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Worksheets7th Grade Science
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
Which of the following is true about hurricanes?
a)
They are identified by long periods with no rain.
b)
They are considered hurricanes once they reach 65 mph.
c)
They are identified by columns of air twisting quickly.
d)
They start as tropical storms off the tip of Africa.
2.
Natural Selection is -
a)
a process in which certain traits are selected by humans and bred
b)
a process in which organisms who are genetically varied, live longer, compete better and reproduce more
c)
the process in which an animal's binomial nomenclature is selected to be the mascot for a certain national park
d)
the naming process for animals
3.
Which of the following is NOT part of cell theory?
a)
Cells are the basic unit of life.
b)
Everything is made up of 1 or more cells.
c)
All cells come from pre-existing cells.
d)
Every living thing is made up of 1 or more cells.
4.
Which of the following correctly matches the type of cell with its division process?
a)
somatic-meiosis
b)
gametes-mitosis
c)
somatic-mitosis
d)
gametes-mitochondria
5.
Which Texas ecoregion has the most rain?
a)
Trans Pecos
b)
Hill Country/ Edwards Plateau
c)
Gulf Coast Prairies and Marshes
d)
Piney Woods
6.
______is a coastal area where freshwater mixes with salt water.
a)
Estuary
b)
Coastal Ocean
c)
Wetland
d)
Coral Reef
7.
What are the levels of organism from smallest to largest?
a)
cell, tissue, organ, organism, organ system
b)
organism, organ system, organ, tissue, cell
c)
organism, organ system, organ, cell, tissue
d)
cell, tissue, organ, organ system, organism
8.
Which of the following cell organelles are specific ONLY TO PLANTS?
a)
Cell Wall, Chloroplast (chlorophyll), Water Vacuole
b)
Lysosomes, Endoplasmic Reticulum
c)
Chloroplast (chlorophyll), Water Vacuole
d)
DNA, Nucleus, Golgi
9.
Which of the following are organic compounds?
I. CO2
II. CH4
III. CaSO4
IV. H2O
V.Cr2O3
I. CO2
II. CH4
III. CaSO4
IV. H2O
V.Cr2O3
a)
I and II
b)
I, II, IV
c)
All of the Above
d)
None of the Above
10.
Which correctly matches the term of symbiosis to the definition?
a)
parasitism- both organisms benefit
b)
commensalism-one organism benefits and the other is not affected
c)
mutualism- one organism benefits and the other is not effected
d)
parasitism- both organisms are harmed
11.
How is urea removed?
a)
Urination
b)
Sweat
c)
All of the Above
d)
None of the Above
12.
Dichotomous keys are _____.
Cladograms are____.
Cladograms are____.
a)
branched diagram that shows the relationships between organisms; a path of descriptions that lead the user to the identity of an organism
b)
a path of descriptions that lead the user to the identity of an organism; branched diagram that shows the relationships between organisms
c)
a path of descriptions that lead the user to the identity of an organism; the technical term for an organism that has the genus and the species
d)
branched diagram that shows the relationships between organisms; the technical term for an organism that has a genus and a species
13.
A stimulus is____.
a)
a reaction to an object
b)
something that causes a reaction in an organism
c)
an automatic response from an organism
d)
a reaction to a loud sound
14.
Which of the following correctly matches the term to the definition?
a)
weathering-breaking down
erosion-placing down
deposition-transporting
erosion-placing down
deposition-transporting
b)
weathering-different types of rain
erosion- transporting
deposition- breaking down
erosion- transporting
deposition- breaking down
c)
weathering-placing down
erosion- breaking down
deposition-transporting
erosion- breaking down
deposition-transporting
d)
weathering-breaking down
erosion-transporting
deposition- placing down
erosion-transporting
deposition- placing down
15.
Earthquakes are caused by ___.
a)
hot and cold winds shearing, and twisting
b)
tectonic plates sliding
c)
molten rock spewing out of a mountain due to extreme pressure
d)
tectonic plates snapping in half
16.
The following match the correct tropism with the stimulus.
I. Phototropism-light
II. Geotropsim-minerals
III. Heliotropism-helium
IV. Thigmotropism-touch
I. Phototropism-light
II. Geotropsim-minerals
III. Heliotropism-helium
IV. Thigmotropism-touch
a)
I, III, IV
b)
I, IV
c)
All of the above
d)
None of the Above
17.
The main purpose of the DNA is _____.
a)
storing your phenotype
b)
looking cool
c)
reproduction
d)
i don't know
18.
TRUE OR FALSE: Heredity is the passing of genetic information from parent to offspring
a)
true
b)
false
19.
Which of the following shows the correct levels of organization, from smallest to largest?
a)
DNA, chromosome, gene, nucleus, cell
b)
DNA, gene, chromosome, nucleus, cell
c)
DNA, gene, nucleus, chromosome, cell
d)
Cell, nucleus, chromosome, gene, DNA
20.
Which biome covers 33% of the Earth, is cold at night, and low biodiversity?
a)
grassland
b)
tundra
c)
taiga
d)
desert
21.
What is the only ecoregion in Texas, that has the wine industry as one of the two top industries?
a)
Edward's Plateau (Hill Country)
b)
Trans-Pecos (Chihuahuan Desert)
c)
Piney Woods
d)
Gulf Coast Prairies and Marshes
22.
TRUE OR FALSE: The circulatory and the excretory systems are in charge of getting glucose to the cells.
If not, which systems.
If not, which systems.
a)
true
b)
false; circulatory and integumentary
c)
false; circulatory and digestive
d)
false; excretory and digestive
23.
Xylem is _____.
Pholem is _____.
They are both _____.
Pholem is _____.
They are both _____.
a)
tissue in plants that brings water from the roots to the leaves; tissue in plants that brings products of photosynthesis from the leaves to the parts that need it; behavioral adaptation
b)
tissue in plants that brings products of photosynthesis from the leaves to the parts that need it; vascular tissue in plants that brings water from the roots to the leaves; behavioral adaptation
c)
vascular tissue in plants that brings water from the roots to the leaves; vascular tissue in plants that brings products of photosynthesis from the leaves to the parts that need it; structural adaptation
d)
vascular tissue in plants that brings products of photosynthesis from the leaves to the parts that need it;vascular tissue in plants that brings water from the roots to the leaves; structural adaptation
24.
____ is known for earthquakes, volcanoes, tsunamis; 75% of the Earth’s volcanoes; area around the Pacific Ocean
a)
Ring of Volcanoes
b)
Ring of Fire
c)
Fire Ring
d)
Volcanic Ring
25.
The purpose of ribosomes is ____.
a)
creating proteins
b)
reproduction
c)
cellular respiration
d)
synthesizing proteins
26.
Which of the following correctly shows the order of scientific method?
a)
observation, question, research, hypothesis, experiment, data, conclusion
b)
question, research, observation, data, hypothesis, experiment
c)
observation, question, research, hypothesis, experiment, conclusion, data
d)
question, hypothesis, data, observation, experiment,
27.
Organisms that have one parent will:
I. be uniform
II. be diverse
I. be uniform
II. be diverse
a)
I
b)
II
c)
Both
d)
None
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