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AFNR Midterm

Total questions: 102

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
Humus is.....
a)
the dead parts of plants and animals in soil.
b)
A food we eat with pretzels.
c)
The tiny particles inside of soil
d)
The roots that come off of a plant and live in soil.
2.
When there are not enough plants to hold topsoil in place, water and  _______ carry the topsoil away, leaving the subsoil exposed
a)
sunlight
b)
birds
c)
magnetic fields
d)
wind
3.
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
4.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
5.
Which layer of soil are these roots growing in?
a)
subsoil
b)
topsoil
6.
Wind blowing dirt and sand through the air is an example of...
a)
weathering 
b)
erosion
7.
Which layer of soil is on the bottom?
a)
topsoil
b)
subsoil
c)
bedrock
d)
bottomsoil
8.
What is the layer of soil just below the topsoil?
a)
soil
b)
subsoil
c)
topsoil
d)
terrace farming
9.
Layers of soil are also known as:
a)
Soil Profiles
b)
Soil Horizons
c)
Soil sheets
d)
Soil cores
10.
What is condensation?
a)
The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air.
b)
The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.
c)
The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail.
11.
What is evaporation?
a)
The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air.
b)
The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.
c)
The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail.
12.
What is water that flows in rivers and streams into the oceans and lakes?
a)
evaporating
b)
condensing
c)
precipitating
d)
runoff
13.

__________________ is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. It is essentially evaporation of water from plant leaves.

a)

Transpiration

b)

Percolation

c)

Infiltration

d)

Plant Uptake

14.
Which stage does the #2 show in the diagram?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
15.

True or False: Water is constantly being recycled because of the Water Cycle.

a)

True

b)

False

16.

What is the process during which water evaporates from plant leaves and rises into the atmosphere as water vapor?

a)

Condensation

b)

Collection

c)

Precipitation

d)

Transpiration

17.

What step of the water cycle does this picture show?

a)

Condensation

b)

Runoff

c)

Precipitation

d)

Evaporation

18.

What is it called when water droplets form on the outside of a cool glass?

a)

Condensation

b)

Transpiration

c)

Precipitation

d)

Evaporation

19.

What step of the water cycle is shown in this picture?

a)

Condensation

b)

Runoff

c)

Precipitation

d)

Evaporation

20.

What step of the water cycle does #1 show? (use this photo!)

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Runoff

21.

What step of the water cycle does #2 show? (use this photo!)

a)

Evaporation

b)

Condensation

c)

Groundwater

d)

Runoff

22.

What step of the water cycle does #3 show? (use this photo!)

a)

Transpiration

b)

Condensation

c)

Precipitation

d)

Evaporation

23.

What step of the water cycle does #4 show? (use this photo!)

a)

Transpiration

b)

Runoff

c)

Groundwater

d)

Evaporation

24.

What step of the water cycle does #6 show? (use this photo!)

a)

Condensation

b)

Runoff

c)

Groundwater

d)

Precipitation

25.

IDENTIFY 2

a)

Bedrock

b)

c horizon

c)

b horizon

d)

a horizon

26.

IDENTIFY 1

a)

Bedrock

b)

c horizon

c)

b horizon

d)

a horizon

27.

this is the best kind of soil for growing most plants

a)

humus

b)

sand

c)

loam

d)

bedrock

e)

topsoil

28.
Soil particles are classified as 
a)
parent rock, humus and bacteria
b)
sand, silt and clay
c)
A horizon, B horizon and C horizon
d)
igneous, sedimentary and metamorphic
29.

What is the grassy layer referring to?

a)

Organic matter or humus

b)

Topsoil

c)

Subsoil

d)

Parent Material

e)

Bedrock

30.

Conservation means you should protect but (a)   Resources.

31.

If an area is preserved can you use it?

(a)  

32.

Which state was NOT part of the Dust Bowl?

a)

California

b)

Oklahoma

c)

Colorado

d)

Texas

33.

Which of the following did NOT lead to the Dust Bowl?

a)

A severe drought.

b)

Soil was used for growing wheat.

c)

Land was used for cattle.

d)

The government planted trees.

34.

Was the Dust Bowl a natural disaster or man made?

a)

Natural Disaster

b)

Man Made

c)

Both natural and man made

35.

What was a state that was highly impacted by the Dust Bowl?

a)

Texas

b)

Virginia

c)

Illinois

d)

California

36.

True or False: 700 people died as a result of dust pneumonia/ brown lung.

a)

True, 700 people died.

b)

False, 7,000 people died.

