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Chapter 2: Analyzing data
Chapter 2.3: Scientific notation
Chapter 3: Matter
Chapter 3.2 Changes in matter
Chapter 4: Structures of a atom
100
Are fundamental building blocks in a system of measurement?
What is base unit?
100
A system for reporting very small or very large numbers by writing the number as a decimal?
What is scientific notation?
100
Rigid state of matter, with a definite volume and shape?
What is solid?
100
a transition of matter from one state to another
What is phase change?
100
.matter is composed of small particles called atoms
What is Dalton's atomic theory?
200
The basic unit of length in the SI*?
What is Meter
200
How close a measured value is to an accepted value?
What is Accuracy?
200
A state of matter that has a high density and is incompressible compared to a gas?
What is Liquid?
200
a process that involves one or more substances changing into new ones
What is chemical change?
200
The smallest particle of an element that retains the chemical properties of the element.
What is an atom?
300
The base unit of mass in the SI system of units?
What is kilogram
300
How close are a series of measurements are to one another?
What is precision?
300
Matter in a form that has low density, and is easily compressible and expandable.
What is Gas?
300
states that mass is neither created nor destroyed during a chemical reaction
What is law of conservation of mass
300
negative charge
What is electron?
400
Mass of a substance per unit volume?
What is Density
400
The difference between experimental value and a accepted value?
What is error?
400
Often refers to a gas made of a substance that is usually encountered as a liquid or solid?
What is Vapor?
400
alters a substance without changing its composition
What is physical change ?
400
positive charge
What is proton?
500
The SI base unit for time?
What is second?
500
expresses error as a percentage of the accepted value
What is Percent error?
500
Characteristics that can be observed or measured with out changing composition?
What is Physical Property?
500
combination of 2 or more pure substances
What is mixture
500
neutral charge
What is neutron?