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WorksheetsIntro to Environmental Sci. Chap 2
Total questions: 54
Worksheet time: 45mins
a field of study focused on discovering how nature works and using that knowledge to describe what is likely to happen in nature
(a)
a method of procedure that has characterized natural science since the 17th century consisting in systematic observation, measurement and the formulation, testing and modification of hypothesis.
(a)
a testable explanation of the data that has been collected
(a)
scientific theory
a well tested and widely accepted scientific hypothesis or a group of related hypothesis.
a field of study focused on discovering how nature works and using that knowledge to describe what is likely to happen in nature.
a testable explanation of the data that has been collected
a well-tested and widely accepted description of observations of what we find always happing in the same way in nature.
well-tested and widely accepted description of observations of what we find always happening in the same way in nature
A law
Scientific Method
Scientific Law
(law of Nature)
Scientific Theory
What steps are involved to thinking critically
Be skeptical about everything
Evaluate evidence and distinguish facts from opinions
ask a question to be investigated.
Identify and evaluate your personal bias, assumption and beliefs
When a scientist repeats an experiment with different people, group or chemicals and gets the same result.
(a)
a combination of the same or different atoms held together by chemical bonds
(a)
anything that takes up space and has mass is...
matter
atoms
molecules
mass
the smallest unit of mass
(a)
the total number of newtons and protons in a nucleus
(a)
atoms that contain more neutrons than protons and therefore have the same atomic number but different mass numbers
(a)
an atom or a group of atoms with one or more net positive or negative electrical charges
(a)
the measure of the comparative amount of hydrogen ions and hydroxide ions in a particular volume of water solution
(a)
define Cell Theory
what three subatomic particles are atoms made up of?
Protons
Bosons
Nuetrons
Electrons
An Ion is positive (+) if it (a) an electron
An Ion with become negative (-) if it (a) an electron.
What is the chemical compound for Sodium Chloride
Na+
NaCl
NaOH
CO
what is the chemical compound for sodium hydroxide
NaHy
NaCl
NaOH
SoH
What is the chemical compound for Carbon Monoxide
C
CaO
CO
CMo
What is the chemical compound for Carbon Dioxide
CO
CO2
CDi
C2
What is the Chemical compound for Nitric Oxide
CO
NO
no
N2O
What is the chemical Compound for Nitrogen Dioxide
NO
NO2
NDi
NO2
What is the chemical Compound for Nitrous Oxide
N2O
NO2
NO
N2O
What is the chemical Compound for Nitric Acid
Ni-2
Ni
HNO3
HNO
With Physical Change there is (a) change in its chemical composition
When a substance undergoes a chemical change this is called
(a)
whenever matter goes through a physical or chemical change no atoms are created or destroyed.
None of these
Law of the Conservation of Matter
Law of the Conservation of Atoms
Law of the Equal Conservation of mass
whenever doing chemical equations both sides must be (a)
work = ?
force * distance
force * motion
force * direction
force on an object
Moving energy and Thermal Energy are examples of ...
Kinetic Energy
Potential Energy
Static Energy
Stored Energy
Stored energy and static energy are examples of ...
Moving Energy
Potential Energy
Kinetic Energy
Thermal Energy
the capacity to do work; the transfer of heat
(a)
energy in motion
(a)
stored energy; energy NOT in motion
(a)
Energy that travels from one place to another in the form of waves formed by changes in electrical and magnetic fields
(a)
Which are examples of physical change
ripping Aluminum foil
Burning Toast
melting an ice cube
boiling an egg
Mixing Salt and Sand
what are examples of chemical changes
crushing a can
ripping paper
baking a cake
digesting food
what is the chemical compound for Methane
CH4
CH4
C4H
CH
What is the chemical compound for Glucose
CHO
C6H12O6
CH12O2
C6H12O6
What is the chemical compound for Water
OH
HO
H2O
H2O
What is the Chemical compound for Hydrogen Sulfide
HS2
H2S
H2S
HS
What is the chemical compound for Sulfur Dioxide
SO2
SO
SO2
S2O
What is the chemical compound for Sulfuric Acid
SO4H2
HSO
H2SO4
H2SO4
What is the chemical compound for Ammonia
HN3
NH3
N3H
NH3
What is the chemical compound for Calcium Carbonate
CaCO3
CaC3O
CaCO3
CaCO
concentrated energy that is a high capacity to do useful work
(a)
a set of components that function and interact in some regular way
(a)
what are the components of a system
outputs
flows or Throughputs
Inputs
process
central action
when a natural system becomes locked into a positive feedback loop
(a)
explain the First Law of Thermodynamics
whenever energy is converted from one form to another no energy is created or destroyed
1st Law of Thermodynamics
2nd Law of Thermodynamics
Law of the Conservation of Energy
The law of less-quality energy disputation
when energy is converted form one form to another in a physical or chemical change we end up with lower-quality or less-useable energy
(a)
