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Extra Credit 6th Grade Final Exam

Total questions: 86

Worksheet time: 2hrs 35mins

Name
Class
Date
1.
Our _________ is the layer of gases that surrounds our planet.
a)
ocean
b)
weather
c)
atmosphere
d)
ozone
2.
In which layer of the atmosphere do we live and weather occurs?
a)
stratosphere
b)
thermosphere
c)
mesosphere
d)
troposphere
3.
What percentage of our atmosphere is made of oxygen? 
a)
1%
b)
21%
c)
78%
d)
25%
4.
Where is the ozone layer, which absorbs UV radiation, located in our atmosphere?
a)
stratosphere
b)
thermosphere
c)
mesosphere
d)
troposphere
5.
Which layer of our atmosphere has no outer limits? (Hint: where satellites are located)
a)
ionosphere
b)
stratosphere
c)
thermosphere
d)
exosphere
6.

Where would there be more pressure?

a)

on top of a roof of a tall building

b)

sitting in this classroom

c)

on top of a mountian

d)

sitting in the top row of a stadium

7.
About how much of the atmosphere contains nitrogen?
a)
1%
b)
78%
c)
21%
d)
97%
8.

In which layer of the atmosphere is the most water vapor found?

a)

thermosphere

b)

mesosphere

c)

troposphere

d)

stratosphere

9.

Which layer of the atmosphere would jets fly in to avoid a thunderstorm?

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

10.

As you ascend (go up) in the troposphere what happens to the temperature?

a)

It increases steadily

b)

It decreases steadily

11.

When playing a football game at the Denver Broncos' stadium players get out of breath easily. What causes this?

a)

The pressure and density both decrease as altitude increases

b)

The pressure and density both increase as altitude increases

c)

The pressure increases and the density decreases as altitude increases

d)

The pressure decreases and the density increases as altitude increases

12.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
13.
What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
14.
This layer is where weather occurs.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
15.
What are the 2 most abundant gases in Earth's atmosphere?
a)
carbon dioxide and oxygen
b)
carbon dioxide and nitrogen
c)
nitrogen and oxygen
d)
nitrogen and hydrogen 
16.
Which of the following is the correct order of the atmosphere layers from Earth to space?
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, thermosphere, exosphere, stratosphere
c)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
d)
troposphere, stratosphere, mesosphere, exosphere, thermosphere
17.
Which layer is the coldest?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
18.
Describe how the ozone layer protects the earth.
a)
Absorbs solar radiation, Protects Earth from UV Rays,  and emits heat
b)
Ozone in the lower atmosphere is a pollutant
19.
Airplanes fly in which layers of the atmosphere?
a)
Troposphere, Stratosphere, and Mesosphere
b)
Stratosphere and Mesosphere
c)
Troposphere and Stratosphere
d)
Troposphere Stratosphere, Mesosphere, and Thermosphere
20.
The force that air exerts on all objects is called-
a)
density
b)
altitude
c)
infrared radiation
d)
air pressure
21.
Which layer of the atmosphere do most satellites orbit the Earth?
a)
Stratosphere
b)
Mesosphere
c)
Exosphere
d)
Ionosphere
22.
Which layer of the atmosphere contains the ozone layer? 
a)
Mesosphere
b)
Stratosphere
c)
Ionosphere
d)
Exosphere
23.
Which layer has the hottest molecules?
a)
Thermosphere
b)
Mesosphere
c)
Exosphere
d)
Stratosphere
24.
Which layer protects humans from most of the harmful UV radiation received from the sun?
a)
Clouds
b)
Exosphere
c)
Ionosphere
d)
Ozone Layer
25.

The layers of the atmosphere are classified according to changes in

a)

temperature and air pressure

b)

altitude and air quality

c)

humidity and temperature

d)

air pressure and oxygen

26.
A mixture of gases and particles that surround a planet, held by gravity is called the-
a)
greenhouse effect
b)
atmosphere
c)
jet stream
d)
blanket
27.
Out of the following, choose the outermost layer of the atmosphere-
a)
Troposphere
b)
Thermosphere
c)
Stratosphere
d)
Mesosphere
28.

What is the beautiful light display seen in the ionosphere?

a)

northern lights

b)

eastern lights

c)

disco lights

d)

yellow loghts

29.

Which layer has the highest air pressure?

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

30.

Which layer of the atmosphere has the least amount of oxygen?

a)

thermosphere

b)

exosphere

c)

ionosphere

d)

mesosphere

31.

What happens to air pressure when you go up the atmosphere?

a)

decreases

b)

increases

c)

stays the same

d)

changes

32.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

33.

What is the DEPENDENT variable (effect) in this experiment?


"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

34.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

35.

A scientist is testing which flavor of ice cream melts the fastest. What would his controlled variables be? (choose ALL that apply)

a)

The flavor of ice cream

b)

the kind of cone the ice creams are in

c)

the place in the room where the ice cream is

d)

the size of the scoop

e)

the time it takes to melt

36.

Sadie is testing how the age of a seed affects how fast plants grow. Look at the picture to see if you can figure out what makes her experiment unfair. Mark all that apply.

a)

She used different types of seeds/plants.

b)

The plants are in different kinds of pots.

c)

She did not plant very many plants.

d)

Seed age might not make a difference.

37.

What is the DEPENDENT variable (effect that is measured) in this experiment?

"Do tall people jump further than short people?"

a)

height of the person

b)

weight of the person

c)

how fast the person runs

d)

how far the person jumps

38.

The variable that is being tested, counted, or measured and how it reacts to the independent variable is known as:

a)

Independent Variable

b)

Controlled Variable

c)

Dependent Variable

39.

