c)

blue and red

d)

New York and New Jersey

16.

Which of these is not true about magnetic field lines?

a)

they can never cross

b)

they are continuous

c)

they have no end point

d)

they always start at the south pole of the magnet

17.

If the distance is the same, weaker magnets will cause the attraction to be:

a)

slower

b)

faster

c)

the same

d)

it depends

18.

Compasses always point

a)

north

b)

south

c)

east

d)

west

19.

Scientists know exactly what magnetic fields look like

a)

True

b)

False

20.

When magnets are attracting, the magnetic field lines are

a)

connected

b)

not connected

21.

When magnets are repelling, magnetic field lines are

a)

touching

b)

not touching

22.

All animals have pieces of metal inside them.

a)

true

b)

false

23.

Which of these animals has a piece of metal inside to improve it's sense of direction?

a)

dog

b)

cat

c)

bird

d)

elephant

24.

Which of these is the study of magnetic properties on earth?

a)

geometry

b)

chemistry

c)

geomagnetism

d)

physics

25.

What is the scientific definition of magnetic field?

a)

a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field

b)

the space around a magnet in which magnetic forces can act on objects

c)

planets liquid iron core

d)

things that attract or repel

26.

What is the scientific definition of a magnetic field line?

a)

the space around a magnet in which magnetic forces can act on objects

b)

a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field

c)

planets liquid iron core

d)

things that attract or repel

27.

If two magnets just repel or attract, they are:

a)

aligned

b)

misaligned

c)

neither

d)

both

28.

If two magnets both attract and repel, they are:

a)

aligned

b)

misaligned

c)

both

d)

neither

29.

What is the highest before the magnets start to move?

a)

kinetic energy

b)

potential energy

30.

What is the highest after the magnets start to attract or repel?

a)

potential energy

b)

kinetic energy

31.

When is a snowboarders potential energy the greatest?

a)

on the ski lift

b)

at the top of the mountain

c)

on the way down the mountain

32.

Potential and kinetic energy can both be increasing.

a)

True

b)

False

33.

At which of these distances would repelling magnets have the greatest potential energy?

a)

2 units

b)

4 units

c)

6 units

d)

8 units

34.

At which of these distances would attracting magnets have the greatest potential energy?

a)

2 units

b)

4 units

c)

6 units

d)

8 units

35.

If you wanted to move the second magnet against the force, where would you move it?

a)

point A

b)

point B

36.

If you wanted to move the second magnet with the force, where would you move it?

a)

point A

b)

point B

37.

Which of these is true?

a)

Potential energy increases when magnets are moved with the force

b)

Potential energy increases when magnets are moved against the force

38.

Which of these is true about the image?

a)

potential energy was stored in the magnet

b)

potential energy was transferred in the system

c)

this is not a system

39.

Which of these is true about the image?

a)

Potential energy is stored in the magnet

b)

Potential energy is transferred in the system

c)

This is not a system

40.

Which of these is true about the image?

a)

Potential energy is stored in the magnet

b)

Potential energy was transferred into the system

c)

This is not a system

41.

Which of these is true?

a)

Potential energy increases with stronger magnets

b)

Potential energy increases as you move closer to the magnets

c)

both

d)

neither

42.

Which of these is not one of the ways motion can change?

a)

change direction

b)

speed up

c)

twist

d)

slow down

43.

Which of these is one of the ways in which motion can change?

a)

fly

b)

crawl

c)

twirl

d)

stop moving

44.

"speed in a particular direction" is the definition of which of these?

a)

movement

b)

change

c)

stop

d)

velocity

45.

Which of these is not an example of velocity?

a)

10 m/s north

b)

26 mph west

c)

40 m/s

d)

7 m/s left

46.

Which of these is an example of velocity?

a)

80 mph

b)

75 m/s

c)

50 cm/s

d)

72 mph west

47.

Which of these shows the direction someone would need to kick the ball in order for it to move toward the goal?

a)

A

b)

B

c)

both

d)

neither

48.

Which image shows a faster moving ball?

a)

C

b)

D

c)

they are equal

49.

"a push or pull that can change the motion of an object" is the definition of what?

a)

force

b)

exert

c)

change

d)

move

50.

"to apply a force" is the defection of what?

a)

force

b)

exert

c)

change

d)

move

51.

"forces acting on an object that are unequal in size and cause a change in motion" is the definition of what?

a)

unbalanced forces

b)

balanced forces

c)

both

d)

neither

52.

"forces that are equal in size acting on an object in different directions and do not cause a change in motion. "

a)

unbalanced forces

b)

balanced forces

c)

both

d)

neither

53.

Which of these is an example of an unbalanced force?

a)

bird sitting on a tree

b)

sleeping

c)

running

d)

car stopped at a red light

54.

Which of these is not an example of a balanced force?

a)

frozen ice

b)

airplane waiting to take off

c)

airplane flying through the air

d)

sleeping

55.

