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2021 Integrated Science Midterm

Total questions: 110

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

22 g = ___ kg

a)

22,000 kg

b)

2.2 kg

c)

0.022 kg

d)

2,200 kg

2.

Which is not an SI base unit?

a)

gram

b)

liter

c)

meter

d)

millisecond

3.

which is NOT true of a scientific law?

a)

it can be modified or rejected

b)

it states that an event will occur

c)

it explains why an event will occur

d)

it is based on repeated observations

4.

Keep milk at room temp, and keep another one in the refrigerator. In this experiment, you are changing the temperatures on purpose to see what happens. Temperature would be the:

a)

Operational Definition

b)

Control Variable

c)

Dependent Variable

d)

Independent Variable

5.

What variable in an experiment are you collecting data on? - it is also called the responding variable.


For example: measuring the amount of mold on pieces of bread that were placed in different temperatures.

a)

Dependent variable

b)

Operational Definition

c)

Independent Variable

d)

Control Variable

6.
What are facts, figures, and other evidence gathered through observations?
a)
Hypothesis
b)
Varibale
c)
Reasoning
d)
Data
7.

The gummy worm is stale.

a)

Qualitative

b)

Quantitative

8.

The dogs jumped 14 inches off the ground.

a)

Qualitative

b)

Quantitative

9.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
10.

Does eating pop tarts for breakfast make me fall asleep in class?


What is the independent variable in the above question?

a)

eating pop tarts

b)

minutes you sleep in class

c)

calories

d)

the class that you're in

11.

the unit for mass

a)

grams (g)

b)

liters (L)

c)

Newtons (N)

d)

amps (A)

12.
She is holding an umbrella
a)
observation
b)
inference
13.
It is raining outside
a)
observation
b)
inference
14.
A Hypothesis must be 
a)
right 
b)
testable 
c)
wrong 
15.
Scientific _______________________ is a process that uses a set of skills to answer questions or test ideas about the natural world.
a)
process
b)
Inquiry 
c)
law
d)
theory 
16.

What describes a rule that describes a repeatable pattern in nature

a)

Scientific Law

b)

Scientific Theory

17.

The independent variable is

a)

the part the scientist measures

b)

the part the scientist changes

c)

a letter

18.

comparing what you already know about something to new information and deciding whether or not you agree with the new information

a)

inference

b)

critical thinking

c)

hypothesis

d)

scientific theory

19.

JIF peanut butter is the best brand.

a)

verifiable hypothesis

b)

non verifiable hypothesis

20.

Pulling out data of something

a)

data mining

b)

data pulling

c)

data preceptions

21.

A complete description of an object's location should include which three things?

a)

speed, direction, and time

b)

velocity, distance, and time

c)

reference point, speed, and distance

d)

reference point, distance, and direction

22.

Which situation describes velocity?

a)

2.8 m/s

b)

3.5 km/s heading south

c)

30 m/ s2s^2 heading north

d)

5m south of the post office

23.

the difference between the initial position and the final position of an object is its

a)

acceleration

b)

displacement

c)

distance

d)

velocity

24.

a kangaroo covering the same amount of distance every second is hopping at a(n)

a)

constant speed

b)

average speed

c)

acceleration

d)

slope of a speed-time graph

25.

A car drives 10 km north. It then turns and drives 10 km west. Determine whether the distance it travels and its displacement are equal.

a)

yes, the car's displacement equals its distance traveled.

b)

no, the car's displacement does not equal its distance traveled.

26.

You can calculate average acceleration by dividing the change in velocity by the change in time

a)

agree

b)

disagree

27.

whether motion occurs depends on the reference point you use

a)

true

b)

false

28.

what colored line represents a moving object with the second fastest velocity?

a)

red

b)

orange

c)

blue

d)

green

29.

how can you calculate average speed from a distance-time graph?

a)

divide a y coordinate by an x coordinate of a single point

b)

find the slope of the graph using two points

30.

Identify whether this object is accelerating or not


the moon orbiting Earth at a constant speed

a)

accelerating

b)

not accelerating

31.

Identify whether this object is accelerating or not


A anchored boat moving up and down in calm water

a)

accelerating

b)

not accelerating

32.

What is your average velocity if you bicycle 200 miles east from Admiral Farragut Academy towards The Kennedy Space Center for 5 hours?

a)

-40 miles/hr

b)

40 miles/hr

c)

0.025 miles/hr

d)

-0.025 miles/hr

33.

if an object velocity vector is  ⟶\longrightarrow , and the object is speeding up, its acceleration vector would be

a)

 ⟶\longrightarrow  

b)

 ⟵\longleftarrow  

c)

 ↑\uparrow  

34.

on a speed-time graph, speed is plotted on the

a)

x-axis

b)

y-axis

35.

