Chapter 1-2 Flashcards
What is the amount of matter in an object?
mass
What is the amount of space matter takes up?
volume
320,000,000 in scientific notation
3.2 x 10 to the 8 power
The absolute temperature scale uses units of?
kelvins
A kilometer is equal to ?
1000 m
How closely a measurement reflects the actual value is called?
accuracy
The repeatability of a measurement is called?
precision
A specific measure to which other measures are compared to ensure uniformity is called a _____ of measure.
standard
A verified theory that has stood the test of time is called?
scientific law
A tentative explanation or unproven idea is a?
hypothesis
Using proper significant figures, 5.8 x 6.30 =
36.54
Any property that can be determined without changing the type of matter is a _____ property.
physical
The technique of converting units that uses cancellation of conversion factors is _____
dimensional analysis
The ratio of the density of a substance to the density of a standard is the _____
specific gravity
The substance of the physical world is called_____
matter
The systematic study of God’s physical creation and how it works is _____ science.
physical
The “language of science” is ______
math
Science put to use is ____.
technology
A collection of compatible, related units that can be used to measure various quantities is a ______.
system of measurement
The ability to do work is _____.
energy
unit to measure capacity
liter
unit to measure mass
kilogram
unit to measure length
meter
unit to measure time
second
What type of change alters matter?
chemical
What principle states that the universe is lawful, orderly, and operates according to physical laws?
principle of casuality
What term refers to the lowest possible temperature?
absolute zero
What is a set of symbols summarizing a mathematical relationship between quantities?
equation
What is the study of interactions between matter and energy?
physics
What is an artificial situation that a scientist creates to test a hypothesis?
experiment
What is an indirect measurement of an object’s thermal energy?
temperature
what term refers to any push or pull?
force
What is the universally accepted system of measurement used for scientific and technical purposes?
SI
What is NOT a method of measuring volume?
spring scale
Which state of matter has a definite volume and shape?
solid
Which common state of matter has no definite volume and can flow?
gas
What is the tendency of matter to stay at rest or to continue moving?
inertia
How many significant figures are in the number 0.001560?
4
What temperature scale do most nations use?
Celsius scale
What is the freezing point of water on the Kelvin scale?
273.15 K
What term refers to a logic error in which a conclusion is not a logical consequence of the evidence it is based on?
non sequitur
What is a “shortcut” used in writing extremely large or small numbers?
scientific notation
What is NOT one of the three main steps of the scientific method?
analyzing
Convert 76 degrees F to Celsius. round the answer to the dearest degree and use proper units.
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
