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8th Grade Science STAAR Review Flashcards | StudBud
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8th Grade Science STAAR Review
8th Grade Science STAAR Review
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1
Which of these has a negative charge?
Neutron
Proton
Atom
Electron
2
_____________ are electrons in the outermost energy level, and are involved in bonding.
Happy-Go-Lucky Electrons
Valence Electrons
Electron Cloud
Nucleus Electrons
3
The tendency of an object to stay at rest or stay in motion, its resistance to change
Convection
Inertia
Velocity
Friction
4
The atomic number tells you...
the amount of protons
the amount of electrons
the number of neutrons
How many ice cream cones an electron can consume
5
Areas over land are called...
Continental
Maritime
6
A warm climate near the equator, due to more direct sunlight.
Continental
Maritime
Tropic Region
Polar Region
7
A compound....
Has 2 + elements chemically combined that must be diff.
Has 2 + elements chemically combined (same or diff.)
8
An atom is...
a building block of matter
an area that encircles nucleus, where electrons are found
the sum of protons and neutrons in the nucleus
one type of atom that can't be broken down further
9
What things make up the atomic mass?
Protons & Electrons
Neutrons & Protons
Protons, Neutrons, Electrons
Neutrons & Electrons
10
Being put down into a new location is called...
Erosion
Weathering
Deposition
11
Any change in speed or direction....
Acceleration
Speed
Gravity
Velocity
12
_________ happens when the amount of moonlight you see is decreasing.
Waxing
Waning
13
The effect of Earth's rotation that causes the path of wind to curve is called...
Blocking Effect
Allais Effect
Crabtree Effect
Coriolis Effect
14
A nebula is...
a sphere of matter with a density & a very high temp
a system of stars and associated matter held by gravity
all of space and its contents
is a collection of dust and gas that form stars
15
Which is a characteristic of a metal?
Good conductors
Located on right of stairstep
Brittle
Does not transfer hear or energy
16
Can be observed without changing the identify or chemical makeup of the matter
Physical Properties
Chemical Properties
17
The Law of Inertia states...
an object in motion will stay in motion
For every action, there is an equal & opposite reaction
An object will continue moving at a velocity
18
Hertzspring-Russel diagram...
was discovered by Edwin Hubble
includes all of space and its contents
is a collection of dust and gas that form stars
measure luminosity and temperature on a graph
19
Select one
ADVANTAGE
of a model:
Visual representation of scientific things
Not to Scale
Materials needed can be limiting
Inaccurate
20
All __________ are also __________, but not all __________ are __________.
Compounds, Molecules; Molecules, Compounds
Molecules, Compounds; Compounds, Molecules
Compounds, Compounds; Molecules, Molecules
21
Which is
NOT
a characteristic of balanced forces?
greater net force than 0
equal and opposite
0 newtons
do not cause movement
22
Gravitation attraction of the moon and sun cause...
Seasons
Global Warming
Alien Invasions
Tides
23
When the amount of moonlight you see is increasing, ________ is happening.
Waning
Waxing
24
Which is greater in thickness?
Oceanic Crust
Continental Crust
25
Seasons are caused by...
The tile of the earth on its axis
The moons rotation around the earth
Gravitational attraction of the sun and moon
Hillary Clinton
26
Which is not a type of plate boundary?
Divergent
Convergent
Transform
Allegiant
27
Which is more dense?
Oceanic Crust
Continental Crust
28
One type of atom that cannot be broken down into a simpler substance
Element
Proton
Neutron
Atom
29
The rising and sinking of hot and cold air or water causes...
Currents
Seasons
Waves
Tides
30
Wind causes...
Waves
Seasons
Currents
Donald Trump's toupee to be blown off
31
Breaking down something into smaller pieces is called...
Weathering
Erosion
Deposition
32
Speed is...
The distance an obj. travels in a specific amount of time
Any change in speed or direction
a speed decrease and eventual stop of an object
the transfer of heat by the movement of a heated liquid/gas
33
Who is responsible for the Continental Drift Theory?
Alfred Wegener
Jimmy Neutron
Isaac Newton
Alfred Hitchcock
34
Qualitative observations...
use your senses and do not include amounts
involve both quantities and amounts
35
__________ is all of space and its contents.
Galaxy
Texas
Universe
Pangea
36
Spinning of an object, the earth rotates at an angle on its axis
Revolution
Rotation
37
If both side of the equation contain equal amounts of atoms for each element, it is...
Combustible
Balanced
Unbalanced
No longer an equation
38
Element present in
ALL
organic things
Oxygen
Carbon
Calcium
Nitrogen
39
Going around an object (Earth/Sun)
Revolution
Rotation
40
________ measures distance in the universe
Inches
Buzz Lightyear
Light Years
Miles
41
Which is NOT an example of a physical property?
Ability to change into new subs. w/ diff. chem. properties
Ability to transfer energy (insulator/conductor)
Melting Point
ability to bend without breaking
42
_________ is the partial or complete hiding from view of an astronomical obj. (Sun/Moon)
Eclipse
Equinox
Lunar Cycle
43
A cold climate near the North & South poles due to less direct sunlight.
Maritime
Polar Region
Tropic Region
Continental
