Chapter 2 Flashcards
What is Celsius?
A temperature scale on which water freezes at 0 and boils at 100
What is a conversion factor?
A ratio in which the numerator and denominator are quantities from an equality or given relationship
What is a cubic centimeter?
The volume of a cube that has 1-cm sides
What is density?
The relationship of the mass of an object to its volume
What is an equality?
A relationship between 2 units that measure the same quantity
What is an exact number?
A number obtained by counting or definition
What is a gram?
The metric unit used in measurements of mass
What is the international system of units (SI)?
The official system of measurement throughout the world except for the U.S. that modifies the metric system
What is the Kelvin temperature scale?
A scale on which the lowest possible temperature is 0 K
What is a liter?
The metric unit for volume that is slightly larger than a quart
What is mass?
A measure of the quantity of material in an object
What is a measured number?
A number obtained when a quantity is determined using a measuring device
What is a meter?
The metric unit for length that is slightly longer than a yard. The SI standard unit of length
What is the metric system?
A system of measurement used by scientists and in most countries of the world
What are significant figures?
The numbers recorded in a measurement