37.

What does the welding mask do?

a)

Protect eyes

b)

protect face

c)

keep hair out of face

38.

What type of welding requires the use of an electrode in the form of wire spools? (a)  

Choose from the below words
Stick
MIG
TIG
OxyAcetylene
39.
GMAW stands for 
a)
Gas Metal Arc Welding
b)
Gas Metal Argon Welding
c)
Gas Metal Acetylene Welding
d)
Gas Meeting Arc Welding 
40.

What is used to measure (but not precise), heat, and mix large amounts of liquids?

a)

beaker

b)

flask

c)

test tube

d)

graduated cylinder

41.

What equipment allows you to measure liquid's volume and measures in milliliters?

a)

test tube

b)

beaker

c)

flask

d)

graduated cylinder

42.

Which equipment measures temperature in liquid or gas, and measures in degrees Celsius?

a)

hot plate

b)

beaker

c)

thermometer

d)

bunsen burner

43.

Which equipment heats liquids and some stir liquids?

a)

beaker

b)

graduated cylinder

c)

flask

d)

hot plate

44.

Which equipment holds specimens so that you can look at them closely under the microscope?

a)

hot plate

b)

slide

c)

test tube

d)

dropper

45.

Which equipment holds liquids and allows reactions in a small space?

a)

test tube

b)

hot plate

c)

dropper

d)

beaker

46.

Which equipment allows you to drop a small amount of liquid?

a)

dropper

b)

test tube

c)

graduated cylinder

d)

flask

47.

What does it mean when you see this lab safety symbol?

a)

working with glassware/chemicals

b)

wear goggles

c)

working with sharp objects

d)

working with electricity

e)

working with chemicals

48.

What does it mean when you see this lab safety symbol?

a)

working with sharp objects

b)

working with electricity

c)

working with glassware/chemicals

d)

wear goggles

e)

working with chemicals

49.
What safety symbol is this? 
a)
corrosive
b)
toxic
c)
radiation
d)
biohazard
50.
What safety symbol is this? 
a)
biohazard
b)
radiation
c)
toxic
d)
corrosive
51.
Identify the Safety Symbol
a)
Pirates
b)
Poison
c)
Skull and Crossbones
d)
Skeleton
52.

The safety symbol shown to the left represents a(n) _____ caution, meaning never reach across a lit burner.

a)

Flammable Substance

b)

Fire Danger

c)

Open Flame

d)

NonFlammable Substance

53.
What safety Symbol is this?
a)
Flamable
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
54.
What safety symbol is this?
a)
Flammable 
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
55.
a)
Poison/Toxic
b)
Bio Hazard
c)
Radioactive
d)
Corrosive
56.

the arrow indicates what measurement?

a)

1 1/16"

b)

1 1/8"

c)

2 7/8"

d)

1 1/16 '

57.

the arrow indicates what measurement?

a)

5 3/16"

b)

4 3/4"

c)

4 13/16"

d)

4 3/4 '

58.

the arrow indicates what measurement?

a)

1 2/4"

b)

2 1/8"

c)

3 7/8"

d)

2 1/16"

59.

the arrow indicates what measurement?

a)

9 1/4"

b)

9 1/8"

c)

9 1/16"

d)

9 1/2"

60.

the arrow indicates what measurement?

a)

6 1/16"

b)

7 1/2"

c)

6 1/2"

d)

6 1/4"

61.

Where do eggs come from?

a)

Cattle

b)

Chickens

c)

Pigs

d)

Goats

62.

What are French fries made of?

a)

Wheat

b)

Corn

c)

Potatoes

d)

Bread

63.

Where does beef come from?

a)

Cattle

b)

Chickens

c)

Pigs

d)

Goats

64.

What is pasta made of?

a)

Corn

b)

Wheat

c)

Oats

d)

Sugar

65.

Where does pork come from?

a)

Cattle

b)

Chickens

c)

Pigs

d)

Goats

66.

What are pencils made of?

a)

Cotton

b)

Timber

c)

Turfgrass

d)

Wheat

67.

What is peanut butter made of?

a)

Almonds

b)

Peanuts

c)

Pecans

d)

Walnuts

68.

Where do chicken nuggets come from?

a)

Broilers

b)

Layers

c)

Swine

d)

Turkey

69.

What are commodities?

a)

Processed goods that can be bought and sold

b)

Services that can be bought and sold

c)

Financial instruments that can be bought and sold

d)

Raw materials or primary agricultural products that can be bought and sold

70.

