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Benchmark Review for 7th Grade Flashcards | StudBud
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Benchmark Review for 7th Grade
Benchmark Review for 7th Grade
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1
Which statement best describes the development of a human embryo?
All the cells have the same function
Many cells combine to form one cell
Each cell has a different function
A single cell becomes many cells
2
Which organ system in vertebrates is similar in function to the flower shown?
The respiratory system
The reproductive system
The skeletal system
The circulatory system
3
Which best describes 2 organ systems working together to help maintain homeostasis?
bones & muscles of the hand work together to grip a pencil
The nerves carry signals from the eye to the brain
The reproductive organs produce sex cells
muscles of chest tighten to push carbon dioxide out of lungs
4
What does this type of house indicate about the area in which it is located?
Earthquakes occur in the area
Floods occur in the area
The soil stays frozen in the area
The soil is unstable in the area
5
Which method could be used to separate a solution of table salt?
settling
filtration
mixing
evaporation
6
Which process in plants is most similar to sexual reproduction in vertebrates?
seed development
cross-pollination
cell division
self-pollination
7
How can a student best model the night and day cycle by using the items in the picture below?
turn the bulb on and off
move the globe in a circle around the bulb
move the bulb in a circle around the globe
spin the globe on its axis
8
Which human body system forms a barrier between internal body structures & external environment
digestive
circulatory
integumentary
nervous
9
Different contents in beakers; which selection would indicate that a beaker contains a mixture?
The original substances had different densities
The contents of the beaker reacted to form a new substance
Contents can be easily separated into original substances
original substances had greater mass than contents of beaker
10
Which set of numbers best represents the mean and the range for the plant heights (cm)?
mean: 20; range: 10
mean: 15, range: 25
mean: 10, range: 20
mean: 25; range: 15
11
Soccer players use their muscle systems to kick a ball into a goal. Which organ system is used?
The endocrine system
The circulatory system
The respiratory system
The nervous system
12
Esophagus, stomach, kidney, intestines are organs that are in the __________ system.
Integumentary System
Circulatory System
Muscular system
Digestive System
13
Which substance contributes most to the greenhouse effect?
nuclear radiation
carbon dioxide
wood smoke
nitrous oxides
14
Based on Newton's first law of motion, what is the best conclusion?
There must have been an outside force acting on the ball
The ball must have been going slightly uphill
An object in motion eventually stops
The ball did not have enough mass to keep going
15
transports materials to and from cells; transports oxygen, helps regulate body temperature
muscle system
respiratory system
circulatory system
skeletal system
16
How many chromosomes are in a human sperm cell?
12
58
46
23
17
How should the 1st and 2nd blanks be filled in to complete the Venn diagram below?
1st blank=Has a round shape; 2nd =many produced at same time
1st blank=Has a tail; 2nd blank=Has a round shape
1st=Only 1 produced at a time; 2nd=many produced at sametime
1st blank=Does not move very much; 2nd blank=Has a tail
18
List below gives some symptoms of people with the common cold. Which system is most affected?
Circulatory
Respiratory
Nervous
Digestive
19
Which choice is an example of renewable energy?
solar
windmills
all of the choices
hydroelectric
20
Which would provide evidence of seafloor spreading?
higher levels of salinity in the ocean water
stronger currents at the surface of the ocean
greater reproduction levels for organisms at bottom of ocean
cooled magma found on the edge of the plates
21
What is the best measure to use in determining the effect of solar energy on Earths atmosphere?
the temperature of the air
the amount of rainfall on a rainy day
the temperature of the ocean
the density of clouds in the sky
22
Which nongaseous compound can be made from 2 elements that are gases at room temperature?
iron oxide
table salt
water
carbon dioxide
23
In plants, which describes sexual reproduction but not asexual reproduction?
a fertilized egg cell divides to produce an embryo
new plants are grown from pieces of other plants
offspring are produced that have same genetic info as parent
Five limbs are grafted onto the same tree
24
Which is the best evidence that cell division is occurring constantly?
