key terms and concepts from the Science book "Physical Science: concepts in Action"
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Created by tori.e2m
almost 12 years ago
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Created by tori.e2m
almost 12 years ago
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buffer
electrolyte
pH
base
exothermic
saturated
acid
solubility
molarity
equilibrium
reaction rate
science
technology
How does the process of science start and end?
What is the relationship between science and technology?
What are the branches of natural science?
Chemistry
physics
geology
astronomy
biology
scientific method
What is the goal of a scientific method?
observation
hypothesis
manipulated variable
responding variable
controlled experiment
scientific theory
scientific law
How does scientific law differ from scientific theory?
model
Why are scientific models useful?
scientific notation
negative scientific notation
Why is scientific notation useful?
What units do scientists use for their measurements?
length
Volume
Density
Precision
significant figures
How does the precision of measurements affect the precision of scientific calculations?
Accuracy
How do scientists organize data?
slope
conversion factor
direct proportion
inverse proportion
How can scientists communicate experimental data?
pure substance
Why does every sample of a given substance have the same properties?
element
atom
Explain why the composition of an element is fixed.
compound
Describe the composition of a compound.
Why can properties of a mixture vary?
heterogeneous mixture
homogeneous mixture
On what basis can mixture be classified as solutions, suspension, or colloids?
solution
suspension
colloid
physical property
What are some examples of physical properties?
viscosity
conductivity
malleability
hardness
melting point
boiling point
How can knowing the physical properties of matter be useful?
What processes are used to separate mixtures?
Filtration
distillation
physical change
chemical Properties
When can a chemical property by observed?
Flammability
reactivity
chemical change
What observations may indicate that a chemical change has occurred?
precipitate
What is the difference between chemical and physical changes?
How can shape and volume be used to classify materials?
Solid
Liquid
Gas
Kinetic energy
How can kinetic theory and forces of attraction be used to explain the behavior of gases, liquids, and solids?
How is a gas able to fill a container of any size or shape?
Use kinetic theory and attractive forces to explain why a liquid has a definite volume and a shape that can vary.
Explain why a solid has a definite shape and volume
The kinetic theory three main points are?
Pressure
How does the frequency of collisions affect the pressure of a gas?
What factors affect gas pressure?
How does increasing the temperature affect the pressure of a contained gas?
What happens to the pressure of a gas if its volume is reduced?
How does increasing the number of particles of a contained gas affect its pressure?
absolute zero
Charles Law
Boyle's Law
Combined law
phase change
What are six common phase changes?
endothermic change
exothermic change
vaporization
evaporation
vapor pressure
condensation
Sublimation
deposition
What happens to a substance's temperature and a system's energy during a phase change?
What happens to the arrangement of water molecules as water melts and freezes?
What is the difference between evaporation and boiling?
What was Dalton's theory of the structure of matter?
what are the 4 main points of Dalton's theory
nucleus
What evidence did J.J Thomson provide about the structure of an atom?
What did Rutherford discover about the structure of an atom?
What are three subatomic particles?
proton
Electron
neutron
What properties can be sued to compare protons, electrons, and neutrons?
Atomic number
How are atoms of one element different form atoms of other elements?
mass number
Isotopes
How are the isotopes of an element different from one another?
