Free Printable 7th Grade 2nd Semester Vocab.

1.

Big body of water flowing through land on either side

a)

erosion

b)

Earth

c)

sediment

d)

river

2.

Removal of weathered rock material

a)

gravity

b)

pressure

c)

erosion

d)

sediment

3.

Force that exists between any two objects that have mass

a)

sinkhole

b)

wind

c)

abrasion

d)

gravity

4.

3rd planet from the sun

a)

Mercury

b)

Earth

c)

Venus

d)

Neptune

5.

Pull or push that is applied to an object

a)

force

b)

bedrock

c)

abrasion

d)

glacier

6.

material , moved by wind and water, that settles

a)

bedrock

b)

sinkhole

c)

pressure

d)

sediment

7.

Layer of solid rock beneath the soil on Earth

a)

River

b)

bedrock

c)

soil

d)

abrasion

8.

Surface feature resulting from collapse of a cave

a)

glacier

b)

ice wedging

c)

sinkhole

d)

chemical weathering

9.

Force per unit area exerted on an object

a)

pressure

b)

abrasion

c)

wind

d)

force

10.

Mechanical weathering caused by scraping and scratching of rocks by loose particles

a)

force

b)

abrasion

c)

wind

d)

chemical weathering

11.

Movement of air due to atmospheric pressure

a)

pressure

b)

erosion

c)

wind

d)

glacier

12.

Changes to rocks and minerals by chemical reactions

a)

chemical weathering

b)

soil

c)

abrasion

d)

sediment

13.

Outer layer of Earth’s crust that plants can grow

a)

force

b)

bedrock

c)

soil

d)

sediment

14.

Large mass of ice resting on a land surface

a)

gravity

b)

river

c)

ice wedging

d)

glacier

15.

Mechanical weathering in which water gets into cracks, freezes and expand

a)

chemical weathering

b)

glacier

c)

ice wedging

d)

pressure

16.

kind of action of activity specific to a thing

a)

system

b)

function

c)

organ

d)

bone

17.

body system that permits movement

a)

tissue

b)

interact

c)

muscular system

d)

heart

18.

group of tissues that performs a complex function

a)

muscular system

b)

muscle

c)

tissue

d)

organ

19.

group of related objects that work together to perform a function

a)

function

b)

bone

c)

tissue

d)

system

20.

organ of the muscular system

a)

muscle

b)

system

c)

heart

d)

tissue

21.

group of cells that works together to carry out a particular task in an organism

a)

bone

b)

muscular system

c)

heart

d)

tissue

22.

to act on one another

a)

function

b)

organ

c)

bone

d)

interact

23.

muscular organ that pumps blood throughout the body

a)

lungs

b)

liver

c)

kidneys

d)

heart

24.

Process when chemical energy is released some as ATP

a)

tissue

b)

interact

c)

heart

d)

cellular respiration

25.

hard, white tissue forming the skeleton of vertebrates

a)

bone

b)

tissue

c)

interact

d)

heart

26.

Evolution adaptation in the Homo sapiens ancestral lineage

a)

human

b)

cell embryo

c)

male

d)

female

e)

fluid

27.

Basic unit of all living things

a)

human

b)

cell

c)

embryo

d)

gametes

e)

male

28.

Early stage in growth, made of a small number of cells and contained within protective structure

a)

cell

b)

embryo

c)

gametes

d)

male

e)

cycle

29.

Group of related objects that work together to perform a function

a)

human

b)

system

c)

male

d)

fluid

e)

parent

30.

Reproductive cells: egg or sperm

a)

egg

b)

sperm

c)

male

d)

gametes

e)

fluid

31.

Female reproductive cell

a)

male

b)

ovary

c)

organ

d)

growth

e)

egg

32.

belonging to the biological sex that produces sperm cells

a)

female

b)

fluid

c)

male

d)

system

e)

human

33.

belonging to the biological sex that produces egg cells

a)

female

b)

male

c)

fluid

d)

egg

e)

cycle

34.

