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7th Grade Science Final Exam Review

Total questions: 97

Worksheet time: 3hrs 15mins

Name
Class
Date
1.

Which of the following is NOT an SI/Metric Unit of Measurement?

a)

meter

b)

gram

c)

inch

d)

liter

2.

The car was traveling 65 mph North.

(deals with both speed and direction)

a)

Speed

b)

Velocity

c)

Acceleration

d)

None of the Above

3.

_______ = Distance/Time

a)

Speed

b)

Average Speed

c)

Velocity

d)

None of the Above

4.

Refers to a tendance to do nothing or remain unchanged

a)

Momentum

b)

Friction

c)

Gravity

d)

Inertia

5.

The basic building blocks of heredity are:

a)

Genes

b)

Alleles

c)

Traits

d)

Genetics

6.

Which Law of Motion does the statement below refer to?


For Every Action, There Is An Equal And Opposite Reaction.

a)

First Law

b)

Second Law

c)

Third Law

7.

This type of FRICTION occurs when an object is still:

a)

Rolling

b)

Fluid

c)

Sliding

d)

Static

8.

What is a Punnett Square?

a)

A square that shows the phenotype

b)

A square that shows the genotype

c)

A square that shows possible outcomes

d)

All of the Above

9.

Which of the following represents a heterozygous genotype?

a)

DD

b)

Dd

c)

Brown eyes

d)

Blue eyes

10.

What is an Allele?

a)

A chromosome

b)

A genetic disorder

c)

A different type of gene

d)

A hybrid of genes

11.

An organism is ___________________________ if it has both a dominant and recessive allele.

a)

Heterozygous

b)

Homozygous

c)

Dominant

d)

Recessive

12.

The FORMULA for FORCE:

a)

Force/Mass

b)

Mass x Acceleration

c)

Distance/Time

d)

Mass x Velocity

13.

The force that acts between objects that touch as they move past each other describes:

a)

Mass

b)

Net Force

c)

Friction

d)

Weight

14.

What is the condition in which an organism’s internal environment is kept stable in spite of changes in outside environment?

a)

Osteoporosis

b)

Leukemia

c)

Hypertension

d)

Homeostasis

15.

Which of the following is NOT a part of the cardiovascular system?

a)

heart

b)

lungs

c)

arteries

d)

capillaries

16.

Which one of Newton's Laws does the picture illustrate?

a)

First Law of Motion

b)

Second Law of Motion

c)

Third Law of Motion

d)

Both A and C

17.

Which one of Newton's Laws does the picture illustrate?

a)

First Law of Motion

b)

Second Law of Motion

c)

Third Law of Motion

d)

Both A and B

18.

Which one of Newton's Laws does the picture illustrate?

a)

First Law of Motion

b)

Second Law of Motion

c)

Third Law of Motion

d)

All of the above

19.

When irregularities of one surface come into contact with those of another surface, __________________ occurs.

a)

gravity

b)

friction

c)

mass

d)

weight

20.

What is the SI Unit for distance?

a)

rise/run

b)

foot

c)

yard

d)

meter

21.

What quantity can you calculate if you know that a car travels 30 kilometers in 20 minutes?

a)

average speed

b)

direction

c)

velocity

d)

instantaneous speed

22.

A change in position with respect to a reference point is:

a)

motion

b)

velocity

c)

rise/run

d)

slope

23.

In science, acceleration refers to increasing speed, decreasing speed, or changing direction.

a)

True

b)

False

24.

Two objects traveling at the same speed have different velocities if they...

a)

start at different times

b)

travel different distances

c)

have different masses

d)

move in different directions

25.

They are part of the immune system and destroy infectious agents called pathogens.

a)

Platelets

b)

Red blood cells

c)

White blood cells

d)

None of the above

26.

A ferris wheel turning at a constant speed of 5 m/s is not accelerating.

a)

True

b)

False

27.

When you pull on a window shade, you exert a(n) _________

a)

motion

b)

force

c)

newtons

d)

acceleration

28.

The NET FORCE determines how and if an object will ___________.

a)

move or accelerate

b)

weigh and fall

c)

break

d)

speed up or stop

29.

A manatee moving its tail in the water is an example of:

a)

Static friction

b)

Rolling friction

c)

Fluid friction

d)

Sliding Friction

30.

The wheels of a skateboard, in motion, is an example of:

a)

Static friction

b)

Rolling friction

c)

Fluid friction

d)

Sliding friction

31.

