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APES 4.1-4.3

Total questions: 40

Worksheet time: 27mins

Name
Class
Date
1.

forms rift valleys and sea-floor spreading.

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

d)

rift valley

2.

two tectonic plates slide past one another; causes earthquakes.

a)

convergent boundary

b)

divergent boundary

c)

tranform boundary

d)

mountain range

3.

oceanic plate collides with a continental plate and slides beneath it; the older, denser crust slides under the younger, less-dense crust.

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

d)

subduction

4.

tectonic plates split apart due to mantle convection; forms mountain ridges on the seafloor.

a)

subduction

b)

trench

c)

sea floor spreading

d)

earthquake

5.

molten rock (magma) in the mantle as it heats up, rises, cools down and sinks

a)

convection

b)

conduction

c)

radiation

d)

volcanoes

6.

Mountains on the ocean floor created by Sea Floor Spreading

a)

Sea Floor spreading

b)

Subduction

c)

Volcanoes

d)

Mid-ocean ridges

7.
The two main agents of erosion are...
a)
wind and flowing water
b)
gravity and frost wedging
c)
oxygen and water
d)
carbon dioxiede and wind
8.
Which of the following is the correct order of soil particles in order of increasing particle size?
a)
clay-sand-silt
b)
sand-clay-silt
c)
silt-clay-sand
d)
clay-silt-sand
9.
A mixture of soil, loam, and detritus; the topsoil
a)
A horizon
b)
B horizon
c)
E horizon
d)
O horizon
10.
Which soil component has the least capacity for holding water?
a)
silt
b)
clay
c)
sand
d)
humus
11.
When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?
a)
sand
b)
silt
c)
clay
d)
humus
12.

The rate at which water flows through the soil is called soil percolation or ______.

a)

Groundwater

b)

Permeability

c)

Soil Pores

d)

Porosity

13.
Soil sample that is 60% clay, 30% silt, and 10% sand has which texture? 
a)
clay
b)
clay loam
c)
sandy loam
d)
silt 
14.
Physically breaking down rocks and materials is called__________weathering.
a)
Chemical
b)
Mechanical
c)
Biological
d)
Permeable
15.
Soil formation begins with the weathering of_______.
a)
Humas
b)
Subsoil
c)
Litter
d)
Rock
16.
The MAIN  thing Decomposers do for the the soil is the following:
a)
Store moisture
b)
Burrow deep in the soil
c)
Make space for air and water
d)
Break down and digest dead organisms
17.
Decayed organic material in soil is called______.
a)
Litter
b)
Silt
c)
Humus
d)
Clay
18.
The movement of rocks and weathered materials is called_________.
a)
Chemistry
b)
Physical
c)
Weathering
d)
Erosion
19.
The two main factors that determine the rate of weathering are the TYPE of rock and_____.
a)
Music
b)
Climate
c)
Size of rock
d)
Weight of rock
20.
Soil layers are called horizons because...
a)
The layers are all different
b)
The layers are vertical
c)
The layers are horizontal
d)
The layers are above one another
21.

The type of plate boundary where two plates come together is a .....

a)

Convergent Boundary

b)

Divergent Boundary

c)

Transform Boundary

d)

Plate Boundary

22.

What type of event will occur at this boundary?

a)

Earthquake

b)

Volcano Eruption

c)

Tornado

d)

Mountain Building

23.

The rate at which water flows through the soil is called soil percolation or ______.

a)

Groundwater

b)

Permeability

c)

Soil Pores

d)

Porosity

24.
You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?
a)
clay
b)
sand
c)
humus
d)
silt
25.

What are the proportions of sand, silt, and clay for the soil at point X ?

a)

5% Sand, 90% Silt, 5% Clay

b)

5% Sand, 20% Silt, 5% Clay

c)

65% Sand, 30% Silt, 10% Clay

d)

60% Sand, 30% Silt, 10% Clay

26.
The deep, underlying non-soil materials
a)
B horizon
b)
E horizon
c)
O horizon
d)
Bedrock
27.

The layer(s) of soil in which most of the humus and soil organisms are contained:

1- leaf litter, horizon O

2- topsoil, horizon A

3- subsoil, horizons B and C

a)

1 only

b)

2 only

c)

1 and 2 only

d)

2 and 3 only

e)

1, 2, and 3

28.
Which horizon is made up of partially weathered rocks?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
29.

Porosity is a measure of void space in a soil sample. Larger soil particles have larger void spaces. Smaller soil particles have smaller pore spaces, but a greater number of them, which leads to higher surface tension and higher % porosity. With this is mind, which statement is true:

a)

Sandy soil has a higher porosity than clay soil

b)

Sandy soil has a higher porosity than silty soil

c)

Clay soil has a higher porosity than sandy soil

d)

Porosity is directly proportional to soil particle size

30.

What is porosity

a)

Rocks

b)

The percent of the volume of open spaces in rock or sediment

c)

Ability rock sediment fluids pass through open spaces/pores

d)

Nothing

31.

What are properties of the soil determined by

a)

time

b)

parent material

c)

climate

d)

topography

e)

ALL of these determine the properties of the soil

32.

How does compacting soil from anthropogenic means impede water drainage?

a)

Drying at deeper layers of soil

b)

Waterlogging-water not draining

c)

preventing soil development

d)

Each of these is an affect of compacted soil

33.

Which of the following has the greatest permeability?

a)

gravel

b)

sand

c)

clay

d)

silt

34.

Why might very old soil be nutrient poor in the picture above?

a)

more organic material is present

b)

plants and water leaching nutrients

c)

less biodiversity

d)

soil is compacted

35.

What horizon is decomposed organic material and is most pronounced in forests

a)

O horizon

b)

A horizon

c)

E horizon

d)

D horizon

36.

Which horizon is considered the topsoil, is the organic mixed with mineral material, and has the most biological activity?

a)

O Horizon

b)

A horizon

c)

E horizon

d)

B horizon

37.

This soil layer is found in some acidic soils and it is where metals such as iron, aluminum, and other nutrients are leached from above.

a)

O horizon

b)

A horizon

c)

E horizon

d)

B horizon

38.

The layer of soil that is partially/slightly weathered and similar to the parent material.

a)

O horizon

b)

A horizon

c)

B horizon

d)

C horizon

39.

What type of Biome has a Thick O-layer (leaf litter, etc.)

Bleached E-layer. One of the only biomes to have an E layer

a)

Deciduous and Coniferous Forests

b)

Desert

c)

Rainforest

d)

Grassland

40.

Which of the following is NOT a soil service?

a)

plant growth

b)

cycling of nutrients

c)

physical weathering

d)

water storage and filtration