What is the BEST (most specific) name for this commodity?

a)

beef cattle

b)

dairy

c)

cow

d)

pork

71.

What is the BEST (most specific) name for this commodity?

a)

beef cattle

b)

dairy cattle

c)

dairy foods

d)

pork

72.

a)

C Clamp

b)

Groove Joint pliers

c)

Slip Joint pliers

d)

Long Nose Pliers

73.

a)

Tape Rule

b)

Chalk line reel

c)

Level

d)

Try Square

74.

a)

Try square

b)

Combination square

c)

Level

d)

Coping Saw

75.

a)

Saw

b)

Hacksaw

c)

Portable circular saw

d)

Level

76.

This energy is created from moving air:

a)

sun energy

b)

wind energy

c)

water energy

d)

nuclear energy

77.

This energy is heat energy inside Earth:

a)

wind energy

b)

sun energy

c)

water energy

d)

geothermal energy

78.

This is fuel made from living things:

a)

biofuels energy

b)

nuclear fuel

c)

geothermal energy

d)

sun energy

79.

This energy is created by the light from the sun:

a)

wind energy

b)

biofuels

c)

sun energy

d)

geoghermal energy

80.

Match the following energy source types to their examples:

a)

wind energy

1.

wind turbines

b)

sun energy

2.

solar panels

c)

water energy

3.

hydroelectric power plant

d)

biofuels

4.

firewood, vegetable oil, whale oil, buffalo dung

e)

geothermal energy

5.

volcano, hot springs

81.
What does the picture show?
a)
A Food Web
b)
An Ecosystem
c)
A Food Chain
d)
A nice scenery
82.

Where does the food chain START?

a)

with consumers that eat grass

b)

with the sun giving energy to producers

c)

with the sun giving energy to consumers

d)

with consumers eating other consumers

83.

Breaks down and feeds on the remains of other organisms

a)

decomposer

b)

consumer

c)

producer

84.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
85.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
86.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
87.
Carnivores, herbivores, omnivores, and scavengers are all examples of __________.
a)
producers
b)
consumers
c)
decomposers
d)
abiotic factors
88.

Which type of energy source can be renewed in your lifetime?

a)

Renewable energy sources

b)

Nonrenewable energy sources

89.

Which of the following are nonrenewable energy sources? Select all that apply.

a)

Coal

b)

Hydroelectric

c)

Petroleum

d)

Wind

e)

Natural Gas

90.

Which of the following are renewable energy sources? Select all that apply.

a)

Wind

b)

Nuclear

c)

Geothermal

d)

Natural Gas

e)

Solar

91.

Which energy source is formed from dead organic matter that is compressed into peat and then further compressed using heat and pressure?

a)

Petroleum

b)

Natural Gas

c)

Nuclear

d)

Coal

92.

How is the serving size of a food product typically determined?

a)

By the manufacturer based on typical consumption

b)

By the government based on nutritional guidelines

c)

By the consumer based on personal preference

d)

By the retailer based on sales data

93.

Which of the following nutrients is essential for building and repairing tissues in the body?

a)

Carbohydrates

b)

Fats

c)

Proteins

d)

Vitamins

94.

DC current flowing in the opposite direction.

a)

Straight polarity

b)

Reverse polarity

c)

Arc

d)

Duty cycle

95.

DC current flowing in one direction.

a)

Straight polarity

b)

Reverse polarity

c)

Arc

d)

Duty cycle

96.

A machine that produces current for welding.

a)

Arc welder

b)

Ground clamp

c)

Electrode

d)

Polarity

97.

Oxygen is flammable.

a)

True

b)

False

98.

Which of the following is the flammable gas used in the oxyacetylene welding process?

a)

Oxygen

b)

Cetylene

c)

Acetylene

d)

Oxyacetylene

99.
GMAW stands for 
a)
Gas Metal Arc Welding
b)
Gas Metal Argon Welding
c)
Gas Metal Acetylene Welding
d)
Gas Meeting Arc Welding 
100.

What type of welding requires the use of an electrode in the form of wire spools? (a)  

Choose from the below words
Stick
MIG
TIG
OxyAcetylene
101.

The most common hand tool, has a tip which fits into the head of a screw and is used to tighten or loosen screws.

a)

level

b)

hammer

c)

pliers

d)

screw driver

102.

tool that contains small transparent vials of mineral spirits that are used to determine if an object is plumb (perpendicular to the ground) or parallel to the ground

a)

rafter square

b)

chalk line

c)

level

d)

builder's transit

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