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Chapter 14-15 review Flashcards | StudBud
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Chapter 14-15 review
Chapter 14-15 review
111 terms
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Answers
1
What is a property?
Its color or shape
All of the above
A way to describe matter
Its odor or hardness
2
Solutions are special kinds of
Mixtures
Compounds
Both
3
What are the four main parts of an atom?
Electrons, hydrogen, energy, photons
Nucleus, mitochondria, electrons, cytoplasm
Nucleus, electrons, protons, neutrons
Electrons, quarks, neutrinos, energy
4
What happens between atoms to create compounds?
Atoms are shared
A chemical change occurs
Bonds form
All of the above
5
Which type of change produces a change in smell?
Chemical
Neither
Physical
6
Which type of change is freezing?
Neither
Physical
Chemical
7
What makes water especially important for life?
All of the above
That solid water is less dense than liquid water
The unique structure of water molecules
That ice will float
8
Not all substances made of the same element have the same properties
False
True
9
Which type of change is shredding?
Neither
Chemical
Physical
10
When water goes from liquid to gas it has
melted
evaporated
condensed
frozen
11
Energy is
Is what we consume for food
What makes the Earth go around the Sun
The ability to do work or produce heat
All of the above
12
Mass is
All of the above
How much it weighs
The amount of matter in something
The amount of energy in something
13
Which type of change produces gas bubbles?
Chemical
Physical
Neither
14
Elements...
Are substances that can't be broken down into simpler substances
All of the above
Are grouped into families based on their properties
Are either metals or nonmetals
15
What kinds of energy is used by a windmill?
Light/Solar
Mechanical
Chemical
Electrical
16
Which type of change is reversible?
Chemical
Neither
Physical
17
What are the two main kinds of energy?
Heat and Light
Kinetic and Potential
Chemical and Physical
All of the above
18
Chemical changes
involve a change in or more physical property of a substance
Both
involve a change in the chemical composition of a substance
19
Energy has no mass
True
False
20
How many known elements are there?
118
136
125
112
21
Which parts of the atom are found in the nucleus?
All of the above
Electrons
Neutrons
Protons
22
What does increased pressure do to a gas?
Evaporates it
Liquifies it
Condenses it
Solidifies it
23
Energy released when a nucleus of an atom is broken apart is called
Nuclear Fusion
Nuclear Fission
Nuclear Power Plant
24
What is the Boiling point/Condensation point of water?
0 degrees C
100 degrees C
Neither
25
What happens in a solution?
All of the above
One substance dissolves into the other
One substance evaporates
One substance solidifies
26
When does using water displacement become tricky?
When you don't have any water
When you can't weigh the object
All of the above
When the object floats
27
How is energy often released?
As heat or light
As pressure or heaviness
As sound or vibration
All of the above
28
What keeps the electrons close to the nucleus of an atom?
They are negatively charged and the nucleus is positively charged
They are spinning to fast to move further away
They are positively charged and the nucleus is negatively charged
The charge of the neutrons in the atom
29
How do you figure out the number of neutrons from the periodic table?
Look at A
Look at B
Do a calculation
Look at C
30
Water, salt, and sugar are all examples of
elements
mixtures
compounds
atoms
31
All matter is made up of...
Protons, neutrons, and electrons
Elements
Atoms
All of the above
32
How do we figure out density?
D = Volume + Mass
D = Volume/Mass
D = Mass - Volume
D = Mass/Volume
33
Which state of matter is the most tightly packed?
solid
gas
liquid
34
Physics is the scientific study of...
how matter interacts with living things
how energy is created and destroyed
what matter is made of and how it reacts to other matter
what energy is and how it interacts with matter
35
When movement of a windmill is used to provide energy to a lightbulb, it's transformed from which type to which type?
Solar to Mechanical
Mechanical to Electrical
Nuclear to Chemical
Chemical to Mechanical
36
Which type of change is rotting?
