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Worksheets

Last Chance #1

Total questions: 134

Worksheet time: 2hrs 48mins

Name
Class
Date
1.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
2.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
3.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
4.
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
a)
10
b)
20
c)
30
5.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
6.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
7.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
8.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
9.
The smallest particle of any type of matter is known by which of the following terms?
a)
Element
b)
Compound
c)
Atom
d)
Chemical
10.
What particle uniquely identifies an element?
a)
Number of Valence Electrons
b)
Number of Protons
c)
Number of Electrons
d)
Atomic Mass
11.
What subatomic particle is positively charged and is located inside of the nucleus?
a)
Proton
b)
Neutron
c)
Electron
d)
Ion
12.
Which one of these is NOT located in the element square on the Periodic Table?
a)
Atomic Number
b)
Atomic Mass
c)
Room Temperature
d)
Chemical Symbol
13.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
14.
Electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
15.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
16.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
17.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
18.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
19.
The charge of a neutron in an atom.
a)
positive
b)
negative
c)
neutral
d)
+1
20.

How comfortable are you with understanding what atoms are made of and how the atom is structured?

a)

VERY COMFORTABLE!!!

b)

Eh, pretty comfortable

c)

I get it a little...

d)

What are atoms?

21.

What particles are atoms made of? (Check ALL that apply:)

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

22.

What particles are in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

23.

Which particle is outside the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

24.

Which two particles have mass?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

25.

Protons are:

a)

Positive

b)

Neutral

c)

Negative

26.

Neutrons are:

a)

Positive

b)

Neutral

c)

Negative

27.

Electrons are:

a)

Positive

b)

Neutral

c)

Negative

28.

How many valence electrons in this diagram:

a)

1

b)

3

c)

5

d)

7

29.

How many valence electrons in this diagram:

a)

1

b)

3

c)

5

d)

7

30.

How many valence electrons in this diagram:

a)

1

b)

3

c)

5

d)

7

31.

Which atom is the most reactive?

a)
b)
32.

Which atom is the most reactive?

a)
b)
33.

Which atom is the least reactive?

a)
b)
c)
34.

The smallest piece of an element:

a)

quark

b)

electron

c)

shell

d)

atom

35.

The cloud-like space that electrons travel around:

a)

nucleus

b)

shell

c)

neutrons

d)

Oort cloud

36.

Protons and neutrons are found in the center of the atom called the:

a)

nucleus

b)

neutron

c)

shell

d)

cell

37.

Classification system for elements is called:

a)

Elements

b)

Periods

c)

The Periodic Table of Elements

d)

Families

38.

The subatomic particles are called:

a)

protons, nucleus and electrons

b)

protons, electrons and neutrons

c)

protons, positives and negatives

d)

cloud, shell and quarks

39.

Substances that have only one kind of atom are called:

a)

elements

b)

nitrogen

c)

electrons

d)

nucleus

40.

Electrons have a _____ charge.

a)

neutral

b)

negative

c)

positive

d)

both positive and negative

41.

What is the study of matter?

a)

Chemistry

b)

Biology

c)

Earth Science

d)

Physics

42.

_____ is what scientists think atoms are like.

a)

Chemistry

b)

The box

c)

The atomic structure

d)

The atomic theory

43.

The abbreviation for an element:

a)

element name

b)

atomic number

c)

chemical symbol

d)

atomic symbol

44.

Who invented the simplified version of the atom?

a)

Dmitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

45.

The scientist who invented the classification system for the elements:

a)

Dimitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

46.

What is the sum of an atom's protons and neutrons called?

a)

atom

b)

atomic theory

c)

atomic mass

d)

atomic number

47.

The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:

a)

families

b)

groups

c)

periods

48.

The rows or periods on the periodic table describe:

a)

the same number of outer electrons

b)

the same number of shells

c)

the same number of protons

d)

the same mass

49.

The _____ is based on the number of protons in the nucleus of the atom.

a)

atomic structure

b)

periodic table of the elements

c)

atomic number

d)

atomic mass

50.

What subatomic particle is represented by this symbol (+):

a)

neutron

b)

proton

c)

electron

51.

What subatomic particle is represented by this charge (-):

a)

neutron

b)

proton

c)

electron

52.

Why do the electrons surround the nucleus?

a)

the negative electrons are attracted to the neutral neutrons

b)

the negative electrons are repelled by the neutral neutrons

c)

the negative electrons are attracted to the positive protons

d)

the negative electrons are repelled by the positive protons

53.

All matter is made of _____.

a)

light

b)

energy

c)

cells

d)

atoms

54.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
55.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
56.
True or False? Neutrons have a negative charge
a)
True
b)
False
57.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
58.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
59.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
60.
The symbol for Carbon is
a)
6
b)
12.011
c)
C
d)
Ca
61.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
62.
All matter is made of 
a)
energy 
b)
atoms 
c)
air
d)
chemistry
63.
What is the smallest?
a)
worm
b)
molecule
c)
galaxy
d)
atom
64.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
65.
Where are protons located in the atom?
a)
orbitals
b)
nucleus
c)
rings
d)
positive
66.
Where are neutrons located in the atom?
a)
shells/orbitals
b)
rings
c)
center
d)
nucleus
67.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
68.
What is the atomic number for an element with twelve protons?
a)
2
b)
12
c)
24
d)
6
69.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
70.

Observe what happens to the motion of the penny. Which of Newton's Laws does this represent?


Observe lo que sucede con el movimiento del centavo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

71.

Watch the first marble as it collides with the second marble . Which of Newton's Laws does this represent?


Observar cómo choca la primera canica con la segunda canica. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

72.

Observe the motion of the washer as the notecard is pulled quickly out from under it. Which of Newton's Laws does this represent?


Observar el movimiento de la moneda mientras saca rápidamente el papel de debajo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

73.

Watch what happens as Blake releases the balloon. Which of Newton's Laws does this represent?


Mira lo que sucede cuando Blake suelta el globo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, interia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

74.

Observe the 2 bottles of paint with a notecard in between. As we attempt to remove the card without disturbing either bottle, which of Newton's Laws does this represent?


Observe las 2 botellas de pintura con una tarjeta de notas en el medio. Mientras intentamos quitar la tarjeta sin molestar ninguna botella, ¿cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

75.

As Blake spins the bucket around, observe the motion of the washers. Which of Newton's Laws does this demonstration represent?


Mientras Blake hace girar el cubo, observe el movimiento de las monedas. ¿Cuál de las leyes de Newton representa esta demostración?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

76.

Watch as Blake pushes the 2 cars of different masses with about the same force. Observe what happens. Which of Newton's Laws does this represent?


Observa cómo Blake empuja los 2 coches de diferentes masas con aproximadamente la misma fuerza. Observa lo que pasa. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

77.

As I balance a meter stick and a ruler on my fingers, which one is easier to balance? Why? Which of Newton's Laws does this represent?


Mientras balanceo un metro y una regla en mis dedos, ¿cuál es más fácil de equilibrar? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

78.

Watch as I propel the washers across the desk. Observe what happens as I use different amounts of force.


Observa cómo empujo las monedas por el escritorio. Observe lo que sucede cuando uso diferentes cantidades de fuerza.

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

79.

Watch as I send the car down the track. What happens as I increase the force that I am using? Which of Newton's Laws does this represent?


Mira como mando el coche por la pista. ¿Qué sucede cuando aumento la fuerza que estoy usando? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

80.

As Blake drops a crumpled paper and a flat sheet of paper at the same time, which one will hit the ground first? Why? Which of Newton's Laws does this represent?


Cuando Blake deja caer un papel arrugado y una hoja de papel plana al mismo tiempo, ¿cuál caerá primero al suelo? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

81.

Watch as Blake begins to run. What happens to the sheets of paper under his feet? Why? Which of Newton's Laws does this represent?


Mira como Blake comienza a correr. ¿Qué pasa con las hojas de papel bajo sus pies? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

82.

Observe the motion of the washer as I quickly pull the card out from under it. What happened to the washer? Why? Which of Newton's Laws does this represent?


Observe el movimiento de la moneda mientras saco rápidamente la tarjeta de debajo. ¿Qué pasó con la moneda? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

83.

Observe as the first ball hits the first ball in the line on the pendulum. What happens to each ball in succession? Which of Newto's Laws does this represent?


Observar cómo la primera bola golpea la primera bola en la línea del péndulo. ¿Qué pasa con cada bola en sucesión? ¿Cuál de las leyes de Newto representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

84.

Observe what happens to the motion of the penny. Which of Newton's Laws does this represent?


Observe lo que sucede con el movimiento del centavo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

85.

Watch the first marble as it collides with the second marble . Which of Newton's Laws does this represent?


Observar cómo choca la primera canica con la segunda canica. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

86.

Observe the motion of the washer as the notecard is pulled quickly out from under it. Which of Newton's Laws does this represent?


Observar el movimiento de la moneda mientras saca rápidamente el papel de debajo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

87.

Watch what happens as Blake releases the balloon. Which of Newton's Laws does this represent?


Mira lo que sucede cuando Blake suelta el globo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, interia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

88.

Observe the 2 bottles of paint with a notecard in between. As we attempt to remove the card without disturbing either bottle, which of Newton's Laws does this represent?


Observe las 2 botellas de pintura con una tarjeta de notas en el medio. Mientras intentamos quitar la tarjeta sin molestar ninguna botella, ¿cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

89.

As Blake spins the bucket around, observe the motion of the washers. Which of Newton's Laws does this demonstration represent?


Mientras Blake hace girar el cubo, observe el movimiento de las monedas. ¿Cuál de las leyes de Newton representa esta demostración?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

90.

Watch as Blake pushes the 2 cars of different masses with about the same force. Observe what happens. Which of Newton's Laws does this represent?


Observa cómo Blake empuja los 2 coches de diferentes masas con aproximadamente la misma fuerza. Observa lo que pasa. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

91.

As I balance a meter stick and a ruler on my fingers, which one is easier to balance? Why? Which of Newton's Laws does this represent?


