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PASS REV: Variables, Weather, Reprod. Parts of Flowering Plants

Total questions: 75

Worksheet time: 2hrs 34mins

Name
Class
Date
1.
As the air temperature increases, the air's capacity for water vapor: 
a)
increases
b)
decreases
c)
remains the same
d)
is unrelated to air temperature and can either increase or decrease
2.
The time of day when the relative humidity reaches a maximum value is usually
a)
at the time when the air temperature is highest 
b)
in the middle of the afternoon 
c)
at the time when the air temperature is lowest 
d)
just before sunrise 
3.
What is the Dew Point Temperature if the dry-bulb temperature on your sling psychrometer is 20ºC and the wet-bulb temperature is 15ºC?
a)
14ºC
b)
12ºC
c)
10ºC
d)
-18ºC
4.
The sun heats up surface water, causing evaporation (turning a liquid into a gas).  The water vapor then rises into the air creating....
a)
rain
b)
pollution
c)
fog
d)
humidity
5.
What is relative humidity?
a)
humidity that is related to other humidity
b)
condensation
c)
clouds
d)
the amount of water in the air compared to the amount of water the air can hold - a ratio
6.
The actual amount of water vapor in the air is called
a)
air pressure
b)
humidity
c)
relative humidity
d)
dew point
7.
They are highest clouds in the sky. They look curly, white and feathery. Usually mean good weather.
a)
Cumulus
b)
Cumulonimbus
c)
Cirrus
d)
Stratus
8.
This is sometimes called a thunderhead cloud. It looks very tall like mountains and heavy rain comes from it. 
a)
Cumulus
b)
Cirrus
c)
Stratus
d)
Cumulonimbus
9.
They are low in the sky and look soft and fluffy. 
a)
Cirrus
b)
Cumulonimbus
c)
Cumulus 
d)
Stratus
10.
These clouds are the closest to the ground. Their name means layer- or sheet like. They bring rain or snow and cover most of the sky. 
a)
Cirrus
b)
Stratus
c)
Cumulonimbus
d)
Cumulus
11.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
12.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
13.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
14.
The ability of the air to hold water depends on its _______________. 
a)
air pressure 
b)
thermometer 
c)
temperature
d)
water vapor
15.
Humidity can be found by comparing the temperatures of _________________.  
a)
barometers
b)
wet-bulb and dry-bulb thermometers
c)
Hydrometers
d)
 Anemometers
16.
Relative humidity is expressed as a _______________.  
a)
Decimal
b)
 Fraction
c)
 Percentage 
d)
Number
17.

A student using a weather instrument measured a wet-bulb temperature of 10 °C and a dry- bulb temperature of 16 °C. What was the relative humidity?

a)

-10 %

b)

45 %

c)

62 %

d)

4 %

18.

What is the relative humidity when the dry-bulb temperature is 12 °C and the wet-bulb temperature is 7 °C?

a)

1 %

b)

-5%

c)

28%

d)

57 %

19.
Air has a dry-bulb temperature of 2 °C and a wet-bulb temperature of -2 °C, what is the relative humidity?
a)
11%
b)
20%
c)
36%
d)
67%
20.
A dry-bulb temperature of 30°C and a wet-bulb temperature of 29°C were recorded at a weather station. What are the relative humidity and the most likely weather conditions?
a)
Relative humidity is 29% with clear skies
b)
 Relative humidity is 29% with a good chance of snow
c)
Relative humidity is 93% with clear skies.
d)
 Relative humidity is 93% with a good chance of rain.
21.

What is the relative humidity when the dry-bulb temperature is 8°C and the wet-bulb temperature is 2°C?

a)

26%

b)

6%

c)

3%

d)

-9°C

22.

What is the relative humidity if the dry-bulb is 30 degrees Celsius and the wet-bulb is 27 degrees Celsius?

a)

87%

b)

93%

c)

86%

d)

100%

23.

What is the relative humidity when the dry-bulb temperature is 24°C and the wet-bulb temperature is 21°C?

a)

82%

b)

92%

c)

84%

d)

100%

24.

What is the relative humidity when the dry-bulb temperature is 24°C and the wet-bulb temperature is 22°C?

a)

100%

b)

84%

c)

92%

d)

