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BJU Science 6 Midterm

Total questions: 164

Worksheet time: 2hrs 35mins

Name
Class
Date
1.
Name the part of the plant cell that provides support.
a)
cell membrane
b)
cell wall
c)
nucleus
d)
vacuole
2.
Name the part of the cell that is the cell engine that breaks down food and releases energy.
a)
cell membrane
b)
mitochondria
c)
nucleus
d)
cytoplasm
3.
Name the part of the cell that is a bubble-like storage organelle
a)
vacuole
b)
mitochondria
c)
nucleus
d)
cytoplasm
4.
Name the part of the cell that is the external boundary for the material inside a cell
a)
cell membrane
b)
cell wall
c)
nucleus
d)
cytoplasm
5.
Name the structure found in plant cells that contains green pigment
a)
vacuole
b)
mitochondria
c)
chloroplast
d)
cytoplasm
6.

Name the jellylike substance inside cell membranes.

a)

chloroplast

b)

mitochondria

c)

nucleus

d)

cytoplasm

7.
Name the large circular structure containing DNA.
a)
vacuole
b)
mitochondria
c)
nucleus
d)
cytoplasm
8.
True or False: An organism is a complete living thing.
a)
true
b)
false
9.
True or False: An organism's life span includes birth, and death only
a)
true
b)
false
10.
Name the instrument that uses lenses to magnify objects
a)
Richter scale
b)
Giger counter
c)
microscope
d)
thermometer
11.
What is the name of the green pigment found in the chloroplasts of a plant cell.
a)
cell membrane
b)
cell wall
c)
chlorophyll
d)
cytoplasm
12.

Who first used word cell according to our science book?

a)

Robert Hooke

b)

Benjamin Franklin

c)

Zacharias Jansen

d)

Anton van Leeuwenhoek

13.
What type of code tells the cell follow as it grows, reproduces and builds substances?
a)
DNA code
b)
RNA code
c)
tRNA code
d)
proteins
14.
Who was credited with the basis of the cell theory?
a)
Robert Hooke & Benjamin Franklin
b)
Zacharias Jensen and Matthias Schleiden
c)
Matthias Shielde and Theodor Schwann
d)
Theodore Schwann and Anton van Leeuwenhoek
15.
What three things do living things do?
a)
grow and develop
b)
reproduce and respond to their environment
c)
die
d)
use energy and are made of cells
16.
What term describes the fact that all living things are made of cells, and cells can function as independent organisms or part of a larger organism?
a)
DNA code
b)
cell membrane
c)
organisms
d)
cell theory
17.

What kingdom has organism live in conditions that are poisonous to other living things?

a)

kingdom Animalia

b)

kingdom Archaebacteria

c)

kingdom Fungi

d)

kingdom Protista

e)

kingdom Plantae

18.

What kingdom has organism that are always multicellular?

a)

kingdom Animalia

b)

kingdom Archaebacteria

c)

kingdom Fungi

d)

kingdom Protista

e)

kingdom Plantae

19.

What kingdom has organism that are sometimes unicellular and have chlorophyll in their cells?

a)

kingdom Animalia

b)

kingdom Archaebacteria

c)

kingdom Fungi

d)

kingdom Protista

e)

kingdom Plantae

20.
What kingdom has organism that have examples of yeast, mold and mushrooms in their kingdom?
a)
kingdom Animalia
b)
kingdom Archaebacteria
c)
kingdom Fungi
d)
kingdom Protista
e)
Kingdome Plantae
21.
A group of the same kind of organisms living together is called?
a)
multicellular
b)
colony
22.
The process of grouping organisms with similar characteristics is called ?
a)
colony
b)
classification
c)
colonization
23.
The name for the smallest living thing
a)
bacteria
b)
fungi
c)
protozoan
d)
plantae
24.
The process of converting sunlight to sugar is called?
a)
photosynthesis
b)
classification
c)
cell division
25.
The process through which organisms grow and replace cells is called
a)
mitosis
b)
meiosis
26.
The process through which organism produces reproductive cells is called?
a)
mitosis
b)
meiosis
27.
A group of cells working together?
a)
system
b)
tissue
c)
organism
d)
organ
28.
Who developed a system of classification?
a)
Robert Hooke
b)
Carolus Linnaeus
c)
Theodor Schwann
29.
What multicellular organism can make its own food?
a)
Plants
b)
Animals
c)
Fungi
30.
Which of these are unicellular?
a)
Eubacteria
b)
Archaebacteria
c)
Protista
d)
Plantae
31.
True or False: Your intestines contain a useful bacteria.
a)
true
b)
false
32.

