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WorksheetsEOYR LvL 2
Total questions: 109
Worksheet time: 7hrs 46mins
Name
Class
Date
1.
Which is not a simple machine
a)
tractor
b)
ramp
c)
wedge
d)
screw
2.
if a car is not speeding up or slowing down it has
a)
constant velocity
b)
positive velocity
c)
negative velocity
d)
no velocity
3.
Maicie is running at 12 mph/n which would not be a change in acceleration
a)
12 mph/e
b)
12 mph/w
c)
12 mph/s
d)
12 mph/n
4.
why do you increase the distance of a inclined plane?
a)
it reduces work
b)
it reduces effort force
c)
it increases effort force
5.
why do you increase the distance of a inclined plane?
a)
it reduces work
b)
it reduces effort force
c)
it increases effort force
6.
20 n→ ←15 n what will happen?
a)
nothing
b)
accelerate to the right with 5n
c)
accelerate left with 5n
d)
forces will cancel out
7.
⁄ this would be an example of what type of acceleration?
a)
positive
b)
negative
c)
constant
d)
none
8.
−−−−−−−− what type of acceleration would this represent
a)
positive
b)
negative
c)
constant
d)
none
9.
−−−−−− what type of velocity
a)
positive
b)
constant
c)
negative
d)
none
10.
which object would accelerate the most with 200 n applied to it
a)
10 kg
b)
12 kg
c)
15 kg
d)
100 kg
11.
why does a person get thrown off a motorcycle?
a)
gravity
b)
friction
c)
inertia
d)
wind resistance
12.
why does an object rolling down a hill come to a stop?
a)
friction
b)
gravity
c)
inertia
13.
why do all objects fall towards the center of Earth?
a)
friction
b)
gravity
c)
inertia
d)
mass and distance
14.
what 2 things effect gravitational pull?
a)
weight and distance
b)
distance and force
c)
mass and distance
d)
inertia and distance
15.
The point of a lever that is stationary
a)
load
b)
fulcrum
c)
pivot
d)
force
16.
which class lever is a see saw
a)
1st
b)
2nd
c)
3rd
d)
4th
17.
a person using a shovel using a shovel would be using what class lever
a)
1st
b)
2nd
c)
3rd
d)
4th
18.
a wheel barrow would be an example of what class of lever
a)
1st
b)
2nd
c)
3rd
d)
4th
19.
speed and direction are what
a)
velocity
b)
acceleration
c)
speed
d)
force
20.
which is not a way to change acceleration
a)
speeding up
b)
slowing down
c)
turning
d)
staying the same
21.
what are the three forms of velocity positive, negative, and
a)
constant
b)
force
c)
inertia
d)
none
22.
if Johnny is pushing a wall at 100 n and the wall doesn't fall then what is the force of the wall pushing
a)
200 n
b)
0 n
c)
100 n
d)
101 n
23.
a set of stairs would be what type of simple machine
a)
screw
b)
inclined plane
c)
pulley
d)
wedge
24.
what simple machine is used to raise a flag
a)
pulley
b)
wheel and axle
c)
wedge
d)
screw
25.
opening a can of paint that is glued down would require the use of a?
a)
wedge
b)
lever
c)
screw
d)
wedge and lever
26.
which ball is more densely packed?
a)
golf ball
b)
soccer ball
c)
baseball
d)
football
27.
What is this?
a)
Mixture of compounds
b)
Mixture of elements
c)
Compound
d)
element
28.
What is this?
a)
Compound
b)
Element
c)
Mixture of elements
d)
Mixture of compounds
29.
What is this?
a)
Compound
b)
Element
c)
Mixture of compounds
d)
Mixture of compounds and elements
30.
An atom has 64 protons and 93 neutrons. How many electrons does it have?
a)
32
b)
64
c)
93
d)
157
31.
An atom has 5 protons and 6 neutrons. What is its mass number?
a)
5
b)
6
c)
11
d)
16
32.
How many neutrons does Barium have?
a)
137
b)
56
c)
79
d)
33
33.
What is this?
a)
Compound
b)
Mixture of compounds and elements
c)
Mixture of compounds
d)
Mixture of elements
34.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
35.
Table salt, NaCl, is made of sodium and chlorine atoms. Table salt is a/an:
a)
compound
b)
element
36.
How many Oxygen (O) atoms are in C2HO8Cl2
a)
2
b)
12
c)
8
d)
5
37.
Characteristic of a substance that can be observed without changing it chemically, such as size, shape, density, and phase.
a)
Physical property
b)
turtle
c)
Physical change
d)
Chemical property
38.
A molecule is________
a)
a glob of gelatinous goo
b)
smaller than an atom
c)
filled with raisons
d)
more than one atom bonded together
39.
What charge does a Proton have?
a)
Negative
b)
Positive
c)
Neutral
d)
Contrated
40.
What is happening to the water on the glass?
a)
Condensation
b)
Deposition
c)
Sublimation
d)
Evaporation
41.
The volume of water in a beaker was 215 mL. After 5 days, the volume of the water was 200 mL. What best explains the change in volume?
a)
Some of the water absorbed the air.
b)
Some of the water evaporated and escaped into the air as water vapor.
c)
Some of the water disappeared.
d)
Some of the water was released due to condensation.
42.
Which statement is true?
a)
Oil is the most dense substance.
b)
Corn syrup is less dense than water.
c)
Oil is less dense than water.
d)
Oil and corn syrup have the same density but different masses.
43.
Which is more dense?
a)
left cube
b)
right cube
44.
Which of the following is a characteristic property of matter?
a)
Color
b)
Volume
c)
Density
d)
Mass
45.
Which state of matter has molecules that vibrate the most?
a)
solid
b)
liquid
c)
gas
46.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
47.
What is a characteristic of matter that can be measured or observed without changing matter into something new?
a)
matter
b)
molecule
c)
physical property
d)
states of matter
48.
What is the smallest particle of matter that has the properties of that matter?
a)
atom
b)
matter
c)
molecule
d)
physical property
49.
What is anything that has mass and takes up space?
a)
atom
b)
matter
c)
molecule
d)
physical property
50.
Which subatomic particle has no charge?
a)
proton
b)
neutron
c)
electron
d)
valence electron
51.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
52.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
53.
Electrons are found in the nucleus of an atom.
a)
True
b)
False
54.
What is the correct formula for density?
a)
Density = mass/volume
b)
Density = volume/mass
c)
Density= volume x mass
d)
Density= Mass + volume
55.
In which state does matter completely fill its closed container?
a)
Gas
b)
Liquid
c)
Solid
d)
Ice
56.
Which state of matter has a fixed shape and volume and it's molecules move very slowly?
a)
Liquid
b)
Gas
c)
Solid
d)
Plasma
57.
Which of the following is not a physical property of matter?
a)
Shape
b)
Texture
c)
Flammability
d)
Hardness
58.
A pure substance composed of two or more different elements is
a)
a homogeneous mixture
b)
a heterogeneous mixture
c)
a polyelement
d)
a chemical compound
59.
15. gold
a)
A. MIXTURE
b)
B. COMPOUND
c)
C. ELEMENT
60.
The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
61.
In a solid, the particles
a)
vibrate in place
b)
slide past one another
c)
overcome the strong attraction
62.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
63.
iron rusting is an example of what?
a)
Physical change
b)
Chemical change
64.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
65.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
66.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
67.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
68.
The blue atoms are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
69.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
70.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
71.
This picture represents which of the following?
a)
Element
b)
Compound
c)
Mixture
72.
Law of conservation of mass states that
a)
matter is created
b)
matter is destroyed
c)
matter is neither created nor destroyed
d)
matter does not change
73.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
74.
Which elements are found on the left to middle of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
75.
Describe what luster means
a)
How an object reflects light
b)
How soft an object is
c)
If an object floats
d)
If an object can be dug out of the earth.
76.
I have an object that is dull, brittle, and an insulator, what is it?
a)
metalloid
b)
non-metal
c)
metal
d)
matter
77.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
78.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
79.
A student tested the conductivity of four elements using an incomplete electrical circuit. When the element is placed in the circuit, the bulb lights up brightly, lights up dimly, or does not light up at all based on the element’s ability to conduct electricity. The table below shows the results of her investigation. Based on the results of the conductivity test, which element is classified as a metal?
a)
Hydrogen
b)
Arsenic
c)
Krypton
d)
Copper
80.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
81.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
82.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
83.
In the image, which of the person and their bikes will get down a hill faster?
a)
The boy because he is younger
b)
The woman because she is stronger
c)
The boy because he has a greater mass which applies a greater force
d)
The woman because she has more mass and applies a greater force
84.
How is gravity affected by mass?
a)
the larger the mass of the object, the greater the gravity
b)
small objects have no gravity
c)
gravity is not affected by mass of objects, whether large or small
85.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
86.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed
c)
not moving
d)
accelerating/slowing down.
87.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
88.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
89.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
90.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
91.
What happens when one object moves an object over a distance?
a)
Inertia
b)
Work
c)
Displacement
d)
Magnetism
92.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
93.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
94.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
95.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
96.
What is Mechanical Energy?
a)
Energy from a tree
b)
Potential
c)
Thermal Energy
d)
The sum of kinetic and potental energy that causes force to move an object any distance.
97.
If an object is too heavy to move up a ramp, what is the best way to fix the problem?
a)
Increase the slope of the ramp
b)
Increase the elevation of the ramp
c)
Increase the length of the ramp
d)
Increase the friction of the ramp
98.
Consists of two circular objects; a central shaft and a wheel.
a)
wheel and axle
b)
screw
c)
pulley
99.
Why don't skateboarders keep flying through the air when they launch off a ramp?
a)
The force of gravity works against the skateboarders inertia
b)
Skateboard wheels don't spin fast enough to keep them moving very far
c)
The skateboarders have no inertia when they launch off a ramp.
d)
Skateboards do not use newtons to move around ramps.
100.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
101.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
102.
Speed is different from velocity because
a)
Velocity has a direction
b)
Speed uses Distance /Time
c)
Velocity doesn't include time
d)
Velocity doesn't include distance
103.
Speed is equal to
a)
Distance/Time
b)
Time/Distance
c)
Time x Distance
d)
Acceleration
104.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
105.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
106.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
107.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking
b)
Running
c)
Standing Still
d)
Walking Fast
108.
What is inertia?
a)
the tendency of an object to resist change in motion
b)
how fact an object is going in a given direction
c)
a measure of the lack of motion of an object
d)
change in speed or direction of an object
109.
The measure of the amount of gravity on an object. This measurement can change based on your location.
a)
Mass
b)
Weight
c)
Force
d)
Friction
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