What does Vf in the following equation stand for?

a = (Vf - Vi) / t

a)

acceleration

b)

final velocity

c)

initial velocity

d)

time

36.

which statement indicates that motion has occured?

a)

the reference point has changed

b)

the position of the object has changed

c)

the object being described has changed

37.

what colored line represents an object at rest?

a)

red

b)

orange

c)

blue

d)

green

38.

A roller coasters accelerates from an initial velocity of of 20 m/s to a final velocity of 60 m/s over 4 seconds. What's the acceleration?

a)

-10 m/s2

b)

20 m/s2

c)

10 m/s2

d)

-20 m/s

39.

which is an examples of a reference point


your bike is 2m to the left of my bike

a)

your bike

b)

is 2m

c)

to the left of

d)

my bike

40.
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
41.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
42.

Which example describes a contact force?

a)

a baseball being hit by a baseball bat

b)

a basketball falling toward the ground

c)

a metal pin being pulled toward a magnet

d)

an electric field causing a person's hair to stand on end

43.

Newton's second law allows scientists to calculate _____,_____, or _______

a)

force

b)

velocity

c)

mass

d)

acceleration

44.

Why do astronauts in space weigh less than they do on Earth?

a)

there is less air to cause resistance in space

b)

the distance from Earth decreases their mass

c)

the distance from Earth weakens Earth's gravitational pull on them, so the gravitational force is less

d)

the friction between astronauts and Earth is greater on Earth's surface

45.

the force that two objects exert on each other

a)

force

b)

momentum

c)

force pair

d)

mass

e)

weight

46.

the tendency of an object to resist a change in motion

a)

inertia

b)

momentum

c)

centripetal force

d)

mass

e)

weight

47.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
48.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
49.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
50.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
51.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
52.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
53.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
54.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
55.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
56.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Sometimes
c)
False
d)
Never
57.

As the distance between two objects increases, the pull of gravity between them

a)

Increases

b)

Decreases

c)

Stays the same

58.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
59.

Mercury is the smallest planet in our solar system by mass. What would your weight be on Mercury compared to Earth?

a)

you would weigh more on Mercury than on Earth

b)

you would weigh less on Mercury than on Earth

c)

you would weigh the same because even though Mercury has more mass, it's the same density

d)

it is impossible to say without trying it

60.

How do you make an object accelerate?

a)

it only accelerates if it is moving

b)

by applying a force

c)

by adding more mass to the object

61.

Force pair that has a net force of zero. This is an example of

a)

Balanced forces

b)

Unbalanced forces

62.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
63.

Swimming fish experience-

a)

Rolling Friction

b)

Sliding Friction

c)

Fluid Friction

d)

Air Resistance

64.
You are carrying a lunch tray when you bump into the edge of a table.  Although the tray did not tip, your milk falls off of the front of the tray.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
65.

Energy is the ability to produce motion

a)

agree

b)

disagree

66.

Waves transfer energy from place to place

a)

agree

b)

disagree

67.

energy cannot be created or destroyed, but it can be transformed

a)

agree

b)

disagree

68.

stored energy that depends on the interaction of objects, particles, or atoms

a)

energy

b)

kinetic energy

c)

electric energy

d)

potential energy

e)

chemical

69.

energy that is stored in and released from the bonds between atoms

a)

nuclear energy

b)

kinetic energy

c)

mechanical energy

d)

potential energy

e)

chemical energy

70.

is the sum of the kinetic and potential energy of the particles that make up an object

a)

nuclear energy

b)

kinetic energy

c)

mechanical energy

d)

thermal energy

e)

chemical energy

71.

select all options that are considered forms of just kinetic energy

a)

electric energy

b)

nuclear energy

c)

mechanical energy

d)

thermal energy

e)

sound energy

72.

decide if the underlined word is correct or if it should be replaced with the provided one.


When electrical energy plants burn coal, they are transforming chemical energy into electric energy

a)

true

b)

false; nuclear

73.

decide if the underlined word is correct or if it should be replaced with the provided one.


To do work on an object, the object must move in the direction of the force.

a)

true

b)

false; energy

74.

energy converted to another form

a)

work

b)

energy transformation

c)

thermal energy

d)

law of conservation of energy

75.
The movement of energy through substances in longitudinal waves (vibrating matter) is called ___________ energy. 
a)
Heat
b)
Sound
c)
Electical
d)
Light
76.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

77.

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

a)

height and mass

b)

friction and movement

c)

mass and movement

d)

height and friction

78.

As mass increases, kinetic energy ...


(think about the mass of a potato vs. a bowling ball falling, which has more kinetic energy?)

a)

increases

b)

decreases

c)

stays the same

79.