What two specific ways do we use to classify scientific names of organisms?

a)

species

b)

family

c)

genus

d)

order

33.

What word means unrefined oil, or petroleum?

a)

crude oil

b)

natural gas

c)

fossil fuels

d)

petroleum

34.
What word means liquid form of fossil fuel that can be refined to produce products such as gasoline and kerosene?
a)
crude oil
b)
natural gas
c)
fossil fuels
d)
petroleum
35.
What word means nonrenewable resources formed when the remains of plants and animals are buried quickly?
a)
crude oil
b)
natural gas
c)
fossil fuels
d)
petroleum
36.
What word means fossil fuel that is used to produce heat and light?
a)
crude oil
b)
natural gas
c)
fossil fuels
d)
petroleum
37.
What word means the materials available on Earth for man's use?
a)
natural resources
b)
nonrenewable
c)
renewable
d)
natural gas
38.
What word means resources that cannot be replaced easily?
a)
natural resources
b)
nonrenewable
c)
renewable
d)
natural gas
39.
What word means resources that can be replaced easily?
a)
natural resources
b)
nonrenewable
c)
renewable
d)
natural gas
40.
What mineral is used to produce nuclear energy?
a)
coal
b)
petroleum
c)
natural gas
d)
uranium
41.
What solid fossil fuel is often used to generate electricity?
a)
coal
b)
petroleum
c)
natural gas
d)
uranium
42.
What is the liquid form of a fossil fuel that can be refined to produce products such as gasoline and kerosene called?
a)
coal
b)
petroleum
c)
natural gas
d)
uranium
43.
What is the name of the factory that processes crude oil for use?
a)
petrochemical
b)
factory
c)
refinery
d)
hydroelectric plant
44.
What is the possible result of burning or spilling crude oil products?
a)
oil
b)
natural gas
c)
crude oil
d)
pollution
45.
What is a chemical produced from oil used for other products like makeup or plastic called?
a)
refinery
b)
natural gas
c)
petrochemical
d)
petroleum
46.
Which of these is NOT a renewable energy?
a)
geothermal energy
b)
hydroelectric energy
c)
natural gas
d)
wind energy
e)
solar energy
47.
Which of these is NOT a nonrenewable energy?
a)
coal
b)
natural gas
c)
solar energy
d)
nuclear energy
e)
petroleum
48.
What two renewable resources use hot water?
a)
wind and solar energy
b)
solar and geothermal energy
c)
solar and hydroelectric energy
d)
nuclear energy and hydroelectric energy
49.
Which two renewable resources use steam to turn turbines to produce energy?
a)
wind and solar energy
b)
solar and geothermal energy
c)
solar and hydroelectric energy
d)
nuclear energy and hydroelectric energy
50.
Which two renewable resources require a very large areas of LAND?
a)
wind and solar energy
b)
solar and geothermal energy
c)
solar and hydroelectric energy
d)
nuclear energy and hydroelectric energy
51.
What renewable resource requires water to turn turbines?
a)
Wind energy
b)
solar energy
c)
hydroelectric energy
d)
geothermal energy
52.
What causes different levels of pollution?
a)
different grades of coal burning
b)
temperature of the water in geothermal energy
c)
the amount of water used in hydroelectric energy
d)
the temperature of the wind
53.
What type of energy is made when a dam is built across a river to form a reservoir?
a)
hydroelectric energy
b)
geothermal energy
c)
uranium energy
d)
solar energy
e)
wind energy
54.
What type of energy source uses clean and efficient ways, but too expensive to use on a large scale?
a)
hydroelectric energy
b)
renewable energy
c)
uranium energy
d)
nonrenewable energy
e)
wind energy
55.
All of earth's water is located in the ?