Substance that can flow when pressure is applied

a)

parent

b)

offspring

c)

organ

d)

growth

e)

fluid

35.

Process in which two gametes form a new organism

a)

growth

b)

fertilization

c)

fluid

d)

sexual reproduction

e)

human

36.

Process by which plants and animals create offspring by combining genetic material

a)

organ

b)

parent

c)

ovary

d)

sexual reproduction

e)

asexual reproduction

37.

Process that repeats

a)

cycle

b)

ovary

c)

reproduce

d)

parent

e)

cell

38.

Female reproductive organ that produces eggs

a)

male

b)

cell

c)

gametes

d)

ovary

e)

sperm cell

39.

To make more of a species

a)

cycle

b)

system

c)

reproduce

d)

offspring

e)

parent

40.

new organism that is a product of reproduction

a)

parent

b)

ovary

c)

cycle

d)

mass

e)

offspring

41.

Organism from which younger organisms are obtained

a)

offspring

b)

sperm cell

c)

organ

d)

growth

e)

parent

42.

.male reproductive cell

a)

parent

b)

ovary

c)

egg

d)

organ

e)

sperm cell

43.

Group of tissues that performs a complex function

a)

human

b)

cell

c)

tissues

d)

organ

e)

growth

44.

Amount of matter in an object

a)

cell

b)

human

c)

mass

d)

fluid

e)

embryo

45.

Process of using energy and becoming larger

a)

ovary

b)

cycle

c)

female

d)

growth

e)

mass

46.

Durable, flexible material that is found in various places on the human body

a)

cartilage

b)

skeleton

c)

rib

d)

calcium

e)

ligament

47.

Network of solid materials that give an organism’s body its structure

a)

rib

b)

skull

c)

skeleton

d)

vertebrae

e)

backbone

48.

Organ of the skeletal system that helps protect heart,lungs, and other organs

a)

skeleton

b)

rib

c)

skull

d)

vertebrae

e)

backbone

49.

Structure of bone found in the heads of animals

a)

skeleton

b)

rib

c)

skull

d)

vertabrae

e)

backbone

50.

Individual bones that stack to form the backbone of an animal

a)

skeleton

b)

rib

c)

skull

d)

vertebrae

e)

backbone

51.

Column of bones that runs backs and protects the spinal cord

a)

skeleton

b)

rib

c)

skull

d)

vertebrae

e)

backbone

52.

Bundle of nerves that runs along the back of a vertebrate

a)

spinal cord

b)

calcium

c)

mineral

d)

characteristic

e)

lungs

53.

An element; humans need to build strong bones and teeth

a)

oxygen

b)

carbon

c)

hydrogen

d)

calcium

e)

potassium

54.

Natural, solid substance found in rocks

a)

calcium

b)

mineral

c)

characteristic

d)

oxygen

e)

carbon dioxide

55.

Feature of an organism

a)

calcium

b)

mineral

c)

characteristic

d)

lungs

e)

muscle

56.

To take in and let out air

a)

breathe

b)

oxygen

c)

respiratory system

d)

carbon dioxide

e)

respiration

57.

Element; what living things breathe in

a)

calcium

b)

carbon

c)

magnesium

d)

oxygen

e)

potassium

58.

System of that body that brings oxygen into the body

a)

breathe

b)

respiratory system

c)

carbon dioxide

d)

respiration

e)

lungs

59.

Waste product of the cells; what we breathe out

a)

oxygen

b)

respiratory system

c)

carbon dioxide

d)

lungs

e)

trachea

60.

Process on taking in oxygen and releasing carbon dioxide

a)

oygen

b)

respiratory system

c)

carbon dioxide

d)

respiration

e)

lungs

61.

Organs of the respiratory system

a)

oxygen

b)

respiratory system

c)

carbon dioxide

d)

respiration

e)

lungs

62.