The body has to keep breathing around the clock
Active people often require more food than inactive ones
There are many different types of tissues in the human body
Human beings shed millions of dead skin cells each&every day
25
is a mode of reproduction by which offspring arise from a single organism
neither of these
asexual reproduction
sexual reproduction
26
What makes solar energy different from most other energy that people use?
It requires the most complicated technology
supply of solar energy will not change for billions of yrs.
The supply causes it to be the cheapest kind of energy
It involves the most dangerous equipment
27
Which is a reason for Arkansas having multiple seasons?
Earth's distance from the Sun
the tilt of Earth's axis
the speed of Earth's orbit
Earth's gravitational pull toward the Moon
28
How many chromosomes are in a female ovary?
58
12
23
46
29
Which best describes the region of Earth thats highlighted as one of the major climate regions?
It is warm all year with high amounts of precipitation
It has extremely cold winters and cold summers
It has extremely cold winters and hot summers
It is hot all year with low amounts of precipitation
30
Which planet has the longest planetary year?
Earth
Neptune
Jupiter
Venus
31
Which describes the mixture often used of salt & water to clean contact lenses.
Salt is the solvent & water is the solute
salt is the solution and water is the solvent
Salt is the solute and water is the solvent
salt is the solvent and water is the solution
32
variables are regulated so that internal conditions remain stable and relatively constant
endocrine system
asexual reproduction
homeostasis
nervous system
33
How many total chromosomes are in a human fetus?
23
58
12
46
34
Who's gonna rock the benchmark tests?
EVERYONE!!!!
no one
a small number of you
some of you
35
Individual units shown in diagram were formed by the division of which of the following cells?
a fertilized egg
an unfertilized sperm
a fertilized sperm
an unfertilized egg
36
Which of the following components of air is a compound rather than an element?
Oxygen, O2
Argon, Ar
Water, H2O
Nitrogen, N2
37
Which is the best means of collecting data for this investigation in the picture below:
check each piece of bread for mold once a week
check the warm bread daily & cool bread once a week
check only the warm bread daily b/c cool bread is a control
check each piece of bread daily for mold
38
Read and answer the following:
the alveoli in the lungs
the cornea in the eye
the chambers in the heart
the salivary glands in the mouth
39
is the collection of glands that produce hormones that regulate metabolism and other aspects
skeletal system
endocrine system
respiratory system
excretory system
40
Which pair of instruments can be used to measure wind chill?
barometer and wind vane
anemometer and thermometer
thermometer and barometer
wind vane and anemometer
41
Which of the following describes 1 way the skeletal system interacts w/ the circulatory system
The skull supports the eyes in their sockets
Red blood cells carry oxygen to the bones
The skull protects the brain from injury
Red blood cells carry oxygen to the muscles
42
Which is an effect that cities have on the weather?
Small areas of open water cause fog to be more common
Small numbers of plants cause rain to fall more often
Large areas of pavement cause the temperature to be hotter
Large numbers of houses cause the wind to be stronger
43
Read and answer the following:
Atom
Acid
Compound
Element
44
If a species of bird stopped reproducing, which of these would happen?
This bird species would eventually disappear from nature
The bird's prey species would decrease in number
The food web that the bird belongs to would collapse
Trees where these birds build nests would grow taller
45
A wind turbine primarily uses which type of energy?
mechanical
chemical
nuclear
thermal
46
Historically, how has the compass been used?
for navigation
for mineral identification
to measure temperature
to predict weather
47
Read the following:
the Coriolis effect creating a low pressure area
a southward dip in the jet stream
a northward movement of the jet stream
the Coriolis effect creating a high pressure area
48
Fish breath oxygen thats in water where they swim; which best describes the oxygen fish breath?
the oxygen is a solute that is dissolved in the water
the oxygen is a solution that dissolves the water
the oxygen is a solvent that is dissolved in the water
the oxygen is a substance that dissolves the water
49
Read the following and choose the best answer:
a monsoon
a hurrican
a drought
a thunderstorm
50
Which question can most likely be determined through a scientific investigation?
which four types of bird feathers have the prettiest colors
who will be the winner of the next lottery
what football team will win the next game
what is the amount of light needed to grow tomatoes