a)
aquifer
b)
hydrosphere
c)
ocean
d)
lake
56.
Water falls to earth as
a)
aquifer
b)
hydrosphere
c)
condensation
d)
precipitation
57.
Water returns to the sky through transpiration and ?
a)
precipitation
b)
condensation
c)
evaporation
d)
58.
What happens when water vapors cool and change into a liquid?
a)
precipitation
b)
condensation
c)
evaporation
59.
What are layers of sand, gravel or bedrock that hold or move ground water called?
a)
aquifers
b)
oceans
c)
hydrosphere
d)
humidity
60.
What is it called when water is stored beneath the surface of the earth?
a)
sea ice
b)
ocean water
c)
ground water
d)
humidity
61.
What do you call floating pieces of glaciers, ice sheets, or ice shelves?
a)
sea ice
b)
ice floes
c)
icebergs
d)
glacier
62.
What do you call it when ocean water freezes?
a)
sea ice
b)
ice floes
c)
icebergs
d)
glacier
63.
What do you call tiny ocean organisms that carry on photosynthesis?
a)
phytoplankton
b)
plants
c)
aquifers
d)
lake
64.
What word means the water vapor in the air?
a)
precipitation
b)
hydrosphere
c)
evaporation
d)
humidity
65.
What is the path water takes that travels from land to sky and back to land called?
a)
water trip
b)
water cycle
c)
earth rotation
66.
What is left behind when Salt water evaporates?
a)
salt and minerals
b)
nothing
c)
half water and half salt
67.
A glacier on land that moves slowly is called?
a)
ice floe
b)
ice sheet
c)
ice shelf
68.
Floating ice is called a(n)
a)
ice floe
b)
ice sheet
c)
ice shelf
69.
How do we preserve our resources?
a)
reduce, reuse, recycle
b)
remote
c)
regeneration
70.
What preservation word means to use materials that you would sometimes throw away?
a)
reduce
b)
reuse
c)
recycle
71.
What preservation word means to lower the amount of resources you use?
a)
reduce
b)
reuse
c)
recycle
72.
What preservation word means taking resources and remaking them into other products?
a)
reduce
b)
reuse
c)
recycle
73.
What is a solid substance found naturally in the earth's surface that has never been alive called?
a)
aluminum
b)
gold
c)
mineral
d)
ore
74.
What is it called when it is able to be dented or shaped?
a)
aluminum
b)
gold
c)
mineral
d)
malleable
75.
What is the process used to separate metal in ore from the other materials called?
a)
malleable
b)
ore
c)
smelting
d)
vein
76.
What is a material that has usable amounts of metal in it called?
a)
malleable
b)
ore
c)
smelting
d)
vein
77.
What is a concentrated area of specific minerals called
a)
malleable
b)
ore
c)
smelting
d)
vein
78.
What is a valuable metal that often indicates wealth
a)
copper
b)
ore
c)
gold
d)
aluminum
79.
What is a strong, lightweight metal that is the most abundant metal in the earth's crust?
a)
copper
b)
ore
c)
gold
d)
aluminum
80.
What type of soil conservation prevents crops and soil from washing downhill?
a)
contour plowing
b)
ground cover
c)
fallow ground
d)
crop rotation
81.
What type of soil conservation prevents soil erosion in unused fields
a)
contour plowing
b)
ground cover
c)
fallow ground
d)
crop rotation
82.
What type of soil conservation lets land rest for a given time to allow natural processes to replenish the nutrients in the soil?
a)
contour plowing
b)
ground cover
c)
fallow ground
d)
crop rotation
83.
What type of soil conservation encourages crops to change in a field year after year?
a)
contour plowing
b)
ground cover
c)
fallow ground
d)
crop rotation
84.
What type of metal is very plentiful and a useful metal that is strong and used to make tools and weapons
a)
iron
b)
copper
c)
gold
d)
aluminum
85.