Neither
Physical
Chemical
37
The temperature at which liquids evaporate is called
Boiling point
Freezing point
Melting point
Condensation point
38
How does pressure impact molecules?
It causes them to move faster
It pushes them together
It pushes them farther apart
It causes them to move slower
39
What kinds of energy is in the form of electrons moving through a substance?
Mechanical
Heat
Electrical
Chemical
40
How do you figure out the number of neutrons from the periodic table?
C - A
A + C
A - C
All of the above
41
What does increased pressure do to a liquid?
Condenses it
Liquifies it
Evaporates it
Solidifies it
42
When a girl rides her bike after eating she is transforming energy from which type to which type?
Solar to Mechanical
Nuclear to Chemical
Chemical to Mechanical
Mechanical to Electrical
43
What is C pointing at?
The element symbol
The atomic number
The atomic mass
The element name
44
If an object floats, how can you make sure to get an accurate measurement of volume?
Weigh the object down so it is completely under the water
Push the object down with your hand
Poke a hole in it to let out some air
All of the above
45
Nitrogen, Oxygen, Hydrogen, are examples of...
Families
All of the above
Non-metals
Metals
46
Which type of change is melting?
Chemical
Physical
Neither
47
Atoms have the same number of electrons as neutrons
False
True
48
A mixture is
the same as a compound
made of elements/compounds mixed together AND chemically bonded
all of the above
made of elements/compounds mixed together but NOT chemically joined
49
Gold, Oxygen, and Nitrogen are examples of...
All of the above
Elements
Nonmetals
Metals
50
What kinds of energy do we use for food?
Electrical
Solar/Light
Heat
Chemical
51
Kinetic energy is
energy stored in matter
energy from movement
both
52
When water goes from gas to liquid it has
evaporated
condensed
frozen
melted
53
When water goes from liquid to solid it has
frozen
condensed
melted
evaporated
54
What is A pointing at?
The atomic number
The element name
The atomic mass
The element symbol
55
All elements have the same number of electrons
True
False
56
How do you figure out the number of electrons from the periodic table?
Look at C
Look at B
Do a calculation
Look at A
57
Volume tells you...
what state of matter it is in
how heavy it is
how much space something takes up
all of the above
58
Diamonds and graphite are two forms of carbon that show us what principle?
Energy cannot be created or destroyed
All of the above
Not all substances made of an element have the same properties
The differences between metals and nonmetals
59
Mud, cement, sea water are all examples of
elements
compounds
mixtures
atoms
60
The molecules in solids, liquids, and gases are in constant motion
True
False
61
Pressure changes alone won't change the state of a liquid into a solid or solid into a liquid
False
True
62
The temperature at which gases liquify is called
Boiling point
Condensation point
Melting point
Freezing point
63
What does physical sciences mean?
The scientific study of the Earth
All of the above
The scientific study of living things
The scientific study of properties of matter
64
What kinds of energy is produced when you rub your hands together?
Electrical
Mechanical
Heat
Chemical
65
Density is
how much mass something has for its size
All of the above
The mass per volume
how much mass something has for a given amount of space
66
All elements have all four parts of the atom
True
False
67
Energy released when a two or more nuclei of atoms join together is called
Nuclear Fission
Nuclear Fusion
Nuclear Power Plant
68
How do you figure out the number of protons from the periodic table?
Do a calculation
Look at B
Look at A
Look at C
69
Which type of change is breaking?
Neither
Chemical
Physical
70
What is D pointing at?
The atomic mass
The atomic number
The element name
The element symbol
71
Potential energy is
both
energy from movement
energy stored in matter
72
Where are the electrons found in an atom?
Circling the nucleus at high speeds
Outside the nucleus
In the electron cloud
All of the above
73
Element families are...
each given their own color on the periodic table
smaller groups within the two main groups of metals and non-metals
groups of elements that share certain properties
all of the above
74
Chemistry is the scientific study of...
what energy is and how it interacts with matter
how matter interacts with living things
what matter is made of and how it reacts to other matter
how energy is created and destroyed
75
Physical changes
involve a change in or more physical property of a substance
involve a change in the chemical composition of a substance
Both
76
Gold, Iron, Copper are examples of ...