These are the variables that should stay the same. They do not get any changes in order to make for a fair test.

a)

Dependent Variables

b)

Controlled variables

c)

Independent Variables

40.

Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

a)

the different surfaces

b)

using the same ball

c)

how high they bounce

41.

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?

a)

Whether salt is added or not

b)

Boiling Point

c)

Amount of water

42.

How many independent variables are allowed to be changed in an experiment?

a)

1

b)

2

c)

as many as you want

d)

0

43.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
44.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
45.
Ms. 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
d)
Where the experiment took place.
46.
Ms. 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
d)
Who set up the experiment (Ms. S, etc)
47.
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
a)
How fast Hayden reacted
b)
different sounds
c)
types of music
d)
Hayden
48.
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
49.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
50.
 In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
Controlled Variable
b)
Responsive Variable
c)
Dependent Variable
d)
Independent Variable
51.
The measurable factor in an experiment is known as the: 
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
52.
What is the DEPENDENT variable (effect) is this experiment?
"Does eating breakfast improve test score?" 
a)
eating breakfast or not
b)
the grade you got on the test
c)
what time you get up in the morning
d)
how tasty the breakfast is
53.
What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"
a)
height of the person
b)
weight of the person
c)
how fast the person runs
d)
how far the person jumps
54.
Bonnie wants to test whether adding Bio-fertilizer 'x' will help plant grow. What is the "controlled group" in this experiment?
a)
plant sprayed with Bio-fertilizer 'x'
b)
plant without the Bio-fertilizer 'x'
55.
Which variable is NOT a constant in this experiment?
"Is Bounty paper towel more absorbent than sparkle paper towel?
a)
the size of paper towel
b)
the amount of water for the paper towel to absorb
c)
amount of water the paper towel absorbed
d)
the shape of paper towel
56.
What is the INDEPENDENT variable (cause) in this experiment?
"Will fish school more if a predator is present?" 
a)
whether there is a predator or not
b)
number of fish school together
c)
type of predator
d)
type of fish
57.
Which variable is NOT a constant in this experiment?
"What type of medium do earthworms prefer?"
a)
type of medium
b)
amount of medium
c)
direction of the earthworm
d)
types of earthworm
58.
The Earth's _?_ is an imaginary line that goes from the North Pole to the South Pole.
a)
equator
b)
axis
c)
prime meridian
d)
equinox
59.
The Earth's tilt is _?_degrees.
a)
0
b)
90
c)
23.5
d)
41
60.
The spinning of an object on its axis is called _?_.
a)
orbit
b)
rotation
c)
revolution
d)
tide
61.
If the Earth rotated slower, how would that affect the length of the day?
a)
longer day
b)
shorter day
c)
same time,  24 hours
62.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
63.
What would happen if the Earth's axis was tilted at a greater angle than it is now? 
a)
Days would be more than 24 hours.
b)
Days would be less than 24 hours.
c)
Hotter summers, colder winters
d)
More tilt would not make a difference.
64.
When the Northern Hemisphere of Earth is leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
65.
When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?
a)
Winter
b)
Spring
c)
Fall
d)
Summer
66.
Which diagram(s) BEST represent(s) the position of the Moon during a New moon?
a)
A
b)
B
c)
C
d)
A and C
67.
What causes the phases of the Moon to change over the course of a month?
a)
The moon's orbit (revolution)
b)
The moon's spin (rotation)
c)
The earth's orbit (revolution)
d)
The earth's spin (rotation)
68.
Name this phase of the moon.
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
69.
If Earth revolved more slowly, what would happen?
a)
Years would be longer.
b)
Years would be shorter.
c)
Summer would be longer.
d)
Winter would be shorter.
70.
What Moon phases do spring tides occur?
a)
new and full
b)
1st & 3rd quarters
71.
What Moon phases do neap tides occur?
a)
new and full
b)
1st & 3rd quarters
72.
Which of the following causes the ocean’s tides?
a)
The Earth's spinning makes the oceans slosh like a bathtub.
b)
The Earth's gravity pulling on the moon.
c)
The Sun and Moons gravity pulling on the Earth.
d)
The Sun's gravity pulling on the moon.
73.
The Earth's _?_ is an imaginary line that goes from the North Pole to the South Pole.
a)
equator
b)
axis
c)
prime meridian
d)
equinox
74.
The spinning of an object on its axis is called _?_.
a)
orbit
b)
rotation
c)
revolution
d)
tide
75.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
76.
When the Northern Hemisphere of Earth is leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
77.
When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?
a)
Winter
b)
Spring
c)
Fall
d)
Summer
78.
How long does it take for the Earth to rotate once?
a)
24 hours
b)
365 days
c)
27.3 days
d)
27.3 hours
79.
It takes the Earth _______ days to travel all the way around the Sun.
a)
28
b)
100
c)
24
d)
365
80.
What is at the center of the Solar System?
a)
Earth
b)
Moon
c)
Sun
d)
Jupiter
81.
When the Earth travels all the way around the Sun, it is called a . . .
a)
Revolution
b)
Rotation
c)
Leap Year
d)
Spin
82.
How many seasons are there?
a)
1
b)
2
c)
3
d)
4
83.
The rotation of the Earth causes . . .
a)
day & night
b)
summer & winter
c)
fall & spring
d)
Leap Year
84.

It takes just about a month for the moon to -

a)

completely revolve around the Earth

b)

travel to Earth

c)

leave its orbit

d)

revolve around the Sun

85.
When does the Southern Hemisphere experience the coldest weather?
a)
When the Earth's orbit is the fastest
b)
When the South Pole is tilted toward the Sun
c)
When the South Pole is tilted away from the Sun
d)
When the northern and southern hemispheres get equal amount of sunlight
86.

Which season is taking place in the Northern Hemisphere in Position 3?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

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