Which of the following would be classified as a lever?

a)

wheelbarrow

b)

kickball

c)

crowbar

d)

tweezers

80.

Which has kinetic energy?

a)

a compressed spring

b)

a cellphone on a table

c)

a blade of grass swaying in the wind

d)

a case of dynamite

81.

Although machines make a job easier, they cannot produce as much energy as they receive because of the presence of ...


(*hint they are never 100% efficient because...)

a)

work

b)

levers

c)

friction

d)

power

82.

MICKEY MOUSE :) is using which simple machine to chop down a tree?

a)

wheel and axle

b)

wedge

c)

inclined plane

d)

pulley

83.

You lifted a box with 2 N of force up 2m into a moving truck.


Your nemesis worked smarter, not harder, and pushed the same box across an inclined plane instead of lifting it straight up to the same truck. How much work did your friend do?

a)

4 J

b)

less than 4 J

c)

more than 4 J

d)

-4 J

84.

calculate the efficiency of you replacing the batteries in a new holiday gift! You put in 50 J of work into a screwdriver and 25 J is delivered to rotating the screws that cover the batteries.

a)

50%

b)

25%

c)

60%

d)

100%

85.

vibrating objects make sound waves

a)

agree

b)

disagree

86.

Human ear's are sensitive to more sound frequencies than any other animal's ears

a)

agree

b)

disagree

87.

light waves always travel at the same speed

a)

agree

b)

disagree

88.

the decibel is used to measure a sound's

a)

pitch

b)

loudness

c)

frequency

89.

a loud sound is produced by a sound wave with a ________ amplitude

a)

low

b)

high

c)

decreasing

90.

collects and channels sound waves into the ear

a)

eardrum

b)

middle ear bones

c)

outer ear function

d)

cochlea

e)

middle ear function

91.

amplifies sound

a)

eardrum

b)

middle ear bones

c)

outer ear function

d)

cochlea

e)

middle ear function

92.

Alex's voice is lower pitched than Kendall's. Which is true?

a)

Alex speaks at a higher volume than Kendall.

b)

Alex can speak at a higher amplitude than Kendall.

c)

Alex's vocal cords vibrate more slowly than Kendall's

93.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
94.

What medium (solid, liquid, gas) does sound travel slowest through?

a)

solid

b)

liquid

c)

gas

95.

light travels as a(n) _________ wave

a)

transverse

b)

mechanical

c)

electromagnetic

96.

color depends on the ______ of visible light

a)

speed

b)

direction

c)

wavelength

97.

when you see an object that is a light source, you are seeing light waves _____

a)

reflected

b)

absorbed

c)

refracted

d)

emitted

98.

if a material allows most light that strikes it to pass through but forms a blurry image, then the material is

a)

opaque

b)

reflective

c)

translucent

99.

Which window is opaque?

a)

Window 1

b)

Window 2

c)

Window 3

d)

None

100.

When light bends through a new medium, what is happening?

a)

reflection

b)

refraction

c)

absorption

d)

translucent

101.

This diagram best represents

a)

regular reflection

b)

refraction

c)

absorption

d)

diffuse reflection

102.

What is C?

a)

Angle of incidence

b)

Angle of reflection

c)

Incident light ray

d)

Reflected light ray

103.

A shirt appears red under white light.

What color would it appear under red light?

a)

black

b)

blue

c)

red

d)

white

104.

The loudness of a sound wave depends on which of these?

a)

amplitude

b)

frequency

c)

pitch

d)

wavelength

105.
How are light and sound ALIKE?
a)
Both travel as rays
b)
Both can vary in pitch
c)
Both depend on vibrations in air
d)
Both are forms of energy that travel as waves
106.

Which of these illustrates that sound waves can travel through a liquid?

a)

Someone at the top of the staircase at Russell building talking to someone on the first floor.

b)

Humpback whales sing beautiful songs that travel up to 10,000 miles!!

c)

Astronauts can’t hear each other in space unless they use a radio.

d)

You can hear a sea turtle digging on the beach when they are laying their eggs when you press your ear up against the sandy.

107.
What is the ray of light that strikes the surface.
a)
Incident ray
b)
reflected ray
c)
normal ray
d)
normal
108.

The layer of tissue in the eye that contains rod and cone cells that are sensitive to light wavelengths:

a)

cornea

b)

iris

c)

pupil

d)

retina

109.

Which bird has more cone cells?

a)

An owl who hunts at night or

b)

A hawk looking for a mouse in a field of brown crops

110.

I am proud of you and you should be proud of yourself. Test taking is hard work and you're doing awesome :)


would you like a point for working hard and doing your best?

a)

yes, please

b)

no, thank you

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