Ch.3.1-3.2
How long is a yard stick?
3 ft.
what is volume?
the amount of space occupied by a sample of matter
what is mass?
the amount of matter in an object
what is temperature?
the average kinetic energy of the particles in matter
Dimensional analysis can be used to carry out what?
unit conversions
What are metric prefixes?
A basic unit of measurement
what is scientific notation?
a way to express numbers as the product of two numbers
what is weight?
the force that is equal to the gravitational pull on an object
what is a conversion factor?
its a ration of equivalent measurements
Dimensional analysis is useful to covert_____to another?
one metric system
What does SI stand for?
International System of Units
what is length?
the measurement along something's greatest dimension
what is kinetic energy?
the energy due to motion
the celsius set the freezing and boiling point which are?
-freezing point 0°C
-boiling point is 100°C
What is a Two-Step Metric Unit Conversion?
one can first convert to the simple (unprefixed) unit, followed by a conversion to the desired unit
How many decimeters are in one meter?
10 decimeter
a notation uses a coefficient and a what to get the final answer?
a power of ten
what is energy
The capacity to do work or to produce heat
the farenhight scale defines the freezing and boiling point which is what?
-freezing point as 32°F
-boiling point as 212°F
What is a derived unit?
measurement combined with multiple base units
What do Latin and Greek have to do within modern science?
Primary languages of scholarship during the development of scientific knowledge
what is the SI unit for volume?
cubic meter (m^3)
if you were to got to the moon what would change?
your mass
what is a technique that uses the units of the measurement in order to correctly solve problems.
Dimensional analysis
How does temperature affect the density of a material?
as temperature increases, the density of a material generally decreases