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Worksheets6th grade Semester Exam
Total questions: 124
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
Which of the following is a part of the geosphere?
a)
a cloud
b)
a daisy
c)
an elk
d)
a cliff
2.
The coolest stars in the sky are __________ in color.
a)
yellow
b)
red
c)
blue
d)
white
3.
A _____ occurs when the Moon moves directly between the Sun and Earth and throws a shadow on Earth.
a)
solar eclipse
b)
lunar eclipse
c)
waning gibbous
d)
waxing gibbous
4.
Which statement is false?
a)
A microscope is needed to see all unicellular organisms.
b)
Unicellular means made up of one cell.
c)
Unicellular organisms are the oldest forms of life.
d)
Paramecia are unicellular.
5.
In a gymnosperm, the pollen is produced by _____.
a)
the female cone
b)
the sperm
c)
the egg
d)
the male cone
6.
When Earth’s axis is tilted the most toward or away from the Sun, it is called a(n) ________________.
a)
equinox
b)
revolution
c)
solar eclipse
d)
solstice
7.
Where is groundwater stored?
a)
in lakes and rivers
b)
in oceans
c)
in ice caps at the poles
d)
in cracks and pores beneath Earth’s surface
8.
The yearly orbit of Earth around the Sun is called its _____.
a)
rotation
b)
ellipse
c)
revolution
d)
tilt
9.
Which of the following is NOT a unicellular organism?
a)
bacteria
b)
amoebas
c)
gnat
d)
paramecia
10.
Why is the leeward side of the mountain dry in the illustration?
a)
As the air on the windward side rises and cools, the water vapor condenses and precipitation occurs, leaving little precipitation for the leeward side.
b)
The air containing water vapor is too heavy to rise above the mountains.
c)
a combination of a and b
d)
neither a nor b
11.
Chloroplasts capture light energy and produce _________________
a)
ATP molecules and carbohydrates
b)
DNA and RNA
c)
carbohydrates and DNA
d)
ATP molecules and DNA
12.
Carrots and beets take two growing seasons to mature. These are called _____.
a)
annuals
b)
biennials
c)
perennials
d)
dormancy
13.
Where is water stored?
a)
on Earth's surface
b)
in the atmosphere
c)
underground
d)
all of the above
14.
_____ is the third planet from the Sun.
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
15.
A tide is a _________ rise and fall of sea level.
a)
daily
b)
monthly
c)
yearly
d)
rare
16.
Which of the following is NOT part of the life cycle of a seed plant?
a)
spores
b)
diploid zygote
c)
pollen
d)
gametophyte
17.
Which of the following is the female reproductive organ of an angiosperm?
a)
ovary
b)
petal
c)
pistil
d)
stamen
18.
Humidity is _____.
a)
the force exerted by air molecules in all directions
b)
the amount of water vapor in a given volume of air
c)
the likeliness of precipitation on a given day
d)
none of the above
19.
Which of the following is NOT one of the four macromolecules that make up cells?
a)
lipids
b)
citric acids
c)
proteins
d)
carbohydrates
20.
What is the basic shape of every planet’s orbit?
a)
circle
b)
ellipse
c)
square
d)
triangle
21.
Through _____ water and minerals travel through roots and rhizoids into the plant.
a)
absorption
b)
diffusion
c)
osmosis
d)
transpiration
22.
People once believed that all planets and stars orbited around _____.
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
23.
25. As water passes into the air from leaves, more water comes in at the roots. This is an example of _____.
a)
absorption
b)
diffusion
c)
osmosis
d)
transpiration
24.
Which statement is true?
a)
Cells come in different shapes, but are all about the same size—very, very small.
b)
Cells come in different shapes and sizes.
c)
Cells all have the same shape, but come in different sizes.
d)
Cells are all the same shape and size—small and rounded.
25.
A sequence of star colors from hottest to coolest is _____.
a)
blue, yellow, orange, red
b)
red, orange, yellow, blue
c)
blue, red, yellow, orange
d)
yellow, blue, orange, red
26.
