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2nd Semester Exam Review #2 Flashcards | StudBud
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2nd Semester Exam Review #2
2nd Semester Exam Review #2
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Review to help study for the second semester final
Flashcards
41 cards
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Questions
41
Answers
1
The theory that continents have slowly moved to their current locations is called
continental drift
planetary drift
2
When balancing an equation, what numbers
can be changed
?
subscripts
coefficients
3
A single substance that cannot be broken down by chemical or physical means is a(n)
molecule
element
compound
4
Burning sugar
and
burning a candle
are examples of
exothermic reactions
endothermic reactions
5
Alfred Wegener believed that the ____ were once joined.
continents
planets
6
Name the term that means "all land."
earth
continent
pangaea
7
An omnivore eats
plants only
meat only
meat and plants
8
The substances formed as a result of a chemical reaction are called
reactants
products
9
The youngest rocks on the ocean floor are located where?
farthest away from the mid ocean ridge
near the mid ocean ridge
10
A
substance
made of two or more
elements
chemically combined is a
compound
atom
molecule
11
A short-term environmental change is
all of the above
habitat destruction, hunting
10s to 100s of years
deforestation, drought
12
The crust and upper mantle make up the
lithosphere
asthenosphere
13
A
particle
made of two or more
atoms
bonded together is a(n)
atom
compound
molecule
14
What is the name of the type of reaction that
absorbs
energy?
exothermic
endothermic
15
What type of landform is created when two
continental plates collide
?
mountain
valley
16
A herbivore eats
meat and plants
plants only
meat only
17
What does the arrow between the products and reactants in a chemical reaction mean?
yields
is greater than
is less than
18
A long-term environmental change is
1000s to millions of years
an ice age, a large comet impact
climate change
all of the above
19
One plate is forced under another in a
divergent zone
subduction zone
20
What happens to the amount of matter in a chemical reaction?
It is conserved or stays the same
It increases
It decreases
21
Anything that has mass and takes up space is classified as
matter
none of the above
22
In a chemical equation, a number placed in front of a formula is called a
subscript
coefficient
23
Earth's thick, plastic like layer is the
lithosphere
asthenosphere
24
Name the boundary where plates
slide past
one another.
transform
convergent
divergent
25
How many total
elements
are in the formula:
2Ba2(OH)2
?
3
12
26
What things can happen to energy in a chemical reaction?
it can be released
it can be stored
it can be released or stored
27
Chemical symbols and formulas used to show the
reactants and products
of a chemical reaction
are a chemical formula
are a chemical equation
28
How many Hydrogen atoms are in the formula:
2Ba2(OH)2
?
3
12
4
6
29
Harry Hess proposed the theory of
sea floor spreading
big bang
30
What are the main points of evidence for continental drift?
climate
fossils and rocks
continental fit
all of the above
31
Name the boundary where
plates move apart
.
transform
divergent
convergent
32
About how much do the plates move in one year?
1-12 cm
1-12 km
1-12 m
1-12 light years
33
How many total
atoms
are in the formula:
2Ba2(OH)2
?
3
12
34
A relationship between 2 organisms where one species benefits and the other is harmed
predator/prey
mutualism
35
What inside Earth might drive plate motion?
convection currents
cold magma rising up
36
A carnivore eats
plants only
meat and plants
meat only
37
What is the name for an underwater mountain chain?
Mt. Nemo
plateau
mid-ocean ridge
38
When balancing an equation, which numbers
cannot
be changed?
coefficients
subscripts
39
Plates of the lithosphere float on the
lithosphere
asthenosphere
40
Name the boundary where
plates move together.
transform
diveregent
convergent
41
How does energy flow in a food web?
producer to consumer or prey to predator
consumer to producer or predator to prey
