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Quarter 3 dma review 1

Total questions: 110

Worksheet time: 4hrs 31mins

Name
Class
Date
1.
 An organized procedure to study something under controlled conditions is called:
a)
theory
b)
experiment 
c)
observation
d)
hypothesis
2.
 A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as: 
a)
theory
b)
experiment 
c)
observation
d)
hypothesis
3.

What is a testable question that can be answered by an experiment?

a)

How many animal species live in Australia?

b)

Why are birds' bones hollow?

c)

What type of chewing gum stretches the farthest?

d)

How fast does the Earth rotate around the sun?

4.

What does science include?

a)

Asking questions and searching for answers.

b)

Asking questions and guess the answers.

c)

Do experiments without asking questions.

5.

Why do scientists do investigations?

a)

To get a prize

b)

To find answers to their questions

c)

To become the best scientists

6.

How observations are made?

a)

With your senses

b)

With lab tools

c)

Both of them are correct

7.
Scientists often use visual or mathematical representations to investigate items that are very large, very small, or otherwise difficult to study.  What are these visual or mathematical representations called?
a)
experiments
b)
hypotheses
c)
models
d)
observations
8.

Models can be helpful in scientific investigations because

a)

it may not be possible to work with the real thing.

b)

they can be smaller and more manageable than the real thing.

c)

they can be safer to work with than the real thing.

d)

all of the above

9.

These describe a natural phenomenon or relationship that always occurs under specific conditions

a)

theory

b)

law

10.

These can often be represented mathematically and provide no explanation why a phenomenon occurs

a)

theory

b)

law

11.
Scientific theories are based on
a)
general assumptions of how systems work.
b)
mathematical principles that can be proven true.
c)
large amounts of data collected over time.
d)
observations from within only one scientific discipline.
12.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
13.
What is a theory?
a)
Describes what happens
b)
Explains a process
14.
What is a law?
a)
Describes what happens
b)
Explains a process
15.
A scientific ____________ is a statement that describes what always happens under certain conditions in nature.
a)
law
b)
theory
c)
method
d)
variable
16.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
17.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
18.
The measurable factor in an experiment is known as the: 
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
19.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
20.
Which of the following includes all of the subatomic particles found in the nucleus of an atom?
a)
Electrons and protons
b)
Electrons, protons, and neutrons
c)
Neutrons and electrons
d)
Neutrons and protons
21.
Which of the following would increase total kinetic energy of a substance?
a)
increase mass of the substance
b)
increase volume of the substance
c)
increase temperature of the substance
d)
all of the other three choices
22.
Based on the diagram above, which statement is correct?
a)
All isotopes of hydrogen have different numbers of electrons in them.
b)
All isotopes of hydrogen have one neutron in the nucleus.
c)
All isotopes of hydrogen have one proton in the nucleus.
d)
There are the same number of protons and neutrons in every isotope of hydrogen.
23.
Which of the following is an indication that a chemical change has taken place?
a)
the shape changes
b)
the substance dissolved
c)
a gas was produced
d)
phase change
24.
An element that is a good conductor of heat and electricity is a ___.
a)
metal
b)
non-metal
c)
metalloid
d)
noble gas
25.
The nucleus of an atom has a ___ charge.
a)
positive
b)
negative
c)
neutral
26.
Which object would replace the question mark to complete the chart?
a)
Glass Marble
b)
Aluminum Can
c)
Rubber eraser
d)
Cotton sock
27.
The bulb of a thermometer is placed in your mouth.  Which of the following explains why the level of the liquid rises in the thermometer?
a)
Hot air rises in a thermometer
b)
Thermometers are magic
c)
The liquid expands when heated
d)
Heat is changing a solid to a liquid
28.
A material that heat or electricity cannot easily pass through is called a(n) ___.
a)
conductor
b)
resistor
c)
insulator
d)
locator 
29.
A worker drops his hammer off the roof of a house. If the hammer weighs 88.2 newtons and gravity accelerates it at 9.8 m/s2, What is the mass of the hammer? (force = mass x acceleration)
a)
864.36 grams
b)
9 grams
c)
about 0.1 grams
d)
there is not enough information to answer this question
30.
Which term refers to an object's tendency to resist a change in motion?
a)
stubbornness
b)
friction
c)
inertia
d)
acceleration
31.
A path that allows only one route for an electric current is called a ____.
a)
parallel circuit
b)
switch
c)
series circuit
d)
resistor
32.
The transfer of thermal energy is called ___.
a)
heat
b)
specific heat
c)
viscosity
d)
Avada Kedavra
33.
In the ocean, water moves because of the difference in temperature. Which process causes the water to move?
a)
Radiation
b)
Conduction
c)
Convection
d)
Mutations
34.
Which statement is true about the magnets shown?
a)
The magnets will attract and pull together
b)
The magnets will repel and push apart
c)
The magnets will do nothing
d)
There needs to be an iron nail
35.
Elements of the same group possess ___.
a)
the same number of valance electrons
b)
the same number of total electrons
c)
the same number of protons
d)
different physical and chemical properties
36.
Which of the following is not a sign that a chemical reaction took place?
a)
production of gas
b)
phase change
c)
color change
d)
production of odor
37.
Which of the following is a negatively charged subatomic particle?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
38.
Which description is correct when you are trying to classify what a compound is?
a)
A compound is made up of 2 or more different elements.
b)
A compound's parts are on the Periodic Table of Elements.
c)
A compound is not on the Periodic Table of Elements.
d)
All of the above are correct.
39.
When Wyle E. Coyote is waiting for the Road Runner with a huge boulder at the top of a cliff, which type of energy is being demonstrated?
a)
mechanical
b)
kinetic
c)
potential
d)
cartoon
40.
According to the chart, what makes Material 4 different from the other materials? 
a)
Crystals are smaller
b)
Mass is greater
c)
Denser than water
d)
Is not magnetic
41.
A material a wave travels through is called a ___.
a)
vaccuum
b)
medium
c)
frequency 
d)
crest
42.
Temperature is the average amount of _____.
a)
chemical energy
b)
kinetic energy
c)
thermometer energy
d)
potential energy
43.
True or False:
The particles in both a solution and a colloid can scatter light. 
a)
True
b)
False
44.
The frequency of violet light is ____ that of yellow light.
a)
higher than
b)
lower than
c)
the same as
d)
faster than
45.