What is the difference between weathering and erosion?

a)

Weathering is breaking down of rocks, while erosion is when rocks move down a hill.

b)

Weathering is breaking down of rocks and erosion is moving weathered material from one place to another.

c)

Weathering is moving materials from one place to another while erosion is the breaking down of rocks.

86.

Why do depositions often look layered?

a)

settlement is lightest settlement drops first to heaviest dropping last causing layers

b)

settlement is heaviest settlement dropping first to lightest sediment dropping last causing layers.

c)

the ground is always layered, and erosion never deposits extra rock or sediment

87.

What are the three agents of erosion

a)

earth, wind, and fire

b)

water, sand, and rain

c)

water, wind, and ice

88.

What are some problems wave erosion does for the shipping and commerce lanes?

a)

Channels fill with sediment and have to be dredged.

b)

Sandbars may cause shoals where ships may run aground

c)

Areas of land and sea channels may shift.

d)

water is very strong and there are no problems

89.

What is the name of small particles produced by weathering?

a)

weathering

b)

sediment

c)

load

d)

clay

90.

What is it called when weathered material moves from one place to another?

a)

weathering

b)

erosion

c)

deposition

d)

plucking

91.

What is it called when water, wind, or ice drops rocks in a new location?

a)

deposition

b)

erosion

c)

plucking

d)

weathering

92.

What is an area of sediment rich in nutrients that has been deposited at the mouth of a river called?

a)

deposition

b)

glacier

c)

delta

d)

load

93.

what is the name of sediment that a stream carries?

a)

glacier

b)

sediment

c)

load

d)

rock slide

94.

What forms where layers of unmelted snow have compacted into ice?

a)

mountain

b)

glacier

c)

ice sculpture

d)

moraine

95.

What is the process called when a glacier pulls pieces of bedrock loose and caries them along?

a)

moraine

b)

plucking

c)

deposition

d)

erosion

96.

What are piles of rock and soil deposited by a glacier called?

a)

moraine

b)

plucking

c)

load

d)

sediment

97.

What is the primary force behind erosion?

a)

moraine

b)

water

c)

wind

d)

gravity

98.

What type of storm will have wind blowing clouds of clay and silt particles high into the air?

a)

ice storm

b)

wind storm

c)

dust storm

d)

none of the above

99.

The more sediment a stream picks up and moves depends on?

a)

the stream moving faster

b)

the stream moving slower

c)

the stream clogged by a beaver dam

100.

What is it called when gravity is the factor in moving sediment?

a)

erosion

b)

deflation

c)

weathering

d)

mass movement

101.

What is it called when blowing wind picks up loose sediment and carries it away?

a)

erosion

b)

deposition

c)

deflation

d)

weathering

102.

What is an agent of erosion in dry areas such as deserts

a)

wind

b)

ice

c)

water

d)

fire

103.

What is a storm in which wind blows sand close to the ground?

a)

wind storm

b)

ice storm

c)

sand storm

d)

erosion

104.

Which mass movement term is when gravity pulls huge slabs of rock down a mountain?

a)

avalance

b)

earthflow

c)

mudflow

d)

rock slide

105.

What is the mass movement term that means gravity slowly pulls soil down the slope of a hill?

a)

avalance

b)

earth flow

c)

mudflow

d)

soil creep

106.

What is the mass movement word that means gravity pulls rock and sediment down a hill?

a)

avalance

b)

soil creep

c)

earth flow

d)

mudflow

107.

What is the mass movement term that means gravity pulls a combination of water and soil down a hill?

a)

earth flow

b)

mudflow

c)

rockslide

d)

soil creep

108.

What is the mass movement term that means gravity pulls huge amounts of snow down a mountain?

a)

avalance

b)

earth flow

c)

mudflow

d)

soil creep

109.

When the shoreline constantly changes, water and this take place?

a)

wind

b)

erosion

c)

deposition

d)

mass movement

110.