_____________ is a force that pulls objects toward each other.

a)

Gravity

b)

Friction

c)

Force

d)

Strength

32.

Voluntary muscles are______________________.

a)

muscles that are NOT under your control

b)

muscles that are under your control

33.

Involuntary muscles are ___________________________.

a)

muscles that are NOT under your control

b)

muscles that are under your control

34.

Which of the following is NOT a muscle?

a)

cardiac

b)

smooth

c)

ligament

d)

skeletal

35.

A _______________________ is a flexible, strong tissue that attaches muscles to a bone.

a)

joint

b)

ligament

c)

tendon

d)

cartilage

36.

This involuntary muscle is found in the heart:

a)

smooth

b)

rough

c)

skeletal

d)

cardiac

37.

This involuntary muscle can be seen in the stomach, an organ that is used to digest food:

a)

smooth

b)

rough

c)

skeletal

d)

cardiac

38.

Which is an example of a voluntary muscle?

a)

stomach

b)

intestine

c)

biceps

d)

heart

39.

What is the name of the system that supports your body and provides structure?

a)

skeletal system

b)

muscular system

40.

What is the "cushion" between bones called?

a)

ligament

b)

tendon

c)

cartilage

d)

joint

41.

Muscles work in pairs. One muscle ___________ while the other muscle ___________.

a)

loosens, releases

b)

contracts, tightens

c)

contracts, relaxes

d)

lengthens, relaxes

42.

Which is a disease caused by bones becoming weak?

a)

Fibromyalgia

b)

Osteoporosis

c)

Muscular Dystrophy

43.

This is a joint that is found in your wrists and ankles:

a)

hinge

b)

gliding

c)

pivot

d)

saddle

44.

This joint can be found at your elbow and knee:

a)

hinge

b)

gliding

c)

pivot

d)

saddle

45.

Which term means the soft inside material of the bone?

a)

periosteum

b)

botulism

c)

cartilage

d)

marrow

46.

These are the places where your body can move or bend.

a)

tendons

b)

joints

c)

ligaments

d)

cartilage

47.

The ___________________ system is made up of bones and connective tissue.

a)

skeletal

b)

muscular

48.

What does a muscle do when it contracts?

a)

loosen

b)

tighten

c)

tear

d)

release

49.

___________ bones contain minerals that give bones strength.

a)

compact

b)

spongy

c)

ligament

d)

tendon

50.

An example of a pivot joint is the__________________.

a)

wrist

b)

shoulder

c)

elbow

d)

neck

51.

What refers to the 26 bones that make up the backbone?

a)

cartilage

b)

vertebrae

c)

ligaments

d)

skeleton

52.

Skeletal muscle and cardiac muscle are sometimes referred to as __________________________ because of their banded appearance.

a)

smooth

b)

compact

c)

striated

d)

rough

53.

___________________ bone has small spaces within it, making it lightweight but still strong.

a)

compact

b)

skeleton

c)

spongy

d)

marrow

54.

A _________ allele is hidden in the presence of a dominant allele.

a)

Random

b)

Dominant

c)

Recessive

d)

Hybrid

55.

_____________________ is an example of phenotype.

a)

BBbAaa

b)

Chromosome

c)

DNA

d)

Blue eyes

56.

When two equal forces act on an object this is know as:

a)

An unbalanced force

b)

A balanced force

57.

This individual studied the inheritance of 7 different traits in pea plants.

a)

Sir Issac Newton

b)

Gregor Mendel

c)

Michael Padilla

d)

Albert Einstein

58.

An organism's '2 letter'______________________ is its genetic make up.

a)

Genotype

b)

Phenotype

c)

DNA

d)

Codominance

59.

Which of the following represents a heterozygous genotype?

a)

YY

b)

Yy

c)

yy

60.

An organism's physical appearance is known as its:

a)

Genotype

b)

Phenotype

c)

DNA

d)

Codominance

61.

What is the probability that an offspring from the cross above has the genotype Rr?

a)

25%

b)

50%

c)

75%

d)

100%

62.

Which answer belongs in the blank?

a)

AA

b)

Aa

c)

aa

d)

aaa

63.

What two measurements are needed to calculate the average speed of an object?

a)

distance and time

b)

speed and time

c)

velocity and average speed

d)

density and time

64.

Traits that are the same generation after generation are known as:

a)

chromosome

b)

DNA

c)

hybrid

d)

purebred

65.

