WorksheetsMr Matthew Science Test prep 8th Grade
Total questions: 40
Worksheet time: 29mins
Name
Class
Date
1.
Which mixture can be separated into its component parte with a magnet?
a)
salt and pepper
b)
pepper and iron filings
c)
salt and sugar
d)
peper and sand
2.
All of the following are mixtures except
a)
paint
b)
milk
c)
sugar
3.
Which of the following transforms energy from plant and animal matter into electrical energy?
a)
rotating windmills
b)
burning biomass
c)
splitting atoms
d)
mining coal
4.
When a soccer ball is on a field, the energy it has just before being kicked is called
a)
kinetic energy
b)
potential energy
c)
mechanical energy
d)
chemical energy
5.
Temperatures in the mantle of the Earth are as hot as
a)
4000 degrees F
b)
the sun
c)
400 degrees F
d)
Takis
6.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tectonic Plates
c)
Climate Zones
d)
None of the above.
7.
The first wave of an earthquake is . . . .
a)
tsunami
b)
surface wave
c)
p wave
d)
s wave
8.
Which of these seismic waves creates the most damage during an earthquake?
a)
primary
b)
secondary
c)
surface
9.
How does freezing water cause the weathering of rocks? The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands cracks and breaks rocks
d)
causes rocks to fall in landslides
10.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
11.
Is Nuclear Energy renewable?
a)
It is not Renewable or Non-Renewable
b)
Renewable
c)
Non-Renewable
d)
Both
12.
True or False: Nuclear energy good for the environment
a)
True
b)
False
c)
I don't know
13.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
14.
____________ is the ability to cause change.
a)
Energy
b)
Force
c)
Friction
d)
Motion
15.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
16.
Transfer heat between substances that are in direct contact with each other
a)
Radiation
b)
Convection
c)
Conduction
d)
Convection Current
17.
Only occurs in fluid
a)
Radiation
b)
Convection
c)
Conduction
d)
Convection Current
18.
Transfer of heat through empty space
a)
Radiation
b)
Convection
c)
Conduction
d)
Convection Current
19.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
20.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
21.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
22.
The pictures shows what a student observed when he looked through a hand lens at a penny.
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
a)
absorbed
b)
reflected
c)
refracted
d)
stopped
23.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
24.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
25.
Two boys play with their dog in the park. Which of the dog's actions is an inherited trait?
a)
Sitting on command
b)
Walking on four legs
c)
Rolling over
d)
Fetching a newspaper
26.
This female and male cat had kittens.
Which of the kittens below is most likely their kitten?
Which of the kittens below is most likely their kitten?
a)
Solid black kitten
b)
Black spotted and white kitten
c)
solid white kitten
d)
purple kitten
27.
The sun and everything that revolves around it.
a)
solar system
b)
galaxy
c)
universe
d)
rotation
28.
What causes Earth's seasons?
a)
the tilt of Earth's axis
b)
Earth's rotation
c)
the revolution of the Moon
d)
Earth's distance from the Sun
29.
Fixed patterns of stars are called _____.
a)
Constellations
b)
Nebulas
c)
orbits
d)
systems
30.
Differences in the moon's and sun's pull on different sides of the Earth cause _________.
a)
gravity
b)
lunar phases
c)
tides
d)
dabbing
31.
Which organelle is only found in a plant cell?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
32.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
33.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
34.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
35.
Small grains that contain a plant's male reproductive cells.
a)
stamen
b)
pollen
c)
anther
d)
stigma
36.
The structures containing female reproductive cells.
a)
seeds
b)
style
c)
gametes
d)
anthers
37.
Unlike the cells of eukaryotes, the cells of bacteria do not have
a)
a nucleus
b)
cell walls
c)
flagellum
d)
cells
38.
________________ that are decomposers break down large chemicals in dead organisms into small chemicals.
a)
viruses
b)
cells
c)
Bacteria
d)
autotrophs
39.
Name this boundary
a)
Convergent
b)
Divergent
c)
Transform
d)
Sergent
40.
Which of the following is associated with transform boundary?
a)
volcanoes
b)
mountains
c)
trenches
d)
earthquakes and fault line
100 %
