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Worksheets8th Grade Science Vocabulary Final Exam
Total questions: 60
Worksheet time: 33mins
Name
Class
Date
1.
the tiny particles that make up an atom; proton, neutron and electron.
a)
atom
b)
electron cloud
c)
nucleus
d)
subatomic particles
2.
the positively charged particle that is found in an atom's nucleus.
a)
subatomic particle
b)
proton
c)
neutron
d)
electron
3.
the neutral particle that is found in the atom's nucleus.
a)
neutron
b)
proton
c)
electron
d)
nucleus
4.
the negatively charged particle that is found in the atom's electron cloud.
a)
electron
b)
proton
c)
neutron
d)
nucleus
5.
the central area of the atom that contains the protons and neutrons.
a)
nucleus
b)
proton
c)
electron
d)
neutron
6.
the electron(s) found in the outermost electron shell (ring) that determines an atom's reactivity.
a)
valence electron
b)
proton
c)
neutron
d)
electron
7.
building block of all matter
a)
atom
b)
proton
c)
neutron
d)
electron
8.
the area outside the nucleus that contains the electrons
a)
electron cloud
b)
electron
c)
nucleus
d)
subatomic particle
9.
the sum of protons and neutrons that determines an atom's mass
a)
atomic mass
b)
atomic number
c)
nucleus
d)
neutron
10.
the number that identifies an element; indicates the number of protons
a)
atomic number
b)
atomic mass
c)
proton number
d)
electron number
11.
an element that is malleable (ductile), is a conductor and has a shiny luster
a)
metal
b)
non metal
c)
metalloid
12.
describes how easy it is for an atom to combine with other atoms to form a compound.
a)
reactivity
b)
electrons
c)
protons
d)
neutrons
13.
the columns in The Periodic Table of Elements that contain elements with the same valence electrons and reactivity.
a)
group
b)
period
c)
row
14.
the rows in The Periodic Table of Elements that contain elements with the same number of electron shells (rings)
a)
period
b)
column
c)
group
d)
family
15.
an element that is brittle, dull and and insulator
a)
non metal
b)
metalloid
c)
metal
16.
an element that has both metal and non metal properties; found along the stairs (zig zag)
a)
metalloid
b)
metal
c)
non metal
17.
a combination of chemical symbol(s) and number(s) that indicates the elements and how many atoms it contains
a)
chemical formula
b)
chemical reaction
18.
a combination of chemical formulas that indicates the reactants and products of a chemical reaction
a)
chemical equation
b)
chemical formula
c)
chemical reaction
19.
in a chemical formula, the small number that is written below the symbol that indicates the number of atoms
a)
coefficient
b)
subscript
c)
chemical symbol
d)
superscript
20.
in a chemical formula, the large number in front of the symbol that indicates the number of molecules
a)
subscript
b)
superscript
c)
coefficient
21.
in a chemical equation, the chemicals written before the arrow that indicate the chemicals that react during a chemical reaction
a)
reactants
b)
products
c)
reacting group
22.
in a chemical equation the chemicals that are written after the arrow, indicating the chemicals that were formed
a)
chemical formula
b)
molecules
c)
reactants
d)
products
23.
the solid that forms when two clear liquids are mixed during a chemical reaction
a)
precipitate
b)
solid
c)
solute
d)
solvent
24.
a change that does not form a new substance
a)
chemical change
b)
physical change
25.
any change in an object's motion; change in direction, speed or velocity
a)
acceleration
b)
chemical change
c)
motion
d)
constant motion
26.
the invisible force that attracts objects towards the Earth
a)
gravity
b)
inertia
c)
friction
d)
motion
27.
the tendency for an object to stay in motion or to stay at rest
a)
friction
b)
gravity
c)
motion
d)
inertia
28.
the sum of all forces acting on an object
a)
acting force
b)
inertia
c)
gravity
d)
net force
29.
how fast an object is moving; calculated by dividing distance by time
a)
speed
b)
acceleration
c)
inertia
d)
motion
30.
when forces acting on an object are equal or cancel out; causes no motion or no change in motion
a)
speed
b)
force
c)
balanced force
d)
unbalanced force
31.