The epithelial tissue that covers the inside and outside surfaces of the body.

a)

True

b)

False

66.

How is the strength of a force is measured as an SI unit?

a)

Meters per second

b)

Inch

c)

Newton

d)

Weight

67.

Mendel's experiments showed that the traits of an offspring were not a blend of the characteristics of parents.

a)

True

b)

False

68.

Capital letters are used to represent a dominant allele.

a)

True

b)

False

69.

A seed can be round or wrinkled. Seed shape is:

a)

a trait

b)

an allele

c)

a factor

d)

a gene

70.

This occurs when both alleles for a gene are expressed equally.

a)

multiple alleles

b)

polygenic inheritance

c)

incomplete dominance

d)

Codominance

71.

This occurs when only one allele is partially dominant.

a)

multiple alleles

b)

polygenic inheritance

c)

incomplete dominance

d)

Codominance

72.
Which muscle type is found in your stomach, bladder, and intestines?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
73.
Which types of muscle tissue are voluntary?
a)
Cardiac
b)
Skeletal
c)
Smooth
d)
Cardiac and Smooth
74.
Which muscles are involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
75.

Organs that work together are part of a(n) ________________________.

a)

cells

b)

tissue

c)

organ system

76.

This muscle tissue is only found in the heart.

a)

Skeletal

b)

Smooth

c)

Cardiac

77.

These are the muscles attached to your bones.

a)

Skeletal

b)

Smooth

c)

Rough

78.

Which of the following is not one of the four main types of tissues?

a)

Blood

b)

Connective

c)

Epithelial

d)

Nervous

79.

What is the function of epithelial cells?

a)

Protects the body and organs

b)

Provide movement by pulling on bones

c)

Act as the messaging pathway between different areas of the body

80.

What is the correct order of organization?

a)

cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

81.

As organisms get more complex, cells become specialized to perform specific functions in the body. What is the function for the cell shown?

a)

contract and shorten movement

b)

provide coverage and protection

c)

carry impulses around the body

d)

connects parts together

82.

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?

a)

circulatory system

b)

digestive system

c)

nervous system

d)

excretory system

83.

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?

a)

digestive, muscular, integumentary, and respiratory

b)

digestive, excretory, integumentary, and skeletal

c)

circulatory, excretory, nervous, and skeletal

d)

circulatory, digestive, muscular, and nervous

84.

Which system is responsible for the overall control of all the internal processes that occur in the body?

a)

muscular system

b)

nervous system

c)

digestive system

d)

skeletal system

85.

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?

a)

digestive system

b)

excretory system

c)

skeletal system

d)

nervous system

86.
This is the process of nutrients leaving your digestive system and moving into your blood, carrying nutrients to the rest of your body.  
a)
Absorption
b)
Acidification
c)
Digestion
d)
Nutrification
87.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
88.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)
remove urea and excess water
d)
play a role in gas exchange
89.
The major organ of the urinary system is the
a)
Gallbladder
b)
Ureter
c)
Kidney
d)
Nephrons
90.

Which muscle tissue would be responsible for chewing food?

a)

Smooth

b)

Skeletal

c)

Cardiac

d)

Vestibular

91.

Which muscle tissue would be responsible for pumping blood to the lungs?

a)

Smooth

b)

Skeletal

c)

Cardiac

d)

Vestibular

92.
___________ connects muscle to bone.
a)
ligaments
b)
tendon
c)
cartilage
93.
Smooth muscle is .........
a)
voluntary and striated in appearance
b)
voluntary and non-striated in appearance
c)
involuntary and striated in appearance
d)
involuntary and non-striated in appearance
94.
Tendons and ligaments are what type of tissue.
a)
Muscle
b)
Nerve
c)
Connective
d)
Epithelial
95.

What describes cardiac muscle?

a)

striated, voluntary

b)

striated, involuntary

c)

nonstriated, voluntary

d)

nonstriated, involuntary

96.

The main job of the skeletal system is

a)

to provide shape and support for the body while protecting our internal organs

b)

to carry materials around and make our heart pump

c)

to fight off disease by releasing white blood cells

97.
STRIATED MUSCLES ARE FOUND ONLY IN THE _____________ AND ____________ MUSCLES
a)
CARDIAC AND SKELETAL
b)
CARDIAC AND SMOOTH
c)
SMOOTH AND SKELETAL