The angiosperm seed develops in the _____.
a)
ovary
b)
petal
c)
pistil
d)
stamen
27.
A galaxy that has a shape similar to a football is a(n) _____ galaxy.
a)
normal spiral
b)
barred spiral
c)
elliptical
d)
irregular
28.
Which of the following is NOT a characteristic of animals?
a)
made of many cells
b)
digest their food
c)
make their own food
d)
have cells with a nucleus and organelles
29.
The outer planets are mainly composed of which of the following?
a)
rock and gas
b)
gas and ice
c)
ice and metal
d)
rock and metal
30.
Behavioral adaptations include _____.
a)
instinctive behavior
b)
learned behavior
c)
both a and b
d)
neither a nor b
31.
Which of the following animals had bilateral symmetry?
a)
a
b)
b
c)
c
d)
d
32.
Which of the following provide(s) a habitat for living things?
a)
soil
b)
cave
c)
human intestines
d)
all of the above
33.
What is the least common structural system for an invertebrate?
a)
endoskeleteon
b)
exoskeleton
c)
hydrostatic skeleton
d)
invertebrates have no structural system
34.
A planarian is an example of a ____ flatworm.
a)
parasitic
b)
mutualistic
c)
free-living
d)
none of the above
35.
The processes of the rock cycle take place in which location?
a)
deep inside the geosphere
b)
in the atmosphere
c)
on Earth’s surface
d)
both a and c
36.
If you were studying the amount of pollution in a certain volume of air, which of Earth’s systems are you studying?
a)
atmosphere
b)
biosphere
c)
geosphere
d)
hydrosphere
37.
38. Most organisms _____.
a)
are able to live in any environment
b)
can only live in a few habitats
c)
live on the surface of Earth
d)
need warm weather to live
38.
What is the beginning of the water cycle?
a)
ground water
b)
water vapor in the atmosphere
c)
oceans
d)
none of these
39.
Which statement is true?
a)
Melted rock under the surface is called lava.
b)
Melted rock under the surface is called magma.
c)
Melted rock on Earth’s surface is called magma.
d)
Magma is the correct scientific term for melted rock regardless of where it exists.
40.
An adaptation _____.
a)
is an inherited trait
b)
increases a species chances of surviving
c)
increases a species chances of reproducing
d)
all of the above
41.
Which of the following statements is false?
a)
Echinoderms have early growth patterns similar to humans.
b)
Echinoderms are soft.
c)
Echinoderms live only in salt water.
d)
Water moving back and forth through canals and tube feet allow echinoderms to grasp and release surfaces.
42.
45. A lunar eclipse can only occur during which type of moon phase?
a)
first quarter moon
b)
full moon
c)
new moon
d)
third quarter moon
43.
Through _____, plants can release water vapor as a method of cooling.
a)
absorption
b)
diffusion
c)
osmosis
d)
transpiration
44.
Which of the following is a reaction to an internal stimulus?
a)
fruit ripening
b)
gravity
c)
light
d)
touch
45.
Which gives the correct order of development for animals?
a)
egg and sperm, zygote, embryo
b)
egg and sperm, embryo, zygote
c)
zygote, egg and sperm, embryo
d)
zygote, embryo, egg and sperm
46.
The orbits of _____ lie closer to the Sun than does Earth's orbit.
a)
Mercury and Mars
b)
Mercury and Venus
c)
Mars and Venus
d)
Jupiter and Mercury
47.
Which of the following is NOT a necessary characteristic of a living thing?
a)
Living things are made of cells.
b)
Living things eat.
c)
Living things grow and develop.
d)
Living things reproduce.
48.
Cnidarians use their ____ to stun food organisms.
a)
tentacles
b)
stinging cells
c)
polyps
d)
jellyfish
49.
Which of the following is a member of the phylum Cnidaria?
a)
sponges
b)
ants
c)
nails
d)
jellyfish
50.