speed with direction
a)
velocity
b)
speed
c)
acceleration
d)
motion
32.
one of Newton's Law of Motion that explains the tendency of an object to continue moving or not moving
a)
Newton's Law of Inertia
b)
Newton's Law of Force and Acceleration
c)
Newton's Law of Action-Reaction
33.
one of Newton's Law of Motion that explains that a large object will require a large force to make it move, while a small object will require a small force to make it move
a)
Newton's Law of Inertia
b)
Newton's Law of Force and Acceleration
c)
Newton's Law of Action-Reaction
34.
one of Newton's Laws of Motion that explains that for every action, there's an equal but opposite reaction
a)
Newton's Law of Inertia
b)
Newton's Law of Force and Acceleration
c)
Newton's Law of Action-Reaction
35.
an area that is composed of biotic and abiotic factors
a)
living
b)
non living
c)
biome
d)
ecosystem
36.
the non living parts of an ecosystem
a)
biotic
b)
abiotic
37.
the living parts of an ecosystem
a)
biotic
b)
abiotic
38.
the organism in an ecosystem that gets hunted and eaten
a)
predator
b)
prey
c)
parasite
d)
host
39.
the organism in an ecosystem that hunts, kills and eats another organism
a)
predator
b)
prey
c)
parasite
d)
host
40.
the entire face of the moon is lit
a)
Full Moon
b)
New Moon
c)
Waxing Gibbous
d)
Waning Gibbous
41.
the entire face of the moon is dark
a)
New Moon
b)
Full Moon
c)
Gibbous moon
d)
Full moon
42.
the C shaped moon is on the left side
a)
waxing crescent
b)
waning crescent
c)
waxing gibbous
d)
waning gibbous
43.
the C shaped moon is on the right side
a)
waxing crescent
b)
waxing gibbous
c)
waning crescent
d)
waning gibbous
44.
when most of the right side of the moon is visible
a)
waxing gibbous
b)
waning gibbous
c)
1st Quarter
d)
3rd Quarter
45.
the action that describes an object's motion going around another object
a)
rotation
b)
revolution
46.
the word that describes an object spinning on its own axis
a)
rotation
b)
revolution
47.
the lines found on a topographic map that show elevation
a)
contour lines
b)
elevation lines
c)
topographic lines
d)
surface lines
48.
the study of earth's surface and terrain like mountains and valleys
a)
topography
b)
Earthology
c)
surfology
d)
elevation
49.
the area found near a convergent boundary that is formed when a tectonic plate goes underneath another tectonic plate
a)
subduction zone
b)
rift valley
c)
fault
d)
mountain
50.
the landform caused by a transfrom boundary causing the crust, streets, fences and/or rivers to bend or break
a)
earth quake
b)
fault
c)
rift valley
d)
mountains
51.
found along a divergent boundary where the ocean floor splits and lava forms underwater mountains
a)
sea floor spreading
b)
volcano
c)
mid ocean ridge
d)
rift valley
52.
the landform caused by a divergent boundary where the land between two plates sinks forming a valley.
a)
rift valley
b)
river valley
c)
sea floor spreading
d)
mid ocean ridge
53.
the type of boundary where two tectonic plates slide past each other forming faults and causing earthquakes
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
54.
the type of boundary where two tectonic plates move away from each other forming mid ocean ridges, sea floor spreading or rift valleys.
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
55.
the action of the ocean floor spreading apart due to a divergent boundary
a)
sea floor spreading
b)
sea floor divergent
c)
sea floor action
56.
idea that the Earth's continents are constantly moving in different directions
a)
continental drift
b)
continental shift
c)
continental motion
57.
Theory stating that Earth's crust is broken into pieces "plates" that float atop the molten mantle
a)
Theory of Plate Tectonics
b)
Theory of Floating Plates
c)
Theory of Broken Plates
58.
the large landmass that broke apart into the present 7 continents
a)
Pangaea
b)
North America
c)
South America
d)
Antartica
59.
Spinning of Earth on its axis.
a)
Rotation
b)
Revolution
60.
what causes day and night?
a)
rotation
b)
revolution
c)
solstice
d)
equinox
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