stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Science Exam part one Flashcards | StudBud
Explore
/
Science Exam part one
Science Exam part one
99 terms
·
StudBud Administration
·
24 plays
Imported from external platform
Flashcards
99 cards
F
Practice quiz
P
Host live
L
Questions
99
Answers
1
An educated guess
hypothesis
law
theory
2
Any characteristics of a material that can be observed without changing the composition
Physical Property
Chemical Property
3
Materials ability to burn in presence of Oxygen
Reactivity
Flammability
4
After testing your hypothesis, what is the step in the scientific method?
Ask questions
Making conclusions
Test again
5
What units are a combination of base units?
Unit
Kevin
Derived
6
Neutrons have a ______ charge, Electrons have a _____ charge
Positive ; Negative
Negative ; Neutral
Neutral ; Negative
7
The ability of a solid to be hammered without shattering
Ductility
Malleability
Viscosity
8
SI unit for pressure is...
Kilopascal
Newton
Pascal
9
P1V1/T1=P2V2/T2
Charles's gas law
Combined gas law
10
Type of change when properties may change, but substance remain the same
Chemical
Physical
11
What are two types of mixtures?
Heterogenous
Homogenous
Hydrogen
12
A way of learning about the natural world by gathering information
Technology
Science
Biology
13
the study of living things
Physics
Geology
Biology
14
Each orbital can contain two electrons at most.
True
False
15
Scientist that used electric current to learn more about atoms
Aristotle
Niels Bohr
JJ Thomson
16
Philosopher to coin the name atoms ; Philosopher that believed atoms could be divided continuously
Democritus ; Aristotle
Aristotle ; Democritus
17
Condensation
Gas to liquid
Liquid to gas
18
The two common separation methods....
Distillation
Filtration
Dilation
Filature
19
Vaporization
Gas to liquid
Liquid to gas
20
Ratio of an objects mass to its volume
Mass
Volume
Density
21
Substances dissolved and form a a homogenous mixture
Colliod
Solution
Suspension
22
The temp. at which a substance changes from a solid to a liquid
Melting point
Boiling point
Density
23
In a solid the particles are....
in an orderly arrangement
loosely packed
tightly packed
24
Scientist can use electron cloud model to describe the exact locations of electrons around the nucleus.
True
False
25
Factors that affect gas pressure
all
Temp
Volume
# of particles
26
What is this chart?
Bar graph
Line chart
Data table
27
This can be used to test the purity of a substance
Density
Dent
Malleability
28
The scientific method is an organized plan for gathering, organizing, and communicating info
False
True
29
Pure substances are:
Homogenous Mixture
Heterogenous mixture
Matter that always has the same composition
30
V1/T1=V2/T2
Charle's gas law
Combined gas law
31
Comparing two materials by scratching each other to see if there is a mark left
Melting point
Hardness
Density
32
What is a substance that is made from two or more simpler substances?
Mixture
Compound
Pure substance
33
Quantity of matter in an object or sample
Density
Width
Mass
34
The resistance to keep from flowing
Ductility
Viscosity
Malleability
35
An isotope can be written in two diff. formats
True
False
36
Formula to find kelvin
degrees celsius - 273 = K
degrees farenheight + 273 = K
degrees celsius + 273 = K
37
Which is not a main point of the kinetic theory as it relates to gasses?
Constant motion of particles allows gas to fill a container
The motion of one particle is unaffected unless it hits another particle
Forces of attraction are weak due to collisions
Particles in a gas are in constant motion
38
the study of the origin, history, and structure of Earth
Technology
Geology
Science
39
Why do we use element symbols?
To organize alphabetically
To find their atomic weight
So scientists can communicate without confusion
40
What are the two missing phase changes? Melting, Freezing, Condensation, Vaporization...
Evaporation, Boiling
Sublimation, deposition
41
If I change the # of protons this will also change the _______ name.
Molecular
Element
Proton
42
P1V1=P2V2
Combined gas law
Boyles gas law
43
What is the fourth state of matter
solid
gas
plasma
44
A solid has....
non vibrating particles
definite shape
definite volume
45
Excited states are less stable
True
False
46
Contains some particles that are intermediate in size and scatter light
Solution
Suspension
Colloid
47
The energy of an electron can change when it only gains energy.