Gases
Non-metals
Metals
All of the above
77
What kinds of energy is stored in molecules?
Electrical
Chemical
Heat
Mechanical
78
Which type of change is crushing?
Neither
Physical
Chemical
79
Which state of matter is the least tightly packed?
liquid
solid
gas
80
What kinds of energy do plants use for food?
Heat
Chemical
Electrical
Solar/Light
81
How do you know if something will float or sink in water?
By knowing if it has more or less volume than water
All of the above
By knowing if it is more or less dense than water
By knowing if it has more or less mass than water
82
How can you figure out the volume of an object?
By weighing it
All of the above
By measuring water displacement
By seeing if it floats
83
Energy cannot be created or destroyed
True
False
84
Which type of change is rusting?
Physical
Neither
Chemical
85
Which element is the exception to the rule that all elements have all four parts of the atom?
Hydrogen
Oxygen
Nitrogen
Carbon
86
Gas matter has
No definite volume or shape
All of the above
Definite shape and volume
Definite volume but no definite shape
87
Which type of change produces new substances?
Chemical
Neither
Physical
88
Which type of change requires energy?
Physical
Neither
Chemical
Both
89
Which two factors determine the state of matter?
Height and Width
Temperature and Pressure
Size and Shape
Mass and Volume
90
What is matter?
That which occupies space and possesses mass
That which occupies space and does not possess mass
That which possesses mass, and does not occupy space
All of the above
91
The temperature at which solids liquify is called
Melting point
Freezing point
Condensation point
Boiling point
92
What are the two main branches of physical science?
Chemistry and Physics
Physics and Biology
Chemistry and Biology
Physics and Earth Science
93
What kinds of energy is stored in the nucleus of an atom?
Electrical
Nuclear
Mechanical
Chemical
94
Which type of change is cooking?
Chemical
Neither
Physical
95
What is the density of water?
100 g/ml
1 g/ml
10 g/ml
96
What property of the atoms allow for "opposites attract"?
Electrons are positively charged and protons are negatively charged
Electrons are positively charged and neutrons are negatively charged
Neutrons are negatively charged and protons are positively charged
Electrons are negatively charged and protons are positively charged
97
Solid matter has
All of the above
Definite shape and volume
No definite volume or shape
Definite volume but no definite shape
98
What kinds of energy is used by a water wheel?
Nuclear
Chemical
Electrical
Mechanical
99
How does heat impact molecules?
It causes them to move faster
It pushes them together
It causes them to move slower
It pushes them farther apart
100
How can you figure out the mass of an object?
By seeing if it floats
By weighing it
By measuring water displacement
All of the above
101
What kinds of energy is lightning?
Heat
Mechanical
Chemical
Electrical
102
What is the freezing point/melting point of water?
100 degrees C
0 degrees C
Neither
103
Liquid matter has
No definite volume or shape
Definite volume but no definite shape
Definite shape and volume
All of the above
104
The temperature at which liquids solidify is called
Boiling point
Condensation point
Freezing point
Melting point
105
What is B pointing at?
The atomic mass
The atomic number
The element symbol
The element name
106
Which type of change produces heat?
Physical
Neither
Chemical
107
Compounds are
substances formed when atoms of only two different elements join chemically
substances formed when atoms of only one kind of element joins chemically
substances formed when atoms of two or more elements join chemically
108
Atoms have the same number of protons as electrons
False
True
109
When water goes from solid to liquid it has
frozen
evaporated
condensed
melted
110
When you squish a loaf of bread into a ball, what have you changed?
The density
All of the above
The mass
The weight
111
What kinds of energy is provided by the sun?
Mechanical
Light/Solar
Electrical
Chemical