Cartilage-lined tube between the larynx and the bronchus; also the windpipe

a)

lungs

b)

trachea

c)

muscle

d)

blood vessels

e)

excretory system

63.

organ of the muscular system

a)

lungs

b)

trachea

c)

muscle

d)

blood vessels

e)

excretory system

64.

Tubes in the body through which blood flows

a)

lungs

b)

trachea

c)

muscle

d)

blood vessels

e)

excretory system

65.

Body system responsible for storing and getting rid of waste

a)

lungs

b)

trachea

c)

muscle

d)

blood vessels

e)

excretory system

66.

Describes materials that can be seen through

a)

transparent

b)

translucent

c)

refract

d)

wavelength

e)

convex

67.

Describes materials that allow some light but can not be seen through

a)

transparent

b)

translucent

c)

wavelength

d)

convex

e)

concave

68.

To bend light as it passes through a material

a)

transparent

b)

translucent

c)

refract

d)

wavelength

e)

prism

69.

Distance between one peak and the next on a wave

a)

frequency

b)

trough

c)

phase

d)

sound wave

e)

wavelength

70.

Triangular piece of glass that can separate white light into different colors

a)

refract

b)

wavelength

c)

prism

d)

lens

e)

convex

71.

Curved piece of material that bends light as it passes through

a)

prism

b)

lens

c)

vocal

d)

vacuum

e)

seismic

72.

curved outward

a)

retina

b)

convex

c)

concave

d)

focus

e)

reflect

73.

curved inward

a)

convex

b)

retina

c)

focus

d)

focal point

e)

concave

74.

Membrane at the back of the eye onto which focused light falls

a)

convex

b)

concave

c)

retina

d)

focus

e)

focal point

75.

To direct light at one point

a)

retina

b)

convex

c)

concave

d)

focal point

e)

focus

76.

Point where light rays come together

a)

focal point

b)

retina

c)

convex

d)

concave

e)

focus

77.

To strike a surface and bounce back in the opposite direction

a)

retina

b)

convave

c)

prism

d)

reflect

e)

focal point

78.

Organism from which younger organisms are obtained

a)

Parent

b)

offspring

c)

heredity

d)

Egg

e)

DNA

79.

new organism that is a product of reproduction

a)

Parent

b)

offspring

c)

heredity

d)

Egg

e)

DNA

80.

Passing of traits from parent to offspring

a)

Parent

b)

offspring

c)

heredity

d)

Egg

e)

DNA

81.

Female reproductive cell

a)

Parent

b)

offspring

c)

heredity

d)

Egg

e)

DNA

82.

found in the nucleus of cells, contains genetic instructions

a)

Parent

b)

offspring

c)

heredity

d)

Egg

e)

DNA

83.

To receive genetic information and traits from a parent

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

protein

84.

Basic unit of all living things

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

protein

85.

Any individual living thing

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

protein

86.

Tightly wound bundle of DNA and proteins found in the nucleus

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

protein

87.

Nutrient used by animals

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

protein

88.

Process in which a cell splits in two

a)

inherit

b)

cell

c)

organism

d)

chromosome

e)

cell division

89.

Basic unit of heredity in a living organism

a)

inherit

b)

cell

c)

organism

d)

gene

e)

cell division

90.

One member of a pair or series of genes on specific chromosomes in specific positions

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

91.

Genetic trait that lacks the ability to show itself if a dominant gene is present

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

92.

Having different pairs of genes for any given pair of hereditary characteristics

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

93.

Internal genetic coding passed on from one generation to the next

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

94.

Internal genetic coding passed on from one generation to the next

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

95.

Observable traits of an organism passed passed on from parent

a)

allele

b)

recessive

c)

heterozygous

d)

genotype

e)

phenotype

96.

feature of an organism; something you can observe about an organism

a)

characteristic

b)

genetic engineering

c)

artificial selection

d)

gene

e)

offspring

97.

Process where foreign or modified genes are directly incorporated into genome

a)

characteristic

b)

genetic engineering

c)

artificial selection

d)

gene

e)

offspring

98.

selective breeding of plants and animals by humans

a)

characteristic

b)

genetic engineering

c)

artificial selection

d)

gene

e)

offspring

99.

