Worksheets7th Grade Science Final Exam Review
Total questions: 97
Worksheet time: 3hrs 15mins
Which of the following is NOT an SI/Metric Unit of Measurement?
meter
gram
inch
liter
The car was traveling 65 mph North.
(deals with both speed and direction)
Speed
Velocity
Acceleration
None of the Above
_______ = Distance/Time
Speed
Average Speed
Velocity
None of the Above
Refers to a tendance to do nothing or remain unchanged
Momentum
Friction
Gravity
Inertia
The basic building blocks of heredity are:
Genes
Alleles
Traits
Genetics
Which Law of Motion does the statement below refer to?
For Every Action, There Is An Equal And Opposite Reaction.
First Law
Second Law
Third Law
This type of FRICTION occurs when an object is still:
Rolling
Fluid
Sliding
Static
What is a Punnett Square?
A square that shows the phenotype
A square that shows the genotype
A square that shows possible outcomes
All of the Above
Which of the following represents a heterozygous genotype?
DD
Dd
Brown eyes
Blue eyes
What is an Allele?
A chromosome
A genetic disorder
A different type of gene
A hybrid of genes
An organism is ___________________________ if it has both a dominant and recessive allele.
Heterozygous
Homozygous
Dominant
Recessive
The FORMULA for FORCE:
Force/Mass
Mass x Acceleration
Distance/Time
Mass x Velocity
The force that acts between objects that touch as they move past each other describes:
Mass
Net Force
Friction
Weight
What is the condition in which an organism’s internal environment is kept stable in spite of changes in outside environment?
Osteoporosis
Leukemia
Hypertension
Homeostasis
Which of the following is NOT a part of the cardiovascular system?
heart
lungs
arteries
capillaries
Which one of Newton's Laws does the picture illustrate?
First Law of Motion
Second Law of Motion
Third Law of Motion
Both A and C
Which one of Newton's Laws does the picture illustrate?
First Law of Motion
Second Law of Motion
Third Law of Motion
Both A and B
Which one of Newton's Laws does the picture illustrate?
First Law of Motion
Second Law of Motion
Third Law of Motion
All of the above
When irregularities of one surface come into contact with those of another surface, __________________ occurs.
gravity
friction
mass
weight
What is the SI Unit for distance?
rise/run
foot
yard
meter
What quantity can you calculate if you know that a car travels 30 kilometers in 20 minutes?
average speed
direction
velocity
instantaneous speed
A change in position with respect to a reference point is:
motion
velocity
rise/run
slope
In science, acceleration refers to increasing speed, decreasing speed, or changing direction.
True
False
Two objects traveling at the same speed have different velocities if they...
start at different times
travel different distances
have different masses
move in different directions
They are part of the immune system and destroy infectious agents called pathogens.
Platelets
Red blood cells
White blood cells
None of the above
A ferris wheel turning at a constant speed of 5 m/s is not accelerating.
True
False
When you pull on a window shade, you exert a(n) _________
motion
force
newtons
acceleration
The NET FORCE determines how and if an object will ___________.
move or accelerate
weigh and fall
break
speed up or stop
A manatee moving its tail in the water is an example of:
Static friction
Rolling friction
Fluid friction
Sliding Friction
The wheels of a skateboard, in motion, is an example of:
Static friction
Rolling friction
Fluid friction
Sliding friction
_____________ is a force that pulls objects toward each other.
Gravity
Friction
Force
Strength
Voluntary muscles are______________________.
muscles that are NOT under your control
muscles that are under your control
Involuntary muscles are ___________________________.
muscles that are NOT under your control
muscles that are under your control
Which of the following is NOT a muscle?
cardiac
smooth
ligament
skeletal
A _______________________ is a flexible, strong tissue that attaches muscles to a bone.
joint
ligament
tendon
cartilage
This involuntary muscle is found in the heart:
smooth
rough
skeletal
cardiac
This involuntary muscle can be seen in the stomach, an organ that is used to digest food:
smooth
rough
skeletal
cardiac
Which is an example of a voluntary muscle?
stomach
intestine
biceps
heart
What is the name of the system that supports your body and provides structure?
skeletal system
muscular system
What is the "cushion" between bones called?
ligament
tendon
cartilage
joint
Muscles work in pairs. One muscle ___________ while the other muscle ___________.
loosens, releases
contracts, tightens
contracts, relaxes
lengthens, relaxes
Which is a disease caused by bones becoming weak?
