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Physical Science Midterm Review
Physical Science Midterm Review
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1
What does Boyle's Law State?
If volume increases, pressure decreases
If volume decreases, pressure decreases
If volume decreases, pressure increases
If volume increases, pressure increases
2
Concrete is not a pure substance
True
False
3
A state of matter that consists of free-moving ions and electrons
Gas
Plasma
The state of cat
Fluid
4
A group of atoms that are held together by chemical forces
Molecule
Atom
Compound
Element
5
How do science and technology depend on each other?
Science is knowledge about the nature. Technology is application of science
Science is technology from nature. Technology is the application knowledge
6
The ability & willingness to assess claims critically and make judgements on the basis of objective & supported reasons
Critical Thinking
Accuracy
Scientific Notation
Precision
7
A change that occurs whne one or more substances change into entirely new substances with different properties
Chemical change
Chemcial properties
8
Gasoline is a pure substance
True
False
9
The "billiard ball" model.
Bohr
Thomson
Dalton
Rutherford
10
Atoms contain mostly empty space.
20th Centruy
Dalton
Thomson
Rutherford
11
Most of an atom's mass is in the nucleus.
Dalton
Rutherford
Thomson
20th Century
12
(5.5 x 10
-9
) / (2.5 x 10
-2
)
2.2 x 10-11
2.2 x 10-7
22.2 x 10-7
13
The capacity of a substance to combine chemcially with another substance
Reactivity
Chemcial Properties
Boiling point
Chemical Change
14
A measure of the gravitational force exerted on an object
Weight
Volume
Power
Mass
15
(4.2 x 10
4
) x (2.9 x 10
9
)
1.218 x 1014
1.218 x 1013
12.18 x 1014
0.1218 x 1014
16
The exactness of a measurement
Precision
Accuracy
17
the smallest unit of an element that maintians the chemical properties of that element
Element
Molecule
Compound
Atom
18
All matter is made up of four elements: fire, air, water, and earth.
Dalton
Thomson
Aristotle
Democritus
19
Electrons move around the nucleus billions of times in a second.
Rutherford
Bohr
20th Century
Thomson
20
A blimp (with area of 3500 cm by 1000 cm) falls over in a field exerting 5300N of force. What pressure is on the ground?
41.15 Pa
15.14 Pa
11.54 Pa
14.51 Pa
21
A balloon initally has a volume of 0.4 L and a temperature of 20
o
C. Find volume if temperature increases to 250
o
C
71.4 L
0.714 L
7.14 L
0.00714 L
22
Counting Atoms: 5Ga
2
(Cr
5
O
6
)
3
175 g
75 g
75
175
23
The temperature and pressure at which a liquid becomes a gas
Melting point
Reactivity
Boiling point
Chemical Change
24
What is the density of a brick of salt measuring 10 cm x 10 cm x 2 cm weighing 433 grams
0.2165 g/cm3
2.165 g/cm3
21.65 g/cm3
216.5 g/cm3
25
Brown spots on a banana is a chemical change
False
True
26
A pure substance is matter with constant compositions that is chemcially combined. All particles have same properties
True
False
27
The transitional phase during sublimation when a substance changes form a liquid to a gas
Sublimation
Condensation
Viscosity
Vaporization
28
There are 18 groups on the periodic table.
True
False
29
Condensation: The change of state from a gas to a liquid
False
True
30
A measure of how hot (or cold) something is
Pascal
How many Tik Tok trends you know
Temperature
Energy
31
Viscosity: The resistance of a liquid to flow
False
True
32
A substance made up of atoms of two or more different elements joined by chemical bonds
Molecule
Element
Matter
Compound
33
A factor that changes in an experiment in order to test a hypothesis
Variable
Significant Figure
Weight
Mass
34
Find the mass of a diamond with a density of 3.5 g/cm3 and volume of 0.5 cm3
17.5 g
0.175 g
1.75 g
I cant afford this math problem!
