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Earth, Life, and Physical Science Flashcards | StudBud
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Earth, Life, and Physical Science
Earth, Life, and Physical Science
35 terms
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North Polk Middle School
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
In what layer of the Earth's atmosphere does our weather occur?
stratosphere
mesosphere
troposphere
thermosphere
2
An example of a chemical change in matter is a(n)
plate cracking.
ice cube melting.
egg frying.
twig breaking.
3
Which of the following factors would
most
likely cause a hurricane to decrease in strength?
moving over a continent
staying over a warm body of water for a long time
increasing in number of large clouds
moving towards tropical waters
4
Where is
most
of Earth's water located?
rivers
lakes
glaciers
oceans
5
Which is a rule that describes the behavior of something in nature?
hypothesis
theory
observation
law
6
The current classification system separates organisms into ______ kingdoms.
three
six
four
five
7
Which process is most responsible for the formation of the Grand Canyon?
cracking of Earth's crust by earthquakes
eruptions by explosive volcanoes
rubing by continental glaciers
evaluation by wind and water
8
My favorite branch of science is
Physical Science
Life Science
Earth & Space Science
9
Which Earth system includes plants, animals, and humans?
atmosphere
lithosphere
hydrosphere
biosphere
10
A balance is a scientific tool used to measure
mass
time
volume
temperature
11
The length of an Earth day is determined by the time required for approximately one
Earth revolution
Sun rotation
Earth rotation
Sun revolution
12
Decomposers are important in the food chain because they
are microscopic & other organisms cannot consume them
break down dead organisms & recycle nutrients into the soil
stop the flow of energy from one organism to another
produce their own food using light from the Sun
13
Which of the following systems breaks food into nutrients that can be used by the body?
reproductive
circulatory
digestive
respiratory
14
How many atoms of carbon are in a single molecule of sugar (C
12
H
22
O
11
)?
12
45
22
11
15
The driving force behind the weather on Earth is
gravity
the wind
the Sun
density
16
A ___________________ is the smallest unit of life.
cell
compound
atom
molecule
17
In which state of matter are the particles likely to be closest together?
gas
plasma
solid
liquid
18
The organism shown below belongs in which kingdom?
Fungi
Plantea
Animalia
Protista
19
The process by which liquid water changes to water vapor is called
the water cycle
evaporation
condensation
transpiration
20
Which property describes a mineral's resistance to scratching?
streak
fracture
hardness
clevage
21
In which cell structure does photosynthesis take place?
nucleus
cloroplast
cell wall
mitocondria
22
What science deals most with energy and forces?
physics
biology
geology
chemistry
23
An animal that eats only plants or plant parts is a(n)
herbivore
omnivore
carnivore
scavenger
24
Which of these revolves around a planet?
star
asteroid
comet
moon
25
Which of the following gases do plants use in photosynthesis?
oxygen
carbon monoxide
carbon dioxide
hydrogen
26
After a chemical change has occurred, matter
has less mass than before.
is the same substance as before.
has different chemical properties than before
27
The purpose of a control in an experiment is to _______.
provide a standard to which to compare the results
record changes in a value
keep the temperature from getting to high
change one variable while observing anothe
28
The longnose snake gets its energy from _____________.
badger
coyote
golden-mantled squirrel
desert paintbrush
29
Which is the fifth planet from the Sun?
Mars
Mercury
Venus
Jupiter
30
What characteristic do all birds share?
They have feathers.
They can fly.
They have webbed feet.
They eat worms.
31
We have seasons on Earth because the...
the Sun revolvesaround Earth
amount of daylight increases
Earth's axis is tilted
Earth's distance from the Sun changes
32
A puppy infected with roundworms is an example of
mutualism.
commensalism.
competition.
parasitism.
33
Where is the asteroid belt found?
between Mars and Jupiter
between Mercury and Venus
between Earth and Mars
between Uranus and Neptune
34
Something in an experiment that can change is called a___________________.
variable
control
hypothesis
prediction
35
An explanation based on knowledge gained from many experiments is called a _______.
theory
scientific law
conclusion
hypothesis