Groups of cells that work together to perform a certain function are called _____.
a)
organisms
b)
tissues
tissues
c)
organs
organs
d)
organ system
organ system
51.
Of the following, which is not an example of a seed plant?
a)
peanuts
b)
peat moss
c)
oranges
d)
wheat
52.
Which type of cell has the biggest vacuoles?
a)
animals
b)
plant
c)
bacteria
d)
they are all about the same size
53.
The hottest stars in space at_____________ in color.
a)
yellow
b)
red
c)
blue
d)
white
54.
Pluto is considered a___________ planet.
a)
large
b)
dwarf
c)
small
d)
huge
55.
The group larger than an Order but smaller than a Kingdom is ______________.
a)
Delpinidae
b)
Family
c)
Phylum
d)
Tursiops
56.
The green color of tree leaves is due to green light reflected from ___________.
a)
auxins
b)
carbon dixoide
c)
chlorophyll
d)
gibberellins
57.
Where do chemoautrophs get their energy?
a)
food
b)
solar power
c)
chemical reactions
d)
eating heterotrophs
58.
Photosynthesis is the process in which plants use energy from light to produce ________.
a)
new cells
b)
organelles
c)
food
d)
none of the above
59.
which type of rock is formed through the process of compaction and cementation?
a)
igneous
b)
metamoorphic
c)
sedimentary
d)
all of the above
60.
which of the following is NOT a characteristic of a mineral?
a)
inroganic
b)
solid
c)
man-made
d)
cystral structure
61.
Which of the Following is NOT an example of asexual reproduction?
a)
leaf is planted in soil
b)
pollen joins with a seed
c)
stem is put in water to produce roots
d)
roots are split to increase growth
62.
Which gas is represents 78% of the gas which is in the atmosphere?
a)
oxygen
b)
nitrogen
c)
hydrogen
d)
carbon dioxide
63.
What characteristic do animals and plants share?
a)
nerve cells
b)
collagen
c)
cell walls
d)
multicellular construction
64.
Which of the following is NOT involved in photosynthesis or respiration?
a)
water
b)
carbon dioxide
c)
chlorophyll
d)
cytokinins
65.
Plants on a windowsill should be rotated periodically so that they grow straight. this is because of _____.
a)
gravitropism
b)
maltropism
c)
phototropism
d)
thigmotropism
66.
All organisms need _______to survive
a)
food, place to live, sunlight
b)
food, place to live, water
c)
food, water, sunlight
d)
place to live, sunlight, water
67.
This planet has no true atmosphere.
a)
Mars
b)
Saturn
c)
Jupiter
d)
Mercury
68.
Mercury is the ________ planet from the Sun.
a)
4th
b)
3rd
c)
2nd
d)
1st
69.
The longest day if the year in the northern hemisphere is the ________.
a)
autumnal equinox
b)
spring equinox
c)
summer solstice
d)
winter solstice
70.
Which is NOT a characeteristic of animals?
a)
they have nerve cells
b)
they have cell walls
c)
they get eergy from food
d)
they begin as a fertilized egg called a zygote
71.
A vertebrate is defined as having a(n) ___________.
a)
brain
b)
nervous system
c)
anterior end
d)
backbone
72.
The phase of the Moon that immediately precedes the new Moon is the ________.
a)
waxing crescent
b)
first quarter
c)
waning cresent
d)
third quarter
73.
Our Sun is NOT _______.
a)
a part of a binary sytsem
b)
a main sequence star
c)
in a galaxy
d)
a medium hot star
74.
Nonvascular plants include _________.
a)
ferns and horsetails
b)
horsetails and mosses
c)
liverworts and ferns
d)
mosses and liverworts
75.
Respiration is the process in which organisms break down food to release________.
a)
energy
b)
nutrients
c)
sugar
d)
oxygen
76.
Roots have all of the following EXCEPT to ________.
a)
anchor the plant
b)
absorb water
c)
store food
d)
make food
77.