This image is an example of:

a)

balanced forces

b)

unbalanced forces

c)

both

d)

neither

56.

In order for an object to start moving, the forces must be moving in:

a)

in opposite direction of object's motion

b)

same direction as object's motion

c)

any direction

57.

The order for an object to speed up, the forces must be moving in:

a)

the same direction as objects motion

b)

the opposite direction as objects motion

c)

any direction

58.

In order for an object to slow down, the forces must be moving in:

a)

the opposite direction as objects motion

b)

the same direction as objects motion

c)

any direction

59.

In order for an object to stop moving, the forces must be moving in:

a)

opposite direction as objects motion

b)

same direction as objects motion

c)

any direction

60.

In order for an object to move in the opposite direction, the forces must be in:

a)

the same direction as objects motion

b)

the opposite direction as objects motion

c)

any direction

61.

The thrusters fire to exert a force in the _________________ direction as the motion of the pod.

a)

same

b)

opposite

62.

This image represents which type of change of motion?

a)

speeding up

b)

slowing down

c)

stopping

d)

changing direction

63.

When objects are the same mass, the greater the force strength, how does the change of velocity change?

a)

increase

b)

decrease

c)

stay the same

64.

When objects are the same mass, what do you have to multiply the change of velocity by to get the force strength?

a)

1

b)

5

c)

10

d)

100

65.

What is the correct unit for Force?

a)

N

b)

cm

c)

cm/s

d)

mph

66.

"A force between an object and the surface it is moving over" is the definition of what?

a)

movement

b)

sliding

c)

friction

d)

change

67.

Friction causes what type of change of velocity to an object?

a)

speeding up

b)

slowing down

c)

stopping

d)

starting to move

68.

Will the velocity of the book change as it moves across the surface with NO friction?

a)

yes

b)

no

69.

Will the velocity of the book change as it moves across the surface WITH friction?

a)

yes

b)

no

70.

If this pod went in the opposite direction because of the thrusters, the thrusters would have exerted_____________________ the thrusters in other missions.

a)

a force greater than

b)

a force weaker than

c)

a force equal to

71.

"the amount of matter that makes up an object" is the definition of what

a)

weight

b)

pounds

c)

mass

d)

height

72.

In a collision, which of these will usually have a greater change of velocity?

a)

more massive object

b)

less massive object

c)

the same

73.

If the same force is exerted on both of the objects in the table, which one traveled faster?

a)

blue box

b)

green box

c)

equal

74.

If the same force were exerted on both of the objects in the table, which is less massive?

a)

blue box

b)

green box

c)

equal

75.

In wheelchair track and field, which of these types of wheelchairs would be most effective?

a)

more massive

b)

less massive

c)

no difference

76.

In wheelchair rugby, which type of wheelchair would be most effective?

a)

more massive

b)

less massive

c)

no difference

77.

There is such thing as negative change of velocity in Science.

a)

true

b)

false

78.

Which of these change of velocities is different than the others?

a)

10 m/s to 17 m/s

b)

25 m/s to 18 m/s

c)

30 m/s to 40 m/s

d)

0 m/s to 7 m/s

79.

Which of these has the greatest change of velocity?

a)

7 mph to 20 mph

b)

50 mph to 55 mph

c)

15 mph to 21 mph

d)

60 mph to 40 mph

80.

Who created the laws of motion that relate to our Force and Motion unit?

a)

Edison

b)

Pollin

c)

Newton

d)

Fauci

81.

"the moment when two objects hit each other" is the definition of what?

a)

crash

b)

movement

c)

injury

d)

collision

82.

Which object experiences greater force in a collision?

a)

more massive object

b)

less massive

c)

the force is always equal

83.

In which direction do forces go during a Collison?

a)

same

b)

oppsite

c)

it depends

84.

Which car experiences a greater force in this collision?

a)

red

b)

blue

c)

the same

85.

Which car experiences a greater change of velocity in this collision?

a)

red

b)

blue

c)

the same

86.

When two objects collide, the force is always:

a)

equal and in the same direction

b)

equal and in opposite directions

c)

unequal and in the same direction

d)

unequal and in opposite directions

87.

A car collides with a bike on the street. Which object experiences a greater force?

a)

the car because it has a greater mass

b)

the bike because it has a lesser mass

c)

they experience the same force

d)

the friction absorbs all the force

88.

After the collision, how does the pod’s motion compare to the motion of the space station?

a)

The pod is moving faster than the space station.

b)

The pod and the space station are moving at the same speed.

c)

The pod is moving more slowly than the space station.

89.

In "Iceworld Revenge", car 2:

a)

went off the cliff

b)

did not go off the cliff

90.

In Claire's test, car 2:

a)

went off the cliff

b)

did not go off the cliff

91.

Which of these substances has the highest amount of friction?

a)

ice

b)

plexiglass

c)

rubber

d)

they are all equal

92.

Which type of mechanical energy refers to stored energy?

a)

potential

b)

kinetic

c)

both

d)

neither

93.

