- Which of the following statements concerning a scientific theory is not true?
Your answer:
A theory should explain the operation or process being studied and be able to be used to predict future activities in the system or process.
A theory is a working model that is well supported by observational or experimental data.
A theory may be revised or discarded when new information becomes available.
A theory is conclusive proof that a system or process being studied operates in the proposed fashion.
- A simple statement of natural phenomena to which no exceptions are known under given conditions is called:
Your answer:
a scientific hypothesis.
a scientific model.
a scientific law.
a scientific theory.
- Scientists should construct multiple hypotheses to explain their question of study to:
Your answer:
keep themselves employed longer.
have a statistically higher chance of proving their interpretation.
minimize the chance of allowing preconceived notions bias the interpretation of their data.
decrease the need for collaboration with others since this often requires more time.
- Today scientists from many fields work together to better understand scientific problems (e.g., ozone depletion, global warming). This collaboration is an example of how science is becoming more ________.
Your answer:
time consuming
confusing
efficient and interdisciplinary
restrictive
- Which heat transfer process enables heat to be passed from beads of perspiration on your body to the surrounding atmosphere?
Your answer:
thermogravitational diffusion
conduction
radiation
convection
- The Earth's lithosphere is composed of:
Your answer:
the core and crust.
the crust and uppermost mantle.
the outer core and upper mantle.
the core.
- According to plate tectonic theory, the convergence of two tectonic plates, each capped by continental crust, results in:
Your answer:
earthquakes and the creation of new ocean floor.
earthquakes and an arcuate chain of island volcanoes.
earthquakes and a chain of non-volcanic continental mountains.
only earthquakes.
- Rocks formed from the solidification of molten material are known as:
Your answer:
sedimentary rocks.
igneous rocks.
hot rocks.
metamorphic rocks.
- Measurement units of the metric system are based on mathematical factors of:
Your answer:
50.
10.
100.
1.
- What is the smallest particle of matter that retains all the properties of a particular chemical element?
Your answer:
atom
neutron
electron
proton
- What are the two significant mass bearing subatomic particles?
Your answer:
neutron and quark
neutron and proton
electron and neutron
electron and proton
- On the average, what are the strongest and weakest chemical bond types?
Your answer:
strongest - covalent, weakest - van der Waals
strongest - covalent, weakest - ionic
strongest - ionic, weakest - metallic
strongest - metallic, weakest - van der Waals
- Substances that conduct heat and electricity well will typically possess what type of chemical bonding?
Your answer:
covalent
van der Waals
ionic
metallic
- What type of chemical bonding involves the sharing of electrons between adjacent atom structures?
Your answer:
metallic
covalent
ionic
van der Waals
- The oceanic and continental crusts are predominantly composed of rocks belonging to what class?
Your answer:
sedimentary
igneous
metamorphic
none of the above
- Considering the Rock Cycle, what type of rocks would be most abundant at or near the surface of the Earth?
Your answer:
igneous
metamorphic
sedimentary
none of the above
- The tarnishing of silver jewelry is an example of what type of chemical reaction?
Your answer:
oxidation
solution
hydrolysis
hydration
- What type of chemical reaction commonly affects limestone or marble monuments in humid-temperate climates?
Your answer:
hydrolysis
solution
oxidation
hydration
- In what climatic regime will chemical weathering proceed at the fastest rate?
Your answer:
desert regions
polar regions
tropical regions
temperate regions
- In a humid-temperate climate, what is the minimum amount of time needed for generation of a mature soil?
Your answer:
1000 years
100 years
1 year
10,000 years
- What physical layer of the Earth, composed of the crust and uppermost mantle, behaves in a brittle fashion when severely stressed?
Your answer:
- What compositional layer of the Earth comprises the bulk of its interior and is composed predominantly of the rock type peridotite?
Your answer:
- What subatomic particle possesses virtually no mass but carries a negative electrical charge?
Your answer:
- What do we call an electrically charged atom or group of atoms?
Your answer:
- Iceland, due to its periodic fissure (crack) eruptions of basaltic composition lava, is presumed to directly overlie what type of plate tectonic boundary?
Your answer:
- What subatomic particle resides in the nucleus and carries a positive electrical charge?
Your answer:
- What type of rock is presumed to comprise the bulk of the continental crust?
Your answer:
- The green coating formed on a bronze statue is evidence of what type of chemical reaction?
Your answer:
- What is the primary heat transfer process involved in warming the air of a simple greenhouse?
Your answer:
- What is the name of the technique that readily allows one to systematically and verifiably convert measurement units from one form to another?
Your answer: