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Physical Science > Chapter 1-2 > Flashcards

Chapter 1-2 Flashcards

1
Q

What is the amount of matter in an object?

A

mass

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2
Q

What is the amount of space matter takes up?

A

volume

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3
Q

320,000,000 in scientific notation

A

3.2 x 10 to the 8 power

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4
Q

The absolute temperature scale uses units of?

A

kelvins

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5
Q

A kilometer is equal to ?

A

1000 m

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6
Q

How closely a measurement reflects the actual value is called?

A

accuracy

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7
Q

The repeatability of a measurement is called?

A

precision

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8
Q

A specific measure to which other measures are compared to ensure uniformity is called a _____ of measure.

A

standard

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9
Q

A verified theory that has stood the test of time is called?

A

scientific law

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10
Q

A tentative explanation or unproven idea is a?

A

hypothesis

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11
Q

Using proper significant figures, 5.8 x 6.30 =

A

36.54

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12
Q

Any property that can be determined without changing the type of matter is a _____ property.

A

physical

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13
Q

The technique of converting units that uses cancellation of conversion factors is _____

A

dimensional analysis

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14
Q

The ratio of the density of a substance to the density of a standard is the _____

A

specific gravity

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15
Q

The substance of the physical world is called_____

A

matter

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16
Q

The systematic study of God’s physical creation and how it works is _____ science.

A

physical

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17
Q

The “language of science” is ______

A

math

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18
Q

Science put to use is ____.

A

technology

19
Q

A collection of compatible, related units that can be used to measure various quantities is a ______.

A

system of measurement

20
Q

The ability to do work is _____.

A

energy

21
Q

unit to measure capacity

A

liter

22
Q

unit to measure mass

A

kilogram

23
Q

unit to measure length

A

meter

24
Q

unit to measure time

A

second

25
Q

What type of change alters matter?

A

chemical

26
Q

What principle states that the universe is lawful, orderly, and operates according to physical laws?

A

principle of casuality

27
Q

What term refers to the lowest possible temperature?

A

absolute zero

28
Q

What is a set of symbols summarizing a mathematical relationship between quantities?

A

equation

29
Q

What is the study of interactions between matter and energy?

A

physics

30
Q

What is an artificial situation that a scientist creates to test a hypothesis?

A

experiment

31
Q

What is an indirect measurement of an object’s thermal energy?

A

temperature

32
Q

what term refers to any push or pull?

A

force

33
Q

What is the universally accepted system of measurement used for scientific and technical purposes?

A

SI

34
Q

What is NOT a method of measuring volume?

A

spring scale

35
Q

Which state of matter has a definite volume and shape?

A

solid

36
Q

Which common state of matter has no definite volume and can flow?

A

gas

37
Q

What is the tendency of matter to stay at rest or to continue moving?

A

inertia

38
Q

How many significant figures are in the number 0.001560?

A

4

39
Q

What temperature scale do most nations use?

A

Celsius scale

40
Q

What is the freezing point of water on the Kelvin scale?

A

273.15 K

41
Q

What term refers to a logic error in which a conclusion is not a logical consequence of the evidence it is based on?

A

non sequitur

42
Q

What is a “shortcut” used in writing extremely large or small numbers?

A

scientific notation

43
Q

What is NOT one of the three main steps of the scientific method?

A

analyzing

44
Q

Convert 76 degrees F to Celsius. round the answer to the dearest degree and use proper units.

A 
C=5/9 (F-32)
C=5/9 (76-32)
C=5/9 x 44
C=5/9 x 44/1
C=220/9
C=24.4 rounded to 24

Physical Science (2 decks)

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