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Ultimate 7th Grade Science Review Flashcards | StudBud
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Ultimate 7th Grade Science Review
Ultimate 7th Grade Science Review
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Flashcards
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Questions
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Answers
1
Earth's axis is tilted at an angle of
23
90
180
45
2
The area around the Pacific Plate where earthquakes and volcanoes are common.
Ring of Fire
Fiery Ring
Circle of Heat
Hot Spots
3
Our solar system is in a ________ layout
Geo-centric
Helio-centric
Centimeter
Sun-centric
4
What is the term for a group of organisms of all species in a particular area?
Biosphere
Population
Ecosystem
Community
5
True or false: sun, water, and wind are all examples of renewable resources
False
True
6
Day and night are caused by
Eclipses
Earth's rotation on its axis
The tilt of the Earth's axis
Earth's revolution around the sun
7
___________ was our study of Earth's Past
Cambrian Period
Dinosaurology
Geologic Time
Jurassic Park
8
Hardness is a property that helps identify minerals. What number would be given to the hardest?
10
1
9001
1000
9
Which is not a nonrenewable resource?
Gasoline
Oil
Coal
Water
10
What are the basic metric prefixes, biggest to smallest
KDHUMC
KHDUDCM
UUUHHH
KMCUHDD
11
An organism's place on the energy pyramid is called...
prophic level
niche
trophic level
tropic level
12
Which point in the Earth do Earthquakes first begin?
Epicenter
Strike Slip
Focus
Core
13
What is the term for a group living and nonliving factors in a particular area?
Community
Ecosystem
Biosphere
Population
14
Plates moving away from each other
Divergent
Convergent
Parallel
Transform
15
What rock type comes from the Greek word for fire?
Igneous
Obsidian
Metamorphic
Sedimentary
16
A species that is moved from its habitat and takes over a different one is called...
expanding species
evasive species
invasive species
selective species
17
What are the five levels of environmental organization from largest to smallest?
Biosphere, ecosystem, community, population, organism
Biosphere, ecosystem, population, community, organism
Ecosystem, biosphere, population, organism, community
Biosphere, population, ecosystem, community, organism
18
__________ is the study of rocks and minerals.
Geography
Earth Science
Geocaching
Geology
19
For a lunar eclipse to occur,
Earth must be directly between the sun and the moon
The moon must be directly behind the sun
The sun must be directly between the Earth and the moon
The moon must be directly between the Earth and the sun
20
True or False - Tyrannosaurus rex lived in the Jurassic Period
False
True
21
What is the action of one plate moving underneath the other called?
subtraction
subduction
divergent
focus
22
What is the best definition of a fossil
Any trace of an ancient plant
Any trace of an ancient dinosaur
Any trace of an ancient organism
Any trace of an ancient creature
23
Who were the first two men on the moon
John Glenn and Yuri Gagarian
Neil Armstrong and Buzz Aldrin
Neil Aldrin and Buzz Armstrong
Louie Armstrong and Buzz Lightyear
24
What is the best way to describe the earth's plates?
Moves during earthquakes
Always moving
Never moving
Really moves
25
Sedimentary rock transforms to igneous rock by.
Heat and pressure
Cementation and compaction
Melting and cooling
Weathering and erosion
26
__________ is the study of space and celestial bodies
Astronomy
Astro-Boy
Earth Science
Astrology
27
Weak parts of crust where volcanoes are likely to form
Buckles
Faults
Boundaries
Hot Spots
28
Which forces produce metamorphic rocks?
Extreme pressures and temperatures
Strong winds and earthquakes
Natural disasters and climate change
Rain and snow
29
__________ is the study of interactions among organisms and their environments.
Ecology
Earth Science
Biology
Economics
30
The Italian astronomer, Galileo, was the first scientist to do what?
Discover gravity and inertia.
Use a telescope to look at objects in the sky.
All are true
Discover the correct shape of the planets orbits.
31
The length of a year is caused by
Earth's rotation on its axis
Eclipses
Earth's revolution around the sun
The tilt of the Earth's axis
32
When the north end of the Earth's axis is tilted toward the sun, North America will experience
More indirect rays and shorter days
More indirect rays and longer days
More direct rays and shorter days
More direct rays and longer days
33
Earth's plates meet at:
trenches
boundaries
parties
faults
34
Equinox...
All the earth has 12 hours of day and 12 hours of night.
Happens when the noon sun is directly over the equator.
Means equal night.
All are true
35
Which is not a cause of pollution?
Mining
Factories
Smog
Automobile Exhaust
36
A place where an organism lives is called its
Ecosystem
Habitat
Niche
Biome
37
This layer of earth is composed of mostly iron, with some nickel.
Crust
Core
Mantle
Kore
38
A boundary is a place where two plates slip past each other
Subduction
Transform
Convergent
Divergent
39
______ is the greenhouse gas associated with cows
Carbon Dioxide
Methane
Methylamine
Butane
40
A mixture of sand, silt and clay
soil
mud
grass
dirt
41
How are igneous rocks formed?
They are formed from years of pressure and heat within Earth
They are formed from cooled magma.
They are hot magma the moment it is expelled from a volcano.
They are formed from sediments in ocean beds.
42
Before starting any lab, you should first.
Locate safety equipment
Smell all the lab materials
Get a calculator
Write the hypothesis
43
How does carbon enter the soil?
combustion
decomposition
respiration
photosynthesis
44
What are things that prevent a population from growing any larger
Symbiosis
Biospheres
Predators
Limiting factors
45
You only need goggles when working with flames
True
False
46
Outer layer of Earth
skin
core
mantle
crust
47
For a solar eclipse to occur,
The moon must be directly between the Earth and the sun
The moon must be directly behind the sun
The sun must be directly between the Earth and the moon
Earth must be directly between the sun and the moon
48
The color of the powder a mineral creates
Streak
Sheen
Rust
Luster
49
The strength of Earthquakes is measured on a scale. The scale is called the
Rift scale
Tectonic scale
Seismic scale
Richter scale
50
______ is the greenhouse gas most associated with car exhaust
Methane
Carbon Monoxide
Carbon Dioxide
Methylamine
51
What is the first step to the scientific method?
Collect and analyze data
Draw a conclusion based upon the observations
Conduct the experiment
State the problem to be investigated
52
Which is not a property used to identify minerals?
size
color
hardness
luster
53
Most of the world's major volcanic mountains are located at
subduction zones
high altitudes
fault blocks
folded zones
54
The phase of the moon you see depends on
Where you are on Earth's surface.
Whether or not an eclipse is occurring.
How much of the sunlit side of the moon faces Earth.
How much of the moon's surface is lit by the sun.
55
Put the layers of the earth in order from outside layer to inside
Mantle, core, crust
Core, mantle, crust
Mantle, crust, core
Crust, mantle, core
56
A theory that the Earth's crust and upper mantle are broken into sections.
Continental Drift
Volcanic Contusions
Sea Floor Spreading
Plate Tectonics
57
What is the term for a group of organisms of the same species in a particular area?
Community
Ecosystem
Population
Biosphere
58
Aerosol cans used to deplete the ozone layer with their...
FCC's
CFC's
CCF's
FCF's
59
The way in which the mineral's surface reflects light is known as the
Albedo
Luster
Color
Crystal
60
1 in every ____ deaths globally is linked to air pollution
10
4
8
20