Match the Following

a)

Element

1.

A substance that cannot be broken down into simpler substances by chemical means.

b)

Atom

2.

The smallest unit of an element that keeps the element’s chemical properties.

c)

Nucleus

3.

The dense center of an atom containing protons and neutrons.

d)

Proton

4.

Positively charged particles found in the nucleus of an atom.

e)

Neutron

5.

Particles with a neutral charge found in the nucleus of an atom.

46.

Match the following

a)

Electron

1.

A negatively charged subatomic particle located around the nucleus of an atom.

b)

Electron Shell

2.

Areas around the nucleus filled with electrons. 

c)

Valence Electron

3.

The electrons filling the outermost shell; react with other atoms.

d)

Compound

4.

A substance formed from two or more atoms chemically united in fixed proportions.

e)

Molecule

5.

A group of atoms held together by chemical forces.

47.

Match the following

a)

Periodic Table

1.

All known elements arranged in order by atomic number.

b)

Family/Group

2.

Vertical columns of elements that have the same amount of valence electrons.

c)

Period

3.

Horizontal rows of elements that have the same number of electron shells. 

d)

Atomic Mass/Mass Number

4.

The average number of protons and neutrons in one atom of an element.

e)

Metal

5.

Elements that are malleable, ductile, and good conductors; typically shiny.

48.

Match the following

a)

Metalloid

1.

An element that has properties that fall between metals and nonmetals.

b)

 Nonmetal

2.

Elements that are brittle, poor conductors, and have low melting and boiling points.

c)

Noble Gas

3.

Elements in group 18 that have very low reactivity.

49.

Using a periodic table (you can use the one in the textbook) order the following elements by mass number, least to greatest.

a)

Hydrogen

b)

Boron

c)

Gallium

d)

Thallium

e)

Radon

1)
2)
3)
4)
5)
50.

Using a periodic table (you can use the one in the textbook) order the following elements by # of Electron Shells, least to greatest.

a)

Sodium

b)

Calcium

c)

Strontium

d)

Barium

e)

Dubnium

1)
2)
3)
4)
5)
51.

Using a periodic table (you can use the one in the textbook) order the following elements by # of valence electrons, least to greatest.

a)

Potassium

b)

Barium

c)

Carbon

d)

Oxygen

e)

Neon

1)
2)
3)
4)
5)
52.

How many electron shells does the pictured atom have?

a)

1

b)

2

c)

3

d)

4

53.

How many valence electrons does the pictured atom have?

a)

20

b)

3

c)

2

d)

4

54.

Which one appears least on the periodic table?

a)

Metals

b)

Metalloids

c)

Non-Metals

55.

The center of an atom is known as the

a)

nucleus

b)

electron cloud

c)

neutron cloud

d)

mass circle

56.
These particles have a mass of 1 amu
a)
protons and neutrons
b)
protons and electrons
c)
neutrons and electrons
57.
Protons have this type of charge
a)
positive
b)
negative
c)
neutral - no charge
58.
A particle that orbits around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
59.

What does the nucleus of an atom contain?

a)

Electrons and neutrons

b)

Protons and neutrons

c)

Neutrinos and positrons

d)

Electrons and megatrons

60.
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
61.
This subatomic particle has basically no mass
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
62.
Neutrons have this type of charge
a)
positive
b)
negative
c)
neutral - no charge
63.
The atomic number of an atom is the number of 
a)
protons in its electron cloud
b)
protons in its nucleus
c)
neutrons in its nucleus
d)
electrons and neutrons in the nucleus
64.
All matter is made of what?
a)
energy 
b)
atoms 
c)
volume
d)
compounds 
65.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined 
66.
Electrons have this type of charge
a)
positive
b)
negative
c)
neutral - no charge
67.
The two areas of an atom are the 
a)
nucleus and electron cloud
b)
proton cloud and nucleus
c)
inside and outside
d)
mass and volume
68.