Which of these is not a cause of earthquakes

a)

when molten rock moves under a volcano

b)

when large amounts of earth are removed or added

c)

after a tsunami erupts from pressure under the crust

d)

the buildup and release of energy when two surface plates move or shift against each other

111.

Which is not a type of fault?

a)

forward

b)

strike-slip

c)

reverse

d)

normal

112.

The idea that the earth's crust is made up of moving plates

a)

faults

b)

focus

c)

theory of plate tectonics

d)

seismic wave

113.

What are breaks in the earth's surface along which rocks can move?

a)

faults

b)

focus

c)

theory of plate tectonics

d)

seismic wave

114.

What is the beginning point of an earthquake called?

a)

fault

b)

focus

c)

theory of plate tectonics

d)

seismic waves

115.

What are the vibrations of energy that flow out from the beginning point of an earthquake called?

a)

faults

b)

focus

c)

theory of plate tectonics

d)

seismic waves

116.

What is the point on the surface of the earth directly above the focus called?

a)

epicenter

b)

magnitude

c)

Richter scale

d)

Seismograph

117.

What is a machine that detects, times, and measures the movements of the earth called?

a)

epicenter

b)

magnitude

c)

Richter scale

d)

seismograph

118.

What is the strength of the seismic waves of an earthquake called?

a)

epicenter

b)

magnitude

c)

Richter scale

d)

seismograph

119.

What measures the magnitude of an earthquake's seismic waves and assigns it a number?

a)

epicenter

b)

magnitude

c)

Richter scale

d)

seismograph

120.
All living things grow and ____?
a)
sneeze
b)
develop
c)
energy
121.
Living things respond to their ____?
a)
development
b)
energy
c)
environment
122.

Living things use ____?

a)

development

b)

energy

c)

environment

123.
Living things are made of ____?
a)
energy
b)
development
c)
energy
d)
cells
124.
The organelles inside a cell that break down food and release energy.
a)
mitochondria
b)
cytoplasm
c)
cells
d)
ribosomes
125.
The jellylike substances inside the cell membrane.
a)
organelles
b)
cytoplasm
c)
cells
d)
environment
126.
An instrument that uses lenses to magnify objects.
a)
balance
b)
microscope
c)
telescope
d)
cell
127.
The external boundary for the material inside a cell.
a)
cell wall
b)
cytoplasm
c)
cell membrane
d)
nucleus
128.
The circular organelles that contains the DNA.
a)
chloroplast
b)
cell wall
c)
vacuoles
d)
nucleus
129.

The structure found in plant cells that contains the green pigment.

a)

cell wall

b)

cell membrane

c)

chloroplast

d)

chlorophyll

130.
What is a complete living thing called?
a)
organism
b)
organelle
c)
microscope
d)
cell
131.
When an organism is born, grows into an adult, has offspring, ages, and dies is called ____?
a)
life cycle
b)
energy
c)
development
d)
environment
132.

When living things can create new organisms ?

a)

energy

b)

life cycle

c)

environment

d)

reproduce

133.
The ability to do work?
a)
energy
b)
life cycle
c)
environment
d)
reproduce
134.
The smallest unit of a living organism?
a)
energy
b)
cell
c)
cell theory
d)
reproduce
135.
The idea that all living things are made of cells, cells can function as individual organisms, or in larger organisms.
a)
evolution
b)
cell theory
c)
life cycle
d)
development
136.

Name the Dutch inventor who was credited with inventing the first microscope.

a)

Zacharias Jansen

b)

Anton van Leeuwenhoek

c)

Robert Hooke

137.
DNA is packed loose or tight in little bundles called ___?
a)
mitochondria
b)
cell
c)
chromosomes
d)
environment
138.

What part is responsible for breaking down the cell's food and releasing energy, the transportation system?

a)

mitochondria

b)

cell

c)

chromosomes

d)

E.R. (Endoplasmic Reticulum)

139.

An abundant amount of green pigment, or another name for green pigment?

a)

chloroplast

b)

chlorophyll

c)

chromosomes

d)

E.R.

140.