Which of the following statements is true?
a)
all mollusks have external shells
b)
all mollusks have a mantle
c)
all mollusks have a foot-like muscle
d)
mollusks have radial symmetry
78.
If two organism have the same genus, the y are ________.
a)
cetacean
b)
dolphins
c)
related
d)
salamanders
79.
___________ transports materials within a cell and between cells.
a)
fast
b)
protein
c)
sugar
d)
water
80.
Moss plants are held in place by threadlike structure called _______.
a)
dicots
b)
rhizoids
c)
guard cells
d)
vascular tissue
81.
Although Mercury is closer to the Sun, why does Venus have a hotter temperature.?
a)
energy from the Sun is trapped by the clouds and CO2 in Venus's atmosphere
b)
energy from the Sun does not penerate Mercury's atmosphere
c)
Mercury is ma de entirely of ice
d)
Venus creates its own heat
82.
A giraffe's long neck would be considered which type of adaptation?
a)
structural
b)
behavioral
c)
functional
d)
environmental
83.
Which of the following do organisms use for energy?
a)
food
b)
solar energy
c)
chemical reactions
d)
all of the above
84.
All of the following are commonly found in both animal cells and plant cells EXCEPT _________.
a)
chlotoplasts
b)
mitochrondrai
c)
nucleus
d)
riosomes
85.
Which of the inner plants have atmospheres made up of mostly carbon dioxide?
a)
Earth
b)
Venus
c)
Mars
d)
both b and c are correct
86.
The order of the inner planets outward from the sun is ________.
a)
Mercury, Earth, Venus, Mars
b)
Mercury, Venus, Earth, Mars
c)
Mars, Venus, Earth, Mercury
d)
Earth, Venus, MArs, Mercury
87.
Water is a waste product of _______.
a)
absorption
b)
cellular respiration
c)
photosynthesis
d)
transpiration
88.
Thomas was comparing the amount of salt dissolved in ocean water to the amount dissolved in water from the Great Salt Lake in Utah. Which Earth system is Thomas interested in?
a)
atmosphere
b)
biosphere
c)
geosphere
d)
hydrosphere
89.
Stems have all of these functions EXCEPT _______.
a)
storing food and water
b)
absorbing soil nutrients
c)
supporting the plant
d)
moving materials between leaves and roots
90.
The spiral shape of the Milky Way Galaxy CANNOT be seen from Earth because __________.
a)
we are located above the galaxy
b)
we are located within one of its spiral arms
c)
our view is blocked by the Sun
d)
none of the above
91.
Where do most interactions between the three non-living Earth systems occur?
a)
above Earth's surface
b)
on Earth's surface
c)
below Earth's surface
d)
the systems do not interact
92.
Planets formed from _____ left over from the formation of the Sun at the center of the cloud.
a)
gravel
b)
gas, ice, and dust
c)
solar wind
d)
asteriods
93.
How do substances get in and out of a cell?
a)
they move through holes in the ell membrane
b)
they are transported by proteins
c)
they are transported by RNA
d)
they do not move in and out of cells
94.
What is a habitat?
a)
a specific environment where an organisms lives
b)
a man-made shelter for animals
c)
a place that the weather does not effect where animals can go to be dry and warm
d)
the source of energy an organism uses
95.
The smallest unit of life is the _____.
a)
cell
b)
homeostasis
c)
organism
d)
protein
96.
Besides storage, what does a vacuole provide in a plant cell?
a)
energy
b)
protein production
c)
structure
d)
communication with other cells
97.
What sort of rock is formed when existing rocks are subject to high temperatures and pressure?
a)
igneous
b)
metamorphic
c)
sedimentary
d)
none of the above
98.
_____ causes roots to grow down.
a)
Gravitropism
b)
Maltropism
c)
Phototropism
d)
Thigmotropism
99.
Two stars orbit each other in a(n) _____ star system
a)
binary
b)
closed
c)
single
d)
individual
100.
