The earth's core is _______ its mantle.
denser than
Which of the following is NOT located in the upper mantle?
Sial
_______ is the second-most abundant gas in the Earth's atmosphere
Oxygen
The ________ is the coldest later in the atmosphere.
mesosphere
When gases in the _______ emit light energy after being excited by solar radiation, the Aurora Borealis occurs in the northern hemisphere.
ionosphere
____________ is natural mountain building
Orogeny
When lava cools, _____ rock is formed.
igneous
Which of the following is true about the three rock types?
Metamorphic rock results from its parent rock undergoing chemical change
We are currently living in the ______ era.
Cenozoic
Which of the following is NOT true about fossils?
a fossilized cast of a bone is composed of bone
The _____ the time period an index fossil could have been deposited the more precise geologic dating will be.
shorter
There are ______ established planets in the solar system.
eight
Earth's galaxy is called the ______.
Milky way
When the sun and moon are on opposite sides of the earth, observers on Earth perceive a ______
full moon
Which of the following is NOT true about the sun?
The chromosphere produces sunspots
Which of the following is NOT true about the earth's seasons?
During the summer solstice the southern hemisphere leans towards the sun, and that part of the world experiences the summer season
Mitochondria are on the ______ scale in size while the animal cell that contains them is on the _______ scale in size.
nanometer; micron
The mitotic division of one somatic cell results in what number of diploid/haploid cells?
2 cells, diploid
What is a hetertozygote?
a person having one dominant and one recessibe allele for a gene
___________ is the change in a populations heritable traits over time.
Biological evolution
Which of the following does NOT reproduce sexually
Protists
Which of the following is NOT one of the give kingdoms of living organisms?
Chordata
Which of the following is NOT the correct match of an Animalia phylum with examples of organisms found within the phylym?
Annelida - crustaceans ..... annelida is the animals that includes segmented worms
Which of the following shows level of biomes in increasing complexity from left-to-right?
species - population- community - biomes
Which of the following is NOT a characteristic of an environment's carrying capacity?
the carrying capacity of an environment increases as populations of species increase
Which of the following is NOT a communicable disease?
Diabetes Mellitus
All of the following are primary sources of funding for scientific research in the US except?
private citizens
Which of the following is true when a new theory is developed regarding a topic?
the existing theories on the topic could be altered/adjusted upon proof
In which stage of the scientific inquiry process can a researcher be required to include geographical representations of the information they gathered?
Data analysis
Which of the following are online databases that scientists use to search for journal articles?
all of the above
which of the following is NOT a type of equillibrium?
Biological evolution
Which property of matter is NOt matched with its correct unit of measurement?
Specific gravity - gram / cubic centimeter
__________ properties cannot be observed without changing the identity of a substance
chemical
Which process is NOT matched with its correct state of matter conversion?
sublimation; sublimation is a process by which a substance changes from a solid to a gaseous state
Which particle is correctly matched with its charge?
Proton- positive, electrons are negatively charged and neutrons have no charge
Which of the following terms is NOT correctly matched with its definition?
An elements mass number is its number of protons and neutrons, not electrons
Which of the following is not an example of a mixture? (Soil, Air, Ocean water, H2O)
H2O
If an object is moving it can be said to have __________
velocity, acceleration, kinetic energy
Force is measure in
newtons
What is newton's 3rd law?
that for every action there is an equal and opposite reaction
The law of conservation of energy states that ________
energy is neither created nor destroyed, energy changes form, energy is conserved over time
What is the second law of thermodynamics?
The second law of thermodynamics states that no machine can be 100% efficient because there will always be some amount of heat lost to the environment as the machine does its work
________ are the atomic particles primarily responsible for electricity
electrons
Do chemical reactions involve changes in the structure of atomic nuclei?
No they do not change structure, energy OR composition
Which is true about magnets?
Magnetic fields are invisible to the human eye