Mientras balanceo un metro y una regla en mis dedos, ¿cuál es más fácil de equilibrar? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

92.

Watch as I propel the washers across the desk. Observe what happens as I use different amounts of force.


Observa cómo empujo las monedas por el escritorio. Observe lo que sucede cuando uso diferentes cantidades de fuerza.

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

93.

Watch as I send the car down the track. What happens as I increase the force that I am using? Which of Newton's Laws does this represent?


Mira como mando el coche por la pista. ¿Qué sucede cuando aumento la fuerza que estoy usando? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

94.

As Blake drops a crumpled paper and a flat sheet of paper at the same time, which one will hit the ground first? Why? Which of Newton's Laws does this represent?


Cuando Blake deja caer un papel arrugado y una hoja de papel plana al mismo tiempo, ¿cuál caerá primero al suelo? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

95.

Watch as Blake begins to run. What happens to the sheets of paper under his feet? Why? Which of Newton's Laws does this represent?


Mira como Blake comienza a correr. ¿Qué pasa con las hojas de papel bajo sus pies? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

96.

Observe the motion of the washer as I quickly pull the card out from under it. What happened to the washer? Why? Which of Newton's Laws does this represent?


Observe el movimiento de la moneda mientras saco rápidamente la tarjeta de debajo. ¿Qué pasó con la moneda? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

97.

Observe as the first ball hits the first ball in the line on the pendulum. What happens to each ball in succession? Which of Newto's Laws does this represent?


Observar cómo la primera bola golpea la primera bola en la línea del péndulo. ¿Qué pasa con cada bola en sucesión? ¿Cuál de las leyes de Newto representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

98.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
99.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
100.

What law of motion does this picture represent?

a)

Newton's 3rd law

b)

Newton's 4th law

c)

Newton's 1st law

d)

Newton's 2nd law

101.

What is Newton's 2nd law of motion?

a)

Inertia

b)

Force= Mass multiplied by acceleration

c)

For every action there is a equal and opposite re-action.

d)

Law of gravity

102.

Objects with greater mass have a greater inertia; objects with less mass have less inertia.

a)

true

b)

false

103.

A unbalanced force means that an object is

a)

zero net force

b)

changing its motion

c)

sitting still

d)

object at rest

104.

Newton's 3rd Law states that for every action there is an equal and opposite ________.

a)

reaction

b)

satisfaction

c)

fraction

d)

transaction

105.

A ______ is a push or pull on an object.

a)

force

b)

speed

c)

acceleration

d)

velocity

106.

Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

a)

force or applied force

b)

weight

c)

gravity

d)

mass

107.

Net force is a combination of all ________ acting on an object.

a)

forces

b)

speeds

c)

accelerations

d)

velocities

108.

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

a)

weak

b)

strong

c)

balanced

d)

unbalanced

109.

What is Newton's 2nd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

110.

What is Newton's 3rd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

111.

What explains a quantity that has BOTH speed and direction?

a)

Inertia

b)

Force

c)

Speed

d)

Velocity

112.

The reason a boat bounces off the dock when it hits it.

a)

The boat and the dock repel each other.

b)

When the boat exerts a force on the dock, the dock exerts a force on the boat.

113.

If an object is accelerating, then the forces acting on it must be:

a)

Balanced

b)

Unbalanced

114.
 What is the unit called that measures force?
a)
Isaac
b)
Yee
c)
Newton
d)
kilogram
115.
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
116.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
117.

A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

118.

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

119.

When a truck stops suddenly, the packages on its truckbed continue to move forward. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

120.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

121.

When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.

a)

acceleration

b)

force

c)

weight

d)

magnets

122.

Which law of motion says that you must push or pull objects harder if they have more mass?

a)

1st

b)

2nd

c)

3rd

d)

4th

123.

Walking down the hall and speeding up when you turn and go down the stairs is an example of ____________.

a)

acceleration

b)

weight

c)

gravity

d)

friction

124.

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

a)

1st law of motion

b)

2nd law of motion

c)

3rd law of motion

d)

13th law of motion

125.

What law is best described by inertia?

a)

1st

b)

2nd

c)

3rd

d)

law of conservation of mass

126.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia (1st law)

b)

The Law of Acceleration (2nd law)

c)

The Law of Conservation of Momentum

d)

Action Reaction Law (3rd law)

127.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Force

d)

Kilograms

128.

What is Newton's First Law

a)

F=ma

b)

Every action has an equal and opposite reaction

c)

An object at rest stays at rest, an object in motion stays in motion.

d)

Friction

129.

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

130.

Newton's third law states that any action will have a(n) _______ and ______ reaction

a)

Equal and similar

b)

Equal and opposite

c)

Equal and different

d)

Greater and opposite

131.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

132.

What is this graph representing?

a)

Constant Speed

b)

Acceleration (speeding up)

c)

Deceleration (slowing down)

d)

No motion

133.

Who proposed that electrons move around the nucleus in circular orbits?

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

134.

Which is NOT a physical change?

a)

Cutting a pizza into equal slices.

b)

Ice cubes melting back into liquid. water

c)

Baking cupcakes.

d)

A chocolate bar melting.

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