Name the large cell that houses the chlorophyll.

a)

chloroplast

b)

chlorophyll

c)

chromosomes

d)

E.R.

141.

Which word means a type of rock that forms from cooled magma?

a)

rock cycle

b)

metamorphic rock

c)

igneous rock

d)

sedimentary rock

142.

Which word means a type of rock that forms from harden sediment and tiny organisms?

a)

igneous rock

b)

metamorphic rock

c)

rock cycle

d)

sedimentary rock

143.

Which word means a type of rock that forms by great heat and pressure?

a)

igneous rock

b)

metamorphic rock

c)

rock cycle

d)

sedimentary rock

144.

Which word is a name given to the changing of rock to different types?

a)

metamorphic rock

b)

rock cycle

c)

weathering

d)

exfoliation

145.

What forms when carbon dioxide dissolves in water?

a)

carbonic acid

b)

acid rain

c)

weathering

d)

stalactite

146.

What is the process of breaking down rocks called?

a)

oxidation

b)

exfoliation

c)

weathering

d)

erosion

147.

What forms from dissolved calcite and hangs from the ceiling of a cave?

a)

column

b)

stalagtite

c)

stalagmite

d)

drip curtain

148.

What is a build up on the floor of a cave from dripping dissolved calcite called?

a)

column

b)

stalagtite

c)

stalagmite

d)

drip curtain

149.

What is the mechanical weathering that occurs when sheets of rock peel away called?

a)

exfoliation

b)

mechanical weathering

c)

chemical weathering

d)

a catastrophic event

150.

Catastrophic events that cause mechanical weathering can be which of the following?

a)

cracks in the earth's surface

b)

oxidation

c)

wind and rain

d)

fire and floods

151.

What is the process called when water freezes under a rock, expands and pushes it up?

a)

frost heaving

b)

oxidation

c)

pressure release

d)

frost wedging

152.

What is the process where water freezes and expands forcing the rock apart

a)

frost heaving

b)

exfoliation

c)

abrasion

d)

frost wedging

153.

What is the mechanical weathering process when a shift in the ground reduces the pressure and causes the rocks to expand rapidly?

a)

exfoliation

b)

frost wedging

c)

pressure release

d)

chemical weathering

154.

What is the process when sheets of rock peel away like layers of an onion?

a)

pressure release

b)

exfoliation

c)

oxidation

d)

abrasion

155.

What is the chemical weathering process when oxygen combines with a rock and forms new compounds?

a)

oxidation

b)

exfoliation

c)

abrasion

d)

frost heaving

156.

What is the process of mechanical weathering when rocks rub against each other?

a)

abrasion

b)

oxidation

c)

exfoliation

d)

carbonation

157.

What is the process when oxygen in the air combines with iron, and forms iron oxide (rust) called?

a)

exfoliation

b)

abrasion

c)

oxidation

d)

mechanical weathering

158.

Name the type of chemical weathering when carbon dioxide dissolves in water making a weak acid. (is used in soft drinks).

a)

oxidation

b)

carbonic acid

c)

sulfuric acid

d)

acid rain

159.

What is the chemical weathering that combines the smoke from fossil fuels called suffer dioxide, with water in the atmosphere?

a)

oxidation

b)

acid rain

c)

carbonic acid

d)

exfoliation

160.

What type of weathering is it when lichens and mosses are found growing on rocks in the forest?

a)

acid rain

b)

carbonic acid

c)

chemical weathering

d)

mechanical weathering

161.

What are two important functions of weathering?

a)

replenishes minerals for plant growth and forms soil

b)

takes the rocks away for plants to grow

c)

damages trees and wildlife

d)

provides a coating for rocks and metals

162.

What are the three categories of rocks?

a)

igneous

b)

sedimentary

c)

rock cycle

d)

metamorphic

163.

What type of weathering breaks rocks into smaller pieces?

a)

mechanical weathering

b)

chemical weathering

164.

What type of weathering transforms rocks into new substances?

a)

mechanical weathering

b)

chemical weathering

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6th - 8th Grade