True
False
48
Liquid particles are....
attracted to one another, tightly packed, can move around
attracted to one another, not tightly packed, can move around
49
Type of change occurs when a substance reacts and forms one or more new substances
Chemical
Physical
50
The temp. at which a substance boils
Hardness
Boiling point
Melting point
51
Deposition
Gas to solid
Solid to gas
52
the use of knowledge to solve practical problems
Technology
Physics
Geology
53
An atom that has a diff. # of neutrons than protons, it is called a(n) ________.
Isotope
Subatomic Particle
Individual Subatomic Particle
54
Scientist that named alpha particles in the gold foil experiment
Aristotle
James Chadwick
Earnest Rutherford
55
The ability to allow heat to flow
Ductility
Malleability
Conductivity
56
When all the electrons in an atom have the lowest possible energies , this is the excited state.
True
False
57
Information we obtain through sleeping is called observations
True
False
58
What are the three states of matter
liquid
gas
solid
all
59
Life science covers the study of all living things
False
True
60
What is the smallest particle of an element?
Element
Compound
Atom
61
The study of the composition, structure, properties, and reactions of matter
Science
Chemistry
Geology
62
the study of the universe beyond earth
Astronomy
Physics
Biology
63
Gas particles are......
Not attracted to one another because they are colliding so quickly
Not attracted to one another because they are colliding so slowly
64
What make it easier to understand things that might be too difficult to observe directly?
Models
Telescopes
Laws
65
Formula to find the number of neutrons
m = m-p
p = n - p
n = m - p
66
Straight line distance between two points
Width
Lean
Wide
Length
67
How readily a substance combines chemically with other substances
Reactivity
Flammability
68
Physical properties are used to....
Choose a material for a specific purpose
Identify a material
Separate the substance in a mixture
All of the above
69
A gas has no definite shape or volume
True
False
70
3 common types of evidence for a chemical change.......
formation of precipitate
change in color
formation of gas
all
71
Two examples of chemical properties......
Reactivity
Flagrant
Flammability
72
An endothermic change is when the system ______ energy.
Releases
Absorbs
73
What is the diff. between precision and accuracy?
Precision = gauges the difference Accuracy= gauges the closeness
Precision = gauges the exactness Accuracy= gauges the closeness
Precision = gauges the closeness Accuracy= gauges the exactness
74
To find the number of neutrons in an atom, you must take______ - ______
Mass # - Atomic #
Atomic # - Mass #
75
What is this chart?
Bar graph
Pie chart
Data table
76
The branch of physical science includes Chemistry and Astronomy
True
False
77
Protons have a ________ charge.
Negative
Neutral
Positive
78
Protons, neutrons, and electrons are _____ particles of an atom.
Subatomic
Individual
Tiny
79
Vaporization
Exothermic and bile
Boiling and evaporation
80
An exothermic change is when the system ______ energy.
absorbs
releases
81
Scientists can communicate their results by writing in scientific journals or speaking at ________.
Their labs
Churches
Conferences
82
A scientific law is a well-tested explanation for experimental results
False
True
83
Scientist that created a model of an atom similar to the solar system
Niels Bohr
Ernest Rutherford
James Chadwick
84
Element symbols are composed of....
one or two letters
one or two numbers
one number
85
Sublimation
solid to gas
gas to solid
86
Heterogenous mix that separates into layers over time
Suspension
Solvent
Solution
87
a liquid has......
definite shape
Definite volume
not a definite shape
88
A way scientists can write very large or very small numbers
Scientific law
Hyperbole
Scientific notation
89
Science and technology are interdependent. When one advances, so does the other.
True
False
90
Particles don't move/vibrate in a solid
True
False
91
What is this chart?
Data table
Bar graph
Line graph
92
The three branches of Natural science include Physical science, Life science, and Social science
True
False
93
Energy an object has due to its motion.....
Kinetic theory
Kinetic energy
94
the study of matter and energy and the interactions between the two through forces and motion
Chemistry
Technology
Physics
95
Scientist that produced neutral atoms called neutrons
James Chadwick
John Dalton
Niels Bohr
96
Scientist that developed the atomic theory
Niels Bohr
J.J. Thomson
John Dalton
97
What is the diff. between the manipulated and responding variable?
One you don't graph
Manipulated=changes purposely Responding=changes in response to m. variable
Manipulated=doesn't change Responding=changes in response to m. variable
98
What is this chart?
Bar graph
Line graph
Pie chart
99
Says that all particles of matter are in constant motion....
Kinetic energy
Kinetic theory