Which type of mechanical energy refers to moving energy

a)

potential

b)

kinetic

c)

both

d)

neither

94.

Energy can do which of the following things?

a)

created

b)

destroyed

c)

both

d)

neither

95.

Energy is the ability to do what?

a)

movement

b)

change

c)

work

d)

talking

96.

Energy _________________ from one form to another

a)

moves

b)

changes

c)

transforms

d)

stays

97.

A ball flying through the air has _____________ energy.

a)

potential

b)

kinetic

c)

both

d)

neither

98.

A bird sitting on the roof has _______________ energy.

a)

potential

b)

kinetic

c)

both

d)

neither

99.

A car driving on the highway has _______________ energy.

a)

potential

b)

kinetic

c)

both

d)

neither

100.

A fan turned of has _______________ energy.

a)

potential

b)

kinetic

c)

both

d)

neither

101.

Which of these are part of a scientific argument?

a)

claim

b)

evidence

c)

reasoning

d)

all of the above

102.

What is the part of a response that explains how your evidence supports your claim?

a)

claim

b)

evidence

c)

reasoning

d)

conclusion

103.

Which of these are not part of a strong scientific argument?

a)

begins with a question

b)

has a claim that proposes an answer to a question

c)

has evidence that supports the claim

d)

uses a lot of opinion

104.

What do scientists do as related to the natural world?

a)

ask questions

b)

gather information

c)

both

d)

neither

105.

What is the main problem we tried to solve in this unit?

a)

what has energy?

b)

how can we get power to rescue workers?

c)

how can we save people?

d)

what is life?

106.

Do batteries have energy?

a)

yes

b)

no

c)

sometimes

d)

unknown

107.

Which of these is a type of energy?

a)

kinetic

b)

potential

c)

thermal

d)

all of the above

108.

Which of these are not part of good annotations?

a)

organized

b)

underlining random words

c)

asks questions

d)

clearly read all of the text

109.

Which of these is not a reason people do not have access to energy?

a)

no electrical grid nearby

b)

lack of money

c)

do not have necessary wires

d)

do not want energy

110.

What is the name of this energy invention?

a)

little sun lamp

b)

hollow flashlight

c)

candle

d)

none of the above

111.

What part of the body did the hollow flashlight get its energy from?

a)

stomach

b)

head

c)

hand

d)

foot

112.

Which of these claims is true?

a)

objects make their own energy

b)

objects get energy from other objects that have energy

c)

only living things have energy

d)

all of the above

113.

What is the definition of a generator?

a)

a machine that can convert, or change, kinetic energy into electrical energy.

b)

a type of kinetic energy

c)

a type of potential energy

d)

none of the above

114.

Which type of energy is most commonly present in a battery?

a)

kinetic

b)

potential

c)

electrical

d)

none of the above

115.

Food that has already been eaten and digested most likely represents which type of energy?

a)

kinetic

b)

potential

c)

both

d)

neither

116.

Food that you see in the aisles at a supermarket most likely represents which type of energy?

a)

potential

b)

kinetic

c)

both

d)

neither

117.

Where did the battery get its energy from?

a)

flywheel

b)

crank

c)

generator

d)

none of the above

118.

Where did the flywheel get its energy from?

a)

crank

b)

generator

c)

battery

d)

none of the above

119.

True or False: The energy that the humans use to power the crank is created by humans.

a)

True

b)

False

120.

"to move from one object to another or one place to another" defines which Science term?

a)

transfer

b)

convert

c)

both

d)

neither

121.

"to change from one type to another" defines which Science term?

a)

transfer

b)

convert

c)

both

d)

neither

122.

Going from a battery to a flashlight in an energy transfer diagram would represent which of these?

a)

transfer

b)

conversion

c)

both

d)

neither

123.

Going from the sun to a battery in an energy transfer diagram represents which of these?

a)

transfer

b)

conversion

c)

both

d)

neither

124.

Which of these is a downside of the hand crank flashlight for the rescue workers?

a)

easy to use

b)

mobile

c)

doesn't require sunlight

d)

takes a long time to charge

125.

Where does the energy get stored as potential energy in most of the devices that we looked at?

a)

generator

b)

lightbulb

c)

battery

d)

none of the above

126.

Which of these is VERY clearly not a good solution to the rescue workers problem?

a)

hand crank

b)

backpack

c)

knee brace

d)

bicycle

127.

Which of these is not one of the energy inventions that we looked at?

a)

bicycle

b)

hand crank

c)

elephant

d)

knee brace

128.

Which of these sources is likely to be the least reliable?

a)

newspaper

b)

magazine

c)

commercial

d)

news

129.

True or False: You should buy the Ed-You-Swivel chair just based on what you see in an Ed-You-Energy commercial.

a)

True

b)

False

130.

True or False: Information you see in commercials is always false.

a)

True

b)

False

131.

True or False: A competitor of a company saying something bad about a product is reliable.

a)

True

b)

False