science unit test on soil 3.7 & 3.10. the carrying of weathered pieces of rock by wind, water,...
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Science Unit Test on Soil
3.7 & 3.10
The carrying of weathered pieces of rock by wind, water, and gravity
is
wea
ther
ing
ero
sion
eva
poratio
n
33% 33%33%
1. weathering
2. erosion
3. evaporation
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
The breaking down of rock into smaller pieces, such as sand, silt or
clay is
conse
rvat
ion
ero
sion
wea
ther
ing
33% 33%33%1. conservation
2. erosion
3. weathering
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Land surfaces that are not covered with plants…
Are
less
like
ly to
lose
...
Are
more
like
ly to
los.
..
Hav
e th
e sa
me
likel
i...
33% 33%33%1. Are less likely to
lose soil through erosion
2. Are more likely to lose soil through erosion
3. Have the same likelihood of losing soil as land surfaces that are covered with plants
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21 22 23 24 25 26 27 28 29 30
Which of the following is not a normal part of soil?
rock s
ilt
san
d
gla
ss
25% 25%25%25%1. rock
2. silt
3. sand
4. glass
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Plants grow better in which type of soil?
san
d c
lay
tops
oil
subso
il
25% 25%25%25%1. sand
2. clay
3. topsoil
4. subsoil
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
What is formed when freezing water cracks rocks apart?
Silt
or s
and
foss
ils
Gem
s or m
etal
s
tops
oil
25% 25%25%25%1. Silt or sand
2. fossils
3. Gems or metals
4. topsoil
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Why is it important to protect topsoil?
It p
rote
cts
subs
oil
It is
nec
essa
ry fo
r la.
..
It g
row
s pla
nts a
nd food
It c
osts
a lo
t to m
anuf..
.
25% 25%25%25%1. It protects subsoil
2. It is necessary for landscaping
3. It grows plants and food
4. It costs a lot to manufacture
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
What is topsoil made of?
Met
als
and d
ead p
lants
Wea
ther
ed ro
ck a
nd...
Gem
s an
d ore
s
Wea
ther
ed ro
ck a
nd...
25% 25%25%25%1. Metals and dead plants
2. Weathered rock and humus
3. Gems and ores
4. Weathered rock and ores
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Why do plants and animals depend on soil?
Soil
is n
eeded
to w
al...
Soil
provi
des a
ir fo
r ...
Soil
provi
des s
uppor..
.
Soil
is n
eeded
for a
ni...
25% 25%25%25%1. Soil is needed to walk on
2. Soil provides air for animals to breathe
3. Soil provides support and nutrients for the animals to eat
4. Soil is needed for animals to sleep on
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
What is soil erosion?
Topso
il co
vere
d with
...
Pla
nts d
ie fo
r lac
k of
...
Topso
il is
car
ried a
w..
Too m
uch fe
rtiliz
er i.
..
25% 25%25%25%1. Topsoil covered with chemicals
2. Plants die for lack of water in soil.
3. Topsoil is carried away by wind and water
4. Too much fertilizer is used, hurting crops
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Soil provides plants with which of the following?
roots
oxy
gen
suppor
t
hea
t
25% 25%25%25%1. roots
2. oxygen
3. support
4. heat
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Soil is made up of
Rock
, cla
y, p
last
ic, .
..
San
d, met
al, a
nd cl
ay
Rock
, cla
y, s
ilt, s
and,..
.
33% 33%33%1. Rock, clay, plastic, and wood
2. Sand, metal, and clay
3. Rock, clay, silt, sand, and humus
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Materials that plants need to live and grow are…
Nutri
ents
Bed
rock
San
d and
rock
33% 33%33%1. Nutrients
2. Bedrock
3. Sand and rock
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Which layer of soil has the most nutrients?
bed
rock
subso
il
tops
oil
33% 33%33%1. bedrock
2. subsoil
3. topsoil
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
The pieces of decayed plants and animals in soil are called
hum
us
subso
il
cla
y
33% 33%33%1. humus
2. subsoil
3. clay
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
The layer of rock beneath the subsoil and loose rock is
bed
rock
tops
oil
hum
us
33% 33%33%1. bedrock
2. topsoil
3. humus
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
The process of making soil takes many
day
s
mon
ths
yea
rs
33% 33%33%1. days
2. months
3. years
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Which of the following is NOT a way of conserving soil?
Pla
nting
the
sam
e cr
...
Conto
ur p
lowin
g a
field
Pla
nting
new y
oung ...
Rota
ting th
e cr
ops p...
25% 25%25%25%1. Planting the same crops every year in a field
2. Contour plowing a field
3. Planting new young trees (seedlings) after cutting down trees for lumber
4. Rotating the crops planted in a field regularly
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Which layer has the most nutrients?
A B C
33% 33%33%1. A
2. B
3. C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Which layer has the most non-living material?
A B C
33% 33%33%1. A
2. B
3. C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
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