76%

25.
Which weather instrument is useful in measuring relative humidity?
a)
barometer
b)
anemometer
c)
psychrometer
d)
wind vane
26.
In the flower, the Stamen is the
a)
Petals
b)
Leaves
c)
"Male" portion of the flower
d)
"Female" portion of the flower
27.
What does the Anther contain?
a)
Petals
b)
Ovules
c)
Styles
d)
Pollen
28.
The male structures of the flower 
a)
Pistil
b)
Stamen
c)
Pollination
d)
Petals
29.
The thin stalk that supports the anther.
a)
Pistil
b)
Stamen
c)
Anther
d)
Filament
30.
The pistil consists of a sticky part where pollen grains land.
a)
Style
b)
Stigma
c)
Stamen
d)
Anther
31.
The female structures of the flower 
a)
Pistil
b)
Stigma
c)
Stamen
d)
Ovary
32.
The long stalk-like part that supports the stigma.
a)
Filament
b)
Anther
c)
Stigma
d)
Style
33.
The bottom of the style is this part which produces the eggs or ovules through meiosis.
a)
Pollen
b)
Ovary
c)
Stigma
d)
Pistil
34.
When pollen from the anther contacts the sticky stigma of a pistil.
a)
Germination
b)
Reproduction
c)
Regeneration
d)
Pollination
35.
The part of the plant that collects sunlight
a)
Leaves
b)
Stem
c)
Petals
d)
Ovary
36.
The underground part that absorbs water and minerals from soil.
a)
Leaves
b)
Stem
c)
Petals
d)
Roots
37.
The part of the plant that holds the leaves and flowers
a)
Stalk
b)
Stem
c)
Style
d)
Filament
38.
The flower parts that are a varied color 
a)
Seed
b)
Petals
c)
Stem
d)
Leaves
39.
The yellow, powdery stuff on the stamens
a)
Pollen
b)
Dust
c)
Mites
d)
Germs
40.
The male part of the plant that sits on top of the filament
a)
Stamen
b)
Stigma
c)
Anther
d)
Style
41.
The reproductive organ of a flowering plant
a)
Seed
b)
Flower
c)
Pistil
d)
Stamen
42.
This weather instrument is a...
a)
thermometer
b)
wind vane
c)
anemometer
d)
rain gauge
43.
What does this tool measure?
a)
Wind speed
b)
Wind direction
c)
Air pressure
d)
Temperature
44.
This weather instrument is a...
a)
anemometer
b)
Christmas ornament
c)
wind vane
d)
barometer
45.
What is the name of this tool?
a)
Barometer
b)
Hygrometer
c)
Rain Gauge
d)
Thermometer
46.
This weather instrument is a...
a)
anemometer
b)
barometer
c)
wind vane
d)
thermometer
47.
A rain gauge measures what?
a)
Air pressure
b)
Wind speed
wind speed
c)
Amount of rain fall
d)
Wind direction
48.
This weather instrument is an...
a)
wind vane
b)
anemometer
c)
barometer
d)
thermometer
49.
The weather forecast tomorrow says there will be a 15 mph northeast wind and a high temperature of 52 degrees. What three instruments will a meteorologist use to make this prediction?
a)
anemometer, wind vane, thermometer
b)
barometer, hygrometer, wind vane
c)
thermometer, satellite image, hygrometer
d)
wind vane, satellite image, barometer
50.

Which tool measures humidity or the amount of moisture in the air?

a)

wind vane

b)

barometer

c)

anemometer

d)

hygrometer/psychrometer

51.
Which tool measures air pressure?
a)
Thermometer
b)
Barometer
c)
Wind Vane
d)
Hygrometer
52.
Which tool measures wind speed?
a)
Anemometer
b)
Hygrometer
c)
Barometer
d)
Wind Vane
53.
Temperature is measured in...
a)
degrees
b)
inches
c)
centimeters
d)
feet
54.
A high pressure system means we might have this weather.
a)
Snow blizzard
b)
Sunny and dry
c)
Rain storm
d)
Tornado
55.
A low pressure system means we might have this weather.
a)
Sunny 
b)
A clear sky
c)
Dry day
d)
Stormy or wet
56.
What is the name of a person who forecasts weather?  
a)
weather man
b)
geologist
c)
meteorologist
d)
scientist
57.
A weather predication is a 
a)
fortune
b)
guess
c)
forecast
d)
opinion
58.
A meteorologist observes some cumulonimbus clouds outside. He speculates that there is LOW air pressure. What instrument should he use to determine the air pressure?
a)
Thermometer 
b)
Anemometer
c)
Barometer
d)
Wind Vane
59.
Mrs. Hartman plans to go out over the weekend on her new sailboat. First, she must know how fast the wind is blowing to see if it’s appropriate to sail. What instrument should she use?
a)
Wind Vane
b)
Thermometer
c)
Anemometer 
d)
None
60.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
61.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the constant variables?

a)

Type of plant, amount of music, and sunlight

b)

Water, apple juice, milk

c)

Plant growth

62.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
63.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
64.

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?

a)

The ball used

b)

The height the ball bounces

c)

Height of the ball being dropped

d)

The first time the ball is dropped

65.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
66.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
67.

Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the constant variable?

a)

Distance traveled by the ball

b)

Height of the ramp

c)

Mass of the ball

68.
Jessie is concerned about how tired his classmates seem. He created a drink that he thinks will boost their energy. He recruits 100 classmates with a history of tiredness. He has 50 of them drink his new special energy drink. The other 50 drink a beverage that looks like the special energy drink, but is just water and food coloring. Both groups were told that they were getting the special drink that would boost energy. After 2 hours, 30 classmates in the first group reported having more energy and 8 classmates in the second group reported having more energy.
What is the independent variable?
a)
Amount of energy
b)
Special energy drink
c)
The food coloring
69.
Jessie is concerned about how tired his classmates seem. He created a drink that he thinks will boost their energy. He recruits 100 classmates with a history of tiredness. He has 50 of them drink his new special energy drink. The other 50 drink a beverage that looks like the special energy drink, but is just water and food coloring. Both groups were told that they were getting the special drink that would boost energy. After 2 hours, 30 classmates in the first group reported having more energy and 8 classmates in the second group reported having more energy.
What is the dependent variable?
a)
Amount of energy
b)
100 classmates
c)
Special energy drink
70.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the independent variable?
a)
Red birdfeeders
b)
Placement of birdfeeders
c)
Amount of seed
71.

Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.

What is the constant variable?

a)

Location of bird feeder

b)

Amount of birdseed eaten

c)

Type of birdseed

72.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
73.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
74.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
75.

Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What type of behavior is this?

a)

inheirted

b)

innate

c)

trial and error

d)

conditioning