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Duplicate of EOY Review 14/15 Flashcards | StudBud
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Duplicate of EOY Review 14/15
Duplicate of EOY Review 14/15
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7th grade Science end of the year review
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Which of the following is responsible for deep canyons found in big bend?
glacial erosion
wind erosion
water erosion
biological weathering
2
Which statement correctly identifies the cell type and explains why?
this is an animal cell; the evidence is the mitochondria
this is an animal cell; the evidence is the nucleus
this is a plant cell; the evidence is the nucleus
this is a plant cell; the evidence is chloroplasts
3
A student sets up a model of the water cycle that includes a lamp. What does the lamp represent
precipitation
evaporation
clouds
radiant energy
4
What organ systems remove wastes from the body?
excretory and nervous
immune, respiratory, and muscular systems
excrertory, respiratory, and digestive systems
respiratory and circulatory systems
5
Which of the following scenarios would require more work?
a man uses 5N to push a boulder 10M up a hill
a man uses 2N to push a boulder 7M up a hill
a man uses 10N to push a boulder 10M up a hill
a man uses 3N to push a boulder 5M up a hill
6
Which organ breaks down food chemically and then absorbs the nutrients?
large intestine
small intestine
stomach
liver
7
Which organ system is responsible for regulating the concentrations of substances in the body.
digestive system
excretory system
circulatory system
lymphatic system
8
Which is an example of a situation where no work is being done?
a girl shoving a box of shoes under her bed
a man pushing a box up a ramp
a boy holding a box in his hands
a woman filling a box with old clothes
9
Which level of organization is shown in the picture?
tissue
organ system
organism
organ
10
During an experiment which of the following is the factor who change is measured or observed?
constant
control
independent variable
dependent variable
11
Which is an example of mechanical weathering?
clay forming as feldspar breaks down
limestone dissolving to form a cave
rust forming on a bike
tree roots breaking apart a boulder
12
Which of the following formulas represents an organic compound?
NO3
H2O2
H2O
C3H7NO2
13
Heredity is the passage of genetic instructions
during asexual reproduction
from gene to chromosome
from one generation to another
from sex cells to zygote
14
Which advertising claim is correct for using a ramp to load moving trucks?
it takes no work to move boxes up the ramp
it takes less work to puch boxes up the ramp than to lift
using the ramp is using less force than lifting
use the ramp to move boxes with no force
15
Which statement best describes homeostasis?
it is a characteristic of mammals
it only involves responses to internal stimuli
it keeps internal conditions within the range for survival
it is harmful to living things
16
Mammals can maintain their own body heat using the food they eat. What is this an example of?
converting chemical to thermal energy
converting kinetic to chemical energy
converting kinetic to thermal energy
converting thermal to chemical energy
17
The process of ecological succession will be complete when
another volcanic eruption occurs
the ecosystem reaches equilibrium
the area can no longer support living things
the first population of plants move into the area
18
Which is an example of a response that is triggered by an internal stimulus?
yawning late at night
feeling hungry upon seeing a television commercial for food
the pupil of the eye closing in bright light
pulling a hand away from a hot stove
19
What type of relationship occurs between an ecosystems biodiversity and its sustainability?
increasing biodiversity and decreasing sustainability
decreasing biodiversity and increasing sustainability
increasing biodiversity and unchanging sustainanility
increasing biodiversity and increasing sustainability
20
Which best describes an advantage of sexual reproduction over asexual reproduction
sexual reproduction increases genetic variablity
sexual reproduction increases the distribution of population
sexual reproduction produces many more offspring
sexual reporoduction creates uniformity
21
Which of the following exerts a force on blood in the body?
relaxing heart muscles
contracting heart muscles
valves in the heart
rigid walls in arteries
22
Which of the following is the factor that is manipulated during an experiment?
independent variable
hypothesis
dependent variable
constant
23
Plant cells are different from animal cells because plant cells have
cell walls
vacuoles
cytoplasm
nuclei
24
A featured shared by streams and groundwater in a watershed is
they all have the same pH
they all drain into the same river, lake or bay
they all have the same salinity
they all have the same temperature
25
Which of these units is used to measure work?
watts
joules
newtons
horsepower
26
What has the greatest effect on the rate at which the surface water seeps into the ground?
permeability of the rock layer
temperature
time of day
fertilizers applies to crops
27
Which part of this food web hold the highest amount of energy and why?
the bird because he is an omnivore
the hawk because it eats the most different types of animals
green plants because plants take their energy directly from
the bird because it eat herbivores
28
What are factors that are kept the same called?
dependent variables
independent variable
hypothesis
controls
29
A species of birds in a meadow loose their food source. How can the birds avoid extinction?
quit reproducing so that there is more food
mate with another species that eats different food
stay in the same area and adapt to eating available food
increase their reproduction so their population remains high
30
What must be true for work to be done?
the object must have a sizeable mass
the object must move in the direction opposite of the force
the object must accelerate so that it maintains its speed
the object must move in the same direction of the force
31
Which best describes how energy changes during photosynthesis?
Chemical energy is converted to mechanical energy
radiant energy is converted into chemical energy
thermal energy is converted into radiant energy
radiant energy is converted into heat energy
32
Which body system is involved in slow processes such as fluid balance, growth and development?
endocrine system
lymphatic system
reproductive system
integumentary system
33
What is the process of choosing parent organisms for the traits that we want in an offspring?
reproductive selection
active selection
breeding selection
selective breeding
34
What is found in the nucleus and carries the inherited traits from parent to offspring
body cells
nervous system
skin
Genetic material
35
Plants respond to their environment in different ways. A plants response to external stimuli is
a positive behavior
photsynthesis
a tropism
a negative response
