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EOY Review 16-17 Flashcards | StudBud
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EOY Review 16-17
EOY Review 16-17
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7th grade Science end of the year review #7thgradesciencefinalreviewtexas
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Plants respond to their environment in different ways. A plants response to external stimuli is
photsynthesis
a negative response
a positive behavior
a tropism
2
Which is an example of mechanical weathering?
rust forming on a bike
tree roots breaking apart a boulder
clay forming as feldspar breaks down
limestone dissolving to form a cave
3
Which organ system is responsible for regulating the concentrations of substances in the body.
circulatory system
lymphatic system
excretory system
digestive system
4
Which level of organization is shown in the picture?
organ
organ system
organism
tissue
5
A student sets up a model of the water cycle that includes a lamp. What does the lamp represent
evaporation
clouds
precipitation
radiant energy
6
The process of ecological succession will be complete when
the first population of plants move into the area
the ecosystem reaches equilibrium
the area can no longer support living things
another volcanic eruption occurs
7
Which best describes an advantage of sexual reproduction over asexual reproduction
sexual reporoduction creates uniformity
sexual reproduction increases the distribution of population
sexual reproduction produces many more offspring
sexual reproduction increases genetic variablity
8
Which rock layer providesthe best long-term storage of groundwater?
high porosity, high permeability
low porosity, low permeability
low porosity, high permeability
high porosity, low permeability
9
Which of the following formulas represents an organic compound?
C6H12O6
CaSO4
H2O
NaCl
10
Which of the following is responsible for deep canyons found in the high plains?
glacial erosion
biological weathering
wind erosion
water erosion
11
Which best describes how energy changes during photosynthesis?
thermal energy is converted into radiant energy
Chemical energy is converted to mechanical energy
radiant energy is converted into chemical energy
radiant energy is converted into heat energy
12
Which of the following exerts a force on blood in the body?
rigid walls in arteries
valves in the heart
relaxing heart muscles
contracting heart muscles
13
Heredity is the passage of genetic instructions
from one generation to another
from gene to chromosome
during asexual reproduction
from sex cells to zygote
14
Which organ breaks down food chemically and then absorbs the nutrients?
large intestine
liver
small intestine
stomach
15
Which of the following scenarios would require more work?
a man uses 5N to push a boulder 10M up a hill
a man uses 3N to push a boulder 5M up a hill
a man uses 10N to push a boulder 10M up a hill
a man uses 2N to push a boulder 7M up a hill
16
Plant cells are different from animal cells because plant cells have
cell walls
nuclei
cytoplasm
vacuoles
17
What must be true for work to be done?
the object must move in the same direction of the force
the object must accelerate so that it maintains its speed
the object must have a sizeable mass
the object must move in the direction opposite of the force
18
Mammals can maintain their own body heat using the food they eat. What is this an example of?
converting kinetic to thermal energy
converting kinetic to chemical energy
converting chemical to thermal energy
converting thermal to chemical energy
19
Which of the following is not one of the main components of the cell theory?
all cells must contain a nucleus
cells can only come from other cells
all living things are made of cells
cells are the basic unit of life
20
What has the greatest effect on how fast surface water seeps into the ground?
temperature
fertilizers applies to crops
permeability of the rock layer
time of day
21
Which part of this food web hold the highest amount of energy and why?
the hawk because it eats the most different types of animals
the bird because he is an omnivore
the bird because it eat herbivores
green plants because plants take their energy directly from
22
When man is exploring space, all of the following accommodations must be met except?
Oxygen
Food
Carbon Dioxide
Water
23
What process moves water from plants to the atmosphere?
transpiration
condensation
evaporation
inflitration
24
What organ systems removes waste from the body?
excrertory, respiratory, and digestive systems
excretory and nervous
immune, respiratory, and muscular systems
respiratory and circulatory systems
25
What is found in the nucleus and carries the inherited traits from parent to offspring
Genetic material
skin
nervous system
body cells
26
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
27
Which statement correctly identifies the cell type and explains why?
this is a plant cell; the evidence is chloroplasts
this is a plant cell; the evidence is the nucleus
this is an animal cell; the evidence is the nucleus
this is an animal cell; the evidence is the mitochondria
28
Which is an example of a situation where no work is being done?
a boy holding a box in his hands
a woman filling a box with old clothes
a man pushing a box up a ramp
a girl shoving a box of shoes under her bed
29
What is the process of choosing parent organisms for the traits that we want in an offspring?
selective breeding
active selection
reproductive selection
breeding selection
30
Which body system is involved in slow processes such as fluid balance, growth and development?
endocrine system
lymphatic system
reproductive system
integumentary system