Which of the following organisms can reproduce both sexually and asexually?
a)
bacteria
b)
ladybugs
c)
mammals
d)
yeast
101.
A monkey using a twig to fish for ants in an anthill would be considered which type of adaptation?
a)
structural
b)
behavioral
c)
environmental
d)
environmental
102.
A change in the environment is a _____.
a)
stimulus
b)
response
c)
process
d)
nerve cell
103.
Which of Earth’s systems contains pine trees?
a)
atmosphere
b)
biosphere
c)
geosphere
d)
hydrosphere
104.
Where is the ozone layer found?
a)
stratosphere
b)
mesosphere
c)
exosphere
d)
thermosphere
105.
Which of Earth’s systems includes rock?
a)
atmosphere
b)
biosphere
c)
geosphere
d)
hydrosphere
106.
An air mass that formed over a tropical ocean would produce which type of air?
a)
cool, moist air
b)
cool, dry air
c)
warm, moist air
d)
warm, dry air
107.
The scientific name for a lion is Panthera leo. The scientific name for a tiger is Panthera tigris. Lions and tigers belong to the same _____.
a)
family
b)
genera
c)
species
d)
a and b
108.
Which of the inner planets has no atmosphere?
a)
Mercury
b)
Venus
c)
Mars
d)
Earth
109.
Water vapor is released by plants through their leaves. This process is called _____.
a)
transpiration
b)
respiration
c)
evaporation
d)
photosynthesis
110.
Summer occurs on the hemisphere of Earth that is _____.
a)
turned away from the Sun
b)
tilted toward the Sun
c)
tilted away from the Sun
d)
turned toward the Sun
111.
What happens to the atmosphere as you move from space toward Earth’s surface?
a)
It becomes thinner.
b)
tilted toward the Sun
c)
It becomes steadily warmer.
d)
turned toward the Sun
112.
What do centipedes and millipedes have in common?
a)
They have many segments and appendages.
b)
They both have one pair of appendages per segment.
c)
They both eat dead plants. They are both predators.
d)
They both eat dead plants.
113.
When water evaporates, it enters the _____.
a)
atmosphere
b)
biosphere
c)
geosphere
d)
hydrosphere
114.
In nonvascular plants, water passes through membranes by _____.
a)
evaporation
b)
evaporation
c)
osmosis
d)
transpiration
115.
Which of the following is a reaction to an external stimulus?
a)
fruit ripening
b)
growth
c)
light
d)
seed germination
116.
What do eukaryotic cells have that prokaryotic cells do not have?
a)
nucleus
b)
cell membrane
c)
water
d)
DNA
117.
What is wind caused by?
a)
the differences in sea level
b)
the differences in humidity
c)
the revolution of Earth around the Sun
d)
the differences in air pressure
118.
Plant roots can grow around a rock in the soil. This is an example of _____.
a)
gravitropism
b)
maltropism
c)
phototropism
d)
thigmotropism
119.
Water enters plants through the _____.
a)
surface of leaves
b)
roots
c)
tips of the stems
d)
stomata
120.
Weathering occurs when which of the following occurs?
a)
Rocks are broken down into sediments.
b)
Sediment is carried away by water.
c)
Sediments are dropped from the agents of erosion.
d)
all of the above
121.
The seasons are caused by ___________.
a)
the position of Earth’s tilt relative to the Sun
b)
the distance Earth is from the Sun
c)
the shape of Earth’s orbit
d)
the tides of the ocean
122.
Scientists call insects _____ because they have six legs.
a)
quadropods
b)
pentapods
c)
Option 3 (optional)hexapods
d)
octopods
123.
Which of the following objects are not massive enough to be planets and share their orbits with other objects of similar size?
a)
asteroids
b)
comets
c)
dwarf planets
d)
moons
124.
Which of the following is NOT one of the four systems into which scientists divide Earth?
a)
geosphere
b)
hydrosphere
c)
hemisphere
d)
biosphere
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