How many atoms are in this molecule?

a)

1

b)

2

c)

3

d)

4

69.
The mass of one proton is greater than the mass of one...
a)
neutron
b)
electron
70.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
71.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
72.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
73.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
74.
What is an atom mostly made up of?
a)
protons
b)
electrons
c)
empty space
d)
neutrons
75.

Drag the correct force to the box where that force is happening.

a)Friction
b)Air Resistance
c)Applied Force
1
2
3
1)
2)
3)
76.

Two surfaces rubbing together is called ​ (a)   . An example of this is ​ (b)   which works on objects falling through the air.

Choose from the below words
friction
air resistance
77.

Match the following

a)

push or pull that causes an object to move, stop, or change direction

1.

force

b)

unit used to measure force

2.

Newton

c)

something returning to its original shape after being squeezed or stretched

3.

elastic

d)

force transmitted through a rope , string, cable, or wire when it is pulled tight by forces acting from opposite ends

4.

tension

e)

push or pull exerted by a magnet

5.

magnetism

78.

Immediately after this picture, the balloon will be able to exert which force?

a)

gravity

b)

electrical

c)

friction

d)

spring

79.

Wil E. Coyote is using what force to move?

a)

friction

b)

magnetism

c)

spring

d)

tension

80.

These skydivers are experiencing what two forces?

a)

electricity and magnetism

b)

gravity and tension

c)

air resistance and gravity

d)

gravity and normal force

81.

Which force will propel Wil E. Coyote forward?

a)

elastic

b)

friction

c)

air resistance

d)

gravity

82.

Which force will pull Wil E. Coyote down?

a)

elastic

b)

friction

c)

air resistance

d)

gravity

83.

Which force will make Wil E. Coyote slow down?

a)

elastic

b)

friction

c)

air resistance

d)

gravity

84.

Electrical, gravitational, and magnetism are all ​ (a)   forces, while friction, normal force, and applied force are types of ​ (b)   forces.

Choose from the below words
non-contact
contact
air resistance
energy types
85.
Question Image

Match the following forces to how they are working on the cake.

a)

gravity

1.

keeping the cake on the table

b)

normal force

2.

the force the table is putting on the cake

c)

air resistance

3.

not affecting the cake

86.

Which forces does this train have to overcome to reach its maximum speed?

a)

electricity, friction, and air resistance

b)

gravitational, magnetic, normal force

c)

tension, spring, friction

d)

friction, air resistance, gravitational

87.

Label the forces acting in this image.

a)applied force
b)gravity
c)normal force
d)friction
1
2
3
4
1)
2)
3)
4)
88.

Label the forces acting in this picture.

a)applied force
b)tension
c)normal
d)gravity
1
2
3
4
1)
2)
3)
4)
89.

Label the forces acting in this picture.

a)air resistance
b)applied
c)gravity
1
2
3
1)
2)
3)
90.

Weight is _________.

a)

the quantity of matter in an object.

b)

the measure of an object's inertia.

c)

the force exerted by gravity on an object's mass.

d)

equal to the mass of an object.

91.

Weight is constant.

a)

True

b)

False

92.

Mass is often constant for a given object.

a)

True

b)

False

93.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
94.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
95.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
96.
The scientific unit of weight is
a)
Kg
b)
N
c)
pounds
d)
Kgm/s
97.
The scientific unit for mass is
a)
Kg
b)
N
c)
pounds
d)
ounces
98.
The mass of an object ___________ as it moves away from the center of Earth
a)
stays the same
b)
decreases
c)
increases
d)
doubles
99.
As an object's mass increases, its gravitational pull will ____________.
a)
decrease
b)
increase
c)
stay the same
d)
get weaker
100.
If an object has more mass, then it will
a)
weigh more.
b)
weigh less.
c)
weigh the same as an object with less mass.
d)
always have more volume than an object with less mass.
101.
What is the best definition for mass?
a)
how much space an object takes up
b)
how much matter an object contains
102.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
103.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
104.
Which runner had a head start?
a)
A
b)
B
c)
C
105.
At what time did runner A pass runner B?
a)
0 seconds
b)
1 second
c)
2 seconds
d)
3 seconds
106.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
107.

Susie went to the store, when she got there she realized that she forgot her wallet and returned home.


Which graph matches this motion?

a)
b)
c)
d)
108.

Deb walked to the ice cream shop. Sat and ate her ice cream and then went for a run.


Which graph matches this motion?

a)
b)
c)
d)
109.

Which person moved the fastest in 3 seconds?

a)

biker

b)

runner

c)

walker

d)

they are all moving equally

110.

Match the following parts of an experiment set up

a)

things kept the same in an experiment

1.

controlled variables

b)

factor the experimenter changes

2.

independent variable

c)

factor that is measured

3.

dependent variable

d)

does NOT receive the experiment treatment

4.

control group

e)

procedure done to test a hypothesis

5.

experiment

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