Worksheets8th gr Science Spring Semester Test Review
Total questions: 68
Worksheet time: 34mins
Name
Class
Date
1.
The driving force behind plate tectonics.
a)
convection currents
b)
divergent currents
c)
lithosphere
d)
constructive
2.
Only liquid layer of Earth
a)
Lithosphere
b)
Outer core
c)
Inner core
d)
mantle
3.
Rock that forms when another type of rock undergoes physical and chemical changes due to heat and pressure.
a)
Sedimentary
b)
Igneous
c)
Metamorphic
d)
Conglomerate
4.
Plate boundary in which plates pull apart forming rift valleys and mid-ocean ridges.
a)
Destructive
b)
Convergent
c)
Divergent
d)
Mid-Ocean ridge
5.
Rock that forms when molten rock cools and hardens.
a)
Conglomerate
b)
Sedimentary
c)
Metamorphic
d)
Igneous
6.
Upper mantle and crust that is broken into tectonic plates.
a)
Lithosphere
b)
Outer core
c)
Inner core
d)
Mantle
7.
Rock that forms from compaction and cementation.
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Conglomerate
8.
Any process that destroys or wears down surface features.
a)
Constructive
b)
Convergent
c)
Destructive
d)
Transformation
9.
Plastic-like layer of Earth on which the teconic plates move
a)
Asthenosphere
b)
Lithosphere
c)
Mantle
d)
Outer Core
10.
Crust that is composed mainly of granite.
a)
continental
b)
mantle
c)
oceanic
d)
lithosphere
11.
Crust that is composed mainly of basalt.
a)
Continental
b)
Oceanic
c)
Mountains
d)
Lithosphere
12.
Plate boundary in which plates collide forming mountain chains.
a)
Divergent
b)
Continental
c)
Convergent
d)
Slip-fault
13.
The only layer of Earth that has been studied directly
a)
Mantle
b)
Oceanic
c)
Continental
d)
Crust
14.
Active area of earthquakes and volcanoes around the Pacific Plate.
a)
Asthenosphere
b)
California
c)
Ring of Fire
d)
Mountain
15.
Plate boundary in which plates scrape past each other producing earthquakes.
a)
Mountian plates
b)
Sliding fault
c)
Transform
d)
Slip-fault
16.
Any process that raises or builds up surface features of Earth.
a)
Constructive
b)
Destructive
c)
Divergent
d)
Continental
17.
Scientist that discovered the electron.
a)
Rutherford
b)
Chadwick
c)
Thomsom
d)
Newton
18.
The number of protons is equal to this number located on the periodic table.
a)
Nucleus
b)
Neutrons
c)
Atomic number
d)
Electrons
19.
Scientist that discovered protons and the nucleus.
a)
Thomson
b)
Chadwick
c)
Rutherford
d)
Newton
20.
Scientist that proved the existence of neutrons.
a)
Thomson
b)
Chadwick
c)
Rutherford
d)
Newton
21.
Location of protons and neutrons in an atom.
a)
Atomic number
b)
Nucleus
c)
Atomic mass
d)
Electron clouds
22.
Way to identify the number of neutrons in the atom.
a)
Atomic mass-Atomic number
b)
Atomic mass-Electrons
c)
Atomic mass+Atomic number
d)
Atomic mass+Electrons
23.
Number of electrons located in each of the first four energy levels.
a)
2,8,18,32
b)
2,8,8,18
c)
2,18,18,2
d)
2, 2.8.8
24.
Atomic particle with no charge
a)
Element
b)
Neutron
c)
Proton
d)
Electron
25.
Matter made up of only one kind of atom
a)
Neutron
b)
Proton
c)
Element
d)
Atom
26.
Location of electrons in an atom.
a)
Electron cloud
b)
Nucleus
c)
Proton
d)
Electron model
27.
Ruthenium has an atomic number of 44 and a mass of 101. How many electrons?
a)
145
b)
101
c)
44
d)
57
28.
Part of the atom that can move one atom to another
a)
electron
b)
neutron
c)
proton
d)
nucleus
29.
Inventor of the light bulb.
a)
Thomson
b)
Chadwick
c)
Rutherford
d)
Thomas Edison
30.
A material in which electrons can move more easily.
a)
electricity
b)
insulator
c)
conductor
d)
current
31.
An imbalance of electric charge.
a)
current
b)
static
c)
conductor
d)
insulator
32.
Relationship between current, voltage, and resistance.
a)
Ohm's Law
b)
resistance
c)
Current
d)
Static
33.
Circuit that has a break in the path, so current cannot flow.
a)
parallel
b)
closed
c)
open
d)
series
34.