Basic unit of heredity in a living organism

a)

characteristic

b)

genetic engineering

c)

artificial selection

d)

gene

e)

offspring

100.

new organism that is a product of reproduction

a)

characteristic

b)

genetic engineering

c)

artificial selection

d)

gene

e)

offspring

101.

characteristic or property of an organism

a)

trait

b)

DNA

c)

bacteria

d)

endangered species

e)

cell

102.

found in the nucleus of cells, contains genetic instructions

a)

trait

b)

DNA

c)

bacteria

d)

endangered species

e)

cell

103.

single-celled organism without an organized nucleus

a)

trait

b)

DNA

c)

bacteria

d)

endangered species

e)

cell

104.

species that is in danger of extinction due to low number

a)

trait

b)

DNA

c)

bacteria

d)

endangered species

e)

cell

105.

Basic unit of all living things

a)

trait

b)

DNA

c)

bacteria

d)

endangered species

e)

cell

106.

Nutrient used by animals

a)

protein

b)

cell membrane

c)

mutation

d)

amino acid

e)

phenotype

107.

boundary that surrounds a cell

a)

protein

b)

cell membrane

c)

mutation

d)

amino acid

e)

phenotype

108.

change in the nucleotide sequence of an organism’s genome

a)

protein

b)

cell membrane

c)

mutation

d)

amino acid

e)

phenotype

109.

one of the 20 types of molecules that combine to form protein

a)

protein

b)

cell membrane

c)

mutation

d)

amino acid

e)

phenotype

110.

Observable traits of an organism passed passed on from parent

a)

protein

b)

cell membrane

c)

mutation

d)

amino acid

e)

phenotype

111.

plan, outline, or guide for creating something else

a)

design

b)

construct

c)

structure

d)

architect

e)

engineer

112.

build something from a design

a)

design

b)

construct

c)

structure

d)

architect

e)

engineer

113.

part of an organism; refers to the way parts are put together

a)

design

b)

construct

c)

structure

d)

architect

e)

engineer

114.

designer whose job is to plan, develop, draw, and supervise construction of buildings

a)

design

b)

construct

c)

structure

d)

architect

e)

engineer

115.

person with special skills; design things that help solve problems

a)

design

b)

construct

c)

structure

d)

architect

e)

engineer

116.

step in the engineering process where the design is ts tried and data collected

a)

test

b)

system

c)

subsystem

d)

material

e)

engineer

117.

group of related objects that work together to perform a function

a)

test

b)

system

c)

subsystem

d)

material

e)

engineer

118.

working system that is part of a larger system

a)

test

b)

system

c)

subsystem

d)

material

e)

engineer

119.

solid matter that can be used to create things

a)

test

b)

system

c)

subsystem

d)

material

e)

engineer

120.

plan, outline, or guide for creating something else

a)

Design

b)

load

c)

force

d)

material

121.

force that is carried when supporting weight or mass

a)

Design

b)

load

c)

force

d)

material

122.

pull or push that is applied to an object

a)

Design

b)

load

c)

force

d)

material

123.

solid matter that can be used to create things

a)

Design

b)

load

c)

force

d)

material

124.

bridge where the deck is suspended by cables attached to towers

a)

suspension bridge

b)

engineer

c)

beam bridge

d)

arch bridge

125.

person with special skills; design things that help solve problems

a)

suspension bridge

b)

engineer

c)

beam bridge

d)

arch bridge

126.

bridge with one horizontal beam whose weight is borne by two vertical supports

a)

suspension bridge

b)

engineer

c)

beam bridge

d)

arch bridge

127.

bridge that uses curves to divert weight onto two supports

a)

suspension bridge

b)

engineer

c)

beam bridge

d)

arch bridge

7th Grade 2nd Semester Vocab.

Total questions: 127

Worksheet time: 1hrs 4mins

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