Fibromyalgia
Osteoporosis
Muscular Dystrophy
This is a joint that is found in your wrists and ankles:
hinge
gliding
pivot
saddle
This joint can be found at your elbow and knee:
hinge
gliding
pivot
saddle
Which term means the soft inside material of the bone?
periosteum
botulism
cartilage
marrow
These are the places where your body can move or bend.
tendons
joints
ligaments
cartilage
The ___________________ system is made up of bones and connective tissue.
skeletal
muscular
What does a muscle do when it contracts?
loosen
tighten
tear
release
___________ bones contain minerals that give bones strength.
compact
spongy
ligament
tendon
An example of a pivot joint is the__________________.
wrist
shoulder
elbow
neck
What refers to the 26 bones that make up the backbone?
cartilage
vertebrae
ligaments
skeleton
Skeletal muscle and cardiac muscle are sometimes referred to as __________________________ because of their banded appearance.
smooth
compact
striated
rough
___________________ bone has small spaces within it, making it lightweight but still strong.
compact
skeleton
spongy
marrow
A _________ allele is hidden in the presence of a dominant allele.
Random
Dominant
Recessive
Hybrid
_____________________ is an example of phenotype.
BBbAaa
Chromosome
DNA
Blue eyes
When two equal forces act on an object this is know as:
An unbalanced force
A balanced force
This individual studied the inheritance of 7 different traits in pea plants.
Sir Issac Newton
Gregor Mendel
Michael Padilla
Albert Einstein
An organism's '2 letter'______________________ is its genetic make up.
Genotype
Phenotype
DNA
Codominance
Which of the following represents a heterozygous genotype?
YY
Yy
yy
An organism's physical appearance is known as its:
Genotype
Phenotype
DNA
Codominance
What is the probability that an offspring from the cross above has the genotype Rr?
25%
50%
75%
100%
Which answer belongs in the blank?
AA
Aa
aa
aaa
What two measurements are needed to calculate the average speed of an object?
distance and time
speed and time
velocity and average speed
density and time
Traits that are the same generation after generation are known as:
chromosome
DNA
hybrid
purebred
The epithelial tissue that covers the inside and outside surfaces of the body.
True
False
How is the strength of a force is measured as an SI unit?
Meters per second
Inch
Newton
Weight
Mendel's experiments showed that the traits of an offspring were not a blend of the characteristics of parents.
True
False
Capital letters are used to represent a dominant allele.
True
False
A seed can be round or wrinkled. Seed shape is:
a trait
an allele
a factor
a gene
This occurs when both alleles for a gene are expressed equally.
multiple alleles
polygenic inheritance
incomplete dominance
Codominance
This occurs when only one allele is partially dominant.
multiple alleles
polygenic inheritance
incomplete dominance
Codominance
Organs that work together are part of a(n) ________________________.
cells
tissue
organ system
This muscle tissue is only found in the heart.
Skeletal
Smooth
Cardiac
These are the muscles attached to your bones.
Skeletal
Smooth
Rough
Which of the following is not one of the four main types of tissues?
Blood
Connective
Epithelial
Nervous
What is the function of epithelial cells?
Protects the body and organs
Provide movement by pulling on bones
Act as the messaging pathway between different areas of the body
What is the correct order of organization?
cells->tissue->organs->organ systems-> organism
tissue->cells->organs->organ systems-> organism
organs->organ systems-> organism->cells->tissue
As organisms get more complex, cells become specialized to perform specific functions in the body. What is the function for the cell shown?
contract and shorten movement
provide coverage and protection
carry impulses around the body
connects parts together
The function of sneezing is to expel mucus containing foreign particles from the nasal cavity. A person sneezes when foreign particles pass through the nasal hair which triggers the release of chemical that activates body system causing sneezing. What body part is activated?
circulatory system
digestive system
nervous system
excretory system
Humans feel hungry when their empty stomachs contract and glucose levels in their body drop. Both of the situations stimulate neurons that send messages to the brain which are interpreted as hunger. What body systems are involved in this process as described?
digestive, muscular, integumentary, and respiratory
digestive, excretory, integumentary, and skeletal
circulatory, excretory, nervous, and skeletal
circulatory, digestive, muscular, and nervous
Which system is responsible for the overall control of all the internal processes that occur in the body?
muscular system
nervous system
digestive system
skeletal system
The muscles in the wall of the blood vessels contract or relax to vary the blood flow. Which body system regulates the contraction and relaxation of the muscles?
digestive system
excretory system
skeletal system
nervous system
Which muscle tissue would be responsible for chewing food?
Smooth
Skeletal
Cardiac
Vestibular
Which muscle tissue would be responsible for pumping blood to the lungs?
Smooth
Skeletal
Cardiac
Vestibular
What describes cardiac muscle?
striated, voluntary
striated, involuntary
nonstriated, voluntary
nonstriated, involuntary
The main job of the skeletal system is
to provide shape and support for the body while protecting our internal organs
to carry materials around and make our heart pump
to fight off disease by releasing white blood cells