Circuit that has more than one path for electric current to flow.
a)
closed
b)
breaker
c)
open
d)
parallel
35.
Device designed to open an overloaded circuit.
a)
switch
b)
battery
c)
Circuit breaker
d)
Circuit wire
36.
Circuit that has only one path for electrons to follow.
a)
parallel
b)
open
c)
closed
d)
series
37.
Which one is not a conductor?
a)
penny
b)
iron nail
c)
paperclip
d)
plastic
38.
Which one is not an insulator?
a)
rubber band
b)
plastic
c)
crayon
d)
copper
39.
The distance between one point on a wave and the nearest point moving with the same speed and direction.
a)
frequency
b)
wavelength
c)
pitch
d)
hertz
40.
The bouncing back of a wave when it strikes an object or surface.
a)
refraction
b)
reflection
c)
mechanical
d)
wavelength
41.
The human perception to the frequency of sound.
a)
hertz
b)
pitch
c)
mechanical
d)
decibels
42.
Waves that can travel through matter or empty space.
a)
wave length
b)
reflection
c)
electromagnetic
d)
refraction
43.
The change in direction, or dending, of a wave when it travels from one material to another.
a)
reflection
b)
refraction
c)
difraction
d)
wave length
44.
Waves that can only travel through matter.
a)
transverse
b)
mechanical
c)
longitudinal
d)
electromagnetic
45.
Unit of measure for frequency
a)
Pitch
b)
Hertz
c)
Wavelength
d)
Frequency
46.
Type of wave composed of crests and troughs
a)
longitudinal wave
b)
transverse wave
c)
microwave
d)
wavelength
47.
Type of wave composed of compressions and rarefractions
a)
transverse wave
b)
longitudinal wave
c)
wavelength
d)
magnitudal wave
48.
Material in which sound waves travel fastest
a)
gas
b)
liquid
c)
solid
d)
plasma
49.
Unit of measure of sound intensity
a)
decibel
b)
hertz
c)
frequency
d)
noise
50.
The process of locating objects by bouncing sounds off them
a)
decibel
b)
infrared sound
c)
echolocation
d)
refraction sound
51.
This part of the ear is responsible for collecting sound.
a)
cochela
b)
semicircular canal
c)
inner ear
d)
pinna
52.
This organ, located in the ear, controls balance
a)
inner ear
b)
semicircular canal
c)
Eustachian Tube
d)
middle ear bones
53.
This organ of the ear converts vibrations from the middle ear to signals that get sent to the brain.
a)
Eustachian Tube
b)
cochela
c)
middle ear
d)
pinna
54.
The portion of electromagnetic spectrum detected by the eye
a)
infrared
b)
x-ray
c)
ultraviolet
d)
visible light
55.
Type of waves produced by the sun
a)
infrared
b)
microwave
c)
ultraviolet
d)
visible light
56.
Waves that can be used to form images of bone
a)
microwave
b)
x-ray
c)
uv ray
d)
EEG
57.
Wave that is felt as head; used in remote controls and night vision goggles
a)
x-ray
b)
ultraviolet
c)
rods
d)
infrared
58.
Waves often used for wireless communications and cooking food
a)
infrared
b)
ovens
c)
microwave
d)
ultraviolet
59.
Dark circle in the center of the iris; hole that allows light to enter eye
a)
retina
b)
pupil
c)
sclera
d)
cones
60.
Layer of light sensitive cells at the back of your eye
a)
sclera
b)
cones
c)
rods
d)
retina
61.
Thick, tough, white outer covering of the eyeball
a)
rods
b)
pupil
c)
retina
d)
sclera
62.
Thick, clear jelly that helps give the eyeball its shape.
a)
cones
b)
vitreous humor
c)
rods
d)
sclera
63.
These cells in the retina help you see black, white, and shades of gray
a)
cones
b)
rods
c)
pupil
d)
iris
64.
Condition of the eye that occurs when cone cells in the eye do not work correctly
a)
cones
b)
vitreous humor
c)
colorblindness
d)
rods
65.
Condition of the eye where a person can see up close, but has trouble seeing far away objects
a)
nearsighted
b)
farsighted
c)
can't see far
d)
middlesighted
66.
Part of the eye that sweeps dirt from the surface and protects the eye from injury
a)
eyebrow
b)
eyelid
c)
eyelash
d)
pupil
67.
Prevents sweat from running into the eye
a)
eyelid
b)
eyelash
c)
eyebrow
d)
eyeshadow
68.
Cells that allow us to see color
a)
cones
b)
colorblindness
c)
rods
d)
vitreous humor
100 %