35
A description of how close a measurement is to the true value of the quantity measured
Precision
Accuracy
36
A prescribed decimal place that determines the amount of rounding off to be done based on precision
Scientific Figure
Model
Variable
Scientific Notation
37
The temperature and pressure at which a solid becomes a liquid
Chemical Properties
Reactivity
Boiling Point
Melting Point
38
Molar Mass: 4K
2
CO
3
552 g
552 atoms
525 atoms
525 g
39
A measurement of how much matter is contained withing a certain volume of a substance
Density
Mass
Volume
Matter
40
The laws that state the mathematical relationships between the volume, temperature, pressure, and quantity of a gas
Newton's Laws
Gas Laws
Pascal's Law
Darwin's Law
41
125 millimeter to meters
1.25 meters
0.0215 meters
something meters :)
0.125 meters
42
Anything that has mass and takes up space
Volume
Compound
Mass
Matter
43
What does Gay-Lussac's Law State?
If pressure increases, temperature decreases
If pressure decreases, temperature increases
If pressure decreases, temperature decreases
IF pressure increases, temperature increases
44
186,282 miles to meters
983,568,960 meters
299,868,584.4 meters
299,868,584.4 miles
WHY IS MATH IN PHYSICS! I DIDNT SIGN UP FOR THIS!
45
The SI unit of pressure; the force of one newton exerted over an area of one square meter
Energy
Viscosity
Temperature
Pascal
46
A method of expressing a quantity as a number multiplied by 10 to the appropriate answer
Model
Significant Figure
Variable
Scientific Notation
47
If 0.965 kg of aluminum has a density of 2.7 g/cm
3
, what is the volume?
0.357 cm3
357.41 cm3
35.741 cm3
3.5741 cm3
48
A nonsolid state of mater in which atoms or molecules are free to move past each other, as in a gas or liquid
Fluid
Gas
the state of cat
Semisolid
49
The physical form of a substance
State
Chemcial properties
Matter
Element
50
12mL of neon experiences pressure drop from 75 KPa to 53 KPa and an increase of temp from 27
o
C to 93
o
C. Find volume
20.72L
2.72 L
27.02 L
22.07 L
51
Electrons travel in paths called energy levels.
Bohr
Rutherford
Thomson
Dalton
52
The process in which a solid changes directly to a gas
Sublimation
Energy
Condensation
Vaporization
53
A representation of an object or event that can be studied to understand the real object or event
Model
Variable
Your textbook you never used
Significant Figure
54
1.6 Liters to milliliters
16 milliliters
1600 milliliters
16,000 milliliters
160 milliliters
55
The capacity to do work
Energy
Plasma
Extra Credit!
Temperature
56
Describes how a substance changes into a new substance
Boiling point
Chemical Change
Chemical Properties
Melting point
57
A mixture is matter with variable composition made from tow or more substances that is not chemically combined
False
True
58
Table salt is a compound.
True
False
59
A measure of the amount of matter in an object
Weight
All the dougnuts in Homer's stomach
Volume
Mass
60
The "chocolate chip cookie" model.
20th Century
Rutherford
Bohr
Thomson
61
Air is a mixture
True
False
62
The "solar system" model.
Thomson
Dalton
Aristotle
Bohr
63
Atoms are made of a single material that is formed into different shapes.
Democritus
20th Century
Dalton
Rutherford
64
88 inches to miles
0.001389 mi
0.1389 miles
0.0001389 m
0.001389 m
65
What does Charle's Law state?
If volume decreases, temperature decreases
If volume increases, temperature increases
IF volume increases, temperature decreases
If volume decreases, temperature increases
66
A substance that cannot be separated or broken down into simpler substances by chemical means
Matter
State
Atom
Element
67
There are small, negatively charged particles inside an atom called electrons.
Thomson
Rutherford
Dalton
20th Century
68
Milk turning sour is a chemical change
False
True
69
A measure of the size of a body or region in 3D space
Volume
Model
Weight
Mass
70
Atoms of the same element are exactly the same.
Thomson
Democritus
Bohr
Dalton
71
Salt dissolving in water is a chemical change
True
False
