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Science 7 Post Test

Total questions: 100

Worksheet time: 52mins

Name
Class
Date
1.

Which of the following causes air pollution?

a)

burning fossil fuels

b)

volcanic eruptions

c)

forest fires

d)

all of the above

2.

Specific traits for a show dog is an example of _____.

a)

selective breeding

b)

natural selection

c)

behavioral adaptations

d)

physical adaptations

3.

The temperature at which liquid becomes a gas is the ____ point.

a)

freezing

b)

condensation

c)

melting

d)

boiling

4.

Which of the following do organisms use for energy?

a)

chemical reactions

b)

food

c)

solar energy

d)

all of the above

5.

What type of adaptation is a cobra's ability to spit venom?

a)

camouflage

b)

structural

c)

behavior

d)

physiological

6.

A change in the environment is a ____.

a)

stimulus

b)

nerve cell

c)

response

d)

process

7.

A monkey using a twig to hunt for ants in an anthill would be considered which type of adaptions?

a)

environmental

b)

behavioral

c)

physiological

d)

structural

8.

The Indian Plate converged with the Eurasian Plate to form which mountains?

a)

Appalachians

b)

Mt. St Helen's

c)

Himalayas

d)

Caledonians

9.

A disadvantage for using nuclear energy is the ____ produced.

a)

heat

b)

flooding

c)

waste

d)

pollution

10.

Which of the following is NOT one of the four macro molecules that make up cells?

a)

carbohydrates

b)

proteins

c)

citric acids

d)

lipids

11.

What two states of matter are shown?

a)

solid and liquid

b)

volume and solid

c)

liquid and gas

d)

gas and solid

12.

What does the figure show?

a)

how mimicry results in variation

b)

how camouflage results in variation

c)

how variation results in adaptation

d)

how selective breeding results in an adaptation

13.

Which air pollution relationship is being shown?

a)

Warm air acts as a lid, trapping cold air and pollution close to the ground

b)

Cold air acts as a lid, trapping warm air and pollution close to the ground

c)

Warm air acts as a lid, trapping just cold air close to the ground

14.

The Family is _____.

a)

Delphinidae

b)

Tursiops

c)

Tursiops truncatus

d)

Cetacea

15.

The scientific classification of ____.

a)

bottle-nosed dolphins

b)

whales

c)

porpoises

d)

all dolphins

16.

In the figure, the group larger than an Order but smaller than a Kingdom is _____.

a)

Delphinidae

b)

Phylum

c)

Family

d)

Tursiops

17.

Mass is a(n) _____ property.

a)

chemical

b)

physical

c)

natural

18.

Which of the following is a small particle that is the building block of matter?

a)

atom

b)

molecule

c)

substance

19.

Which of the following life functions is NOT performed by water?

a)

helps digest food

b)

helps control body temperature

c)

provides energy for cells

d)

protects body tissues

20.

Which of the following is a structural adaptation?

a)

Birds can have very long bills to drink nectar from flowers

b)

Penguins share egg incubation between the male and female

c)

Birds group up to protect their young from predators

d)

Migrating waterfowl have access to abundant food all year round

21.

If you want to avoid earthquakes, where would be the best place to live?

a)

southern Alaska

b)

the largest island in Hawaii

c)

West coast

d)

the Great Lakes region

22.

Which product is made from nonmetallic mineral resources?

a)

concrete

b)

copper wires

c)

iron nails

d)

stainless steel

23.

Which is an example of a chemical change?

a)

evaporating milk

b)

burning paper

c)

bending a pop can

d)

melting wax

24.

What effect does recycling have on land resources?

a)

recycling conserves land resources

b)

recycling uses land resources more quickly

c)

recycling has no effect on land resources

25.

_____ is a fossil fuel.

a)

water

b)

nuclear fuel

c)

gasoline

d)

electricity

26.

Deforestation can lead to _____.

a)

increases in Earth's average surface temperature

b)

loss of animal habitats

c)

soil erosion

d)

all of these

27.

The smallest unit of life is the _____.

a)

organism

b)

protein

c)

cell

d)

homeostasis

28.

A wind turbine is most like a _____.

a)

windsock

b)

windmill

c)

sail

d)

kite

29.

The picture shows earthquake distribution. The blue lines represent plate boundaries. Which statement is true?

a)

Deep earthquakes occur around all continents

b)

Earthquakes usually occur along plate boundaries

c)

Earthquakes never occur along plate boundaries

d)

Most earthquakes occur close to the surface

30.

Which letter shows individual atoms?

a)

X

b)

Y

c)

Z

d)

W

31.

Which diagram shows a substance that keeps its own properties when mixed?

a)

X

b)

Y

c)

Z

d)

W

32.

Which letter shows a compound?

a)

X

b)

Y

c)

Z

d)

W

33.

Density depends on _____.

a)

weight

b)

mass

c)

volume

d)

mass and volume

34.

_____ is a physical property.

a)

density

b)

oxidation

c)

combustablity

d)

flammability

35.

Groups of cells that work together to perform a certain function are called _____.

a)

tissues

b)

organs

c)

organ systems

d)

organism

36.

Which of the following does not cause pollution?

a)

forest fires

b)

volcanic eruptions

c)

burning fossil fuels

d)

none of these

37.

What is turning the turbine that generates electricity?

a)

hot hair rising to the surface along with the water

b)

atoms splitting

c)

steam from water heated deep within Earth

d)

the force of cool water moving past it

38.

This is an example of which of the following?

a)

reproduction

b)

variation

c)

selection

d)

competition

39.

Which of the following is NOT a nonrenewable energy resource

a)

coal

b)

oil

c)

wood

d)

natural gas

40.

Which of the following is a behavioral adaptation?

a)

alligator's eyes being on top of their heads

b)

blue whales migrating to mate and give birth

c)

tree frogs having long sticky tongues

d)

hedgehogs have stiff spines

41.

All of the following are physical properties except...

a)

ability to react with oxygen

b)

shape

c)

density

d)

color

42.

____ is a brownish haze produced when nitrogen compounds and other pollutants in the air react in the presence of sunlight.

a)

acid precipitatoin

b)

photochemical smog

c)

volcanic release

43.

Which of the following is a nonrenewable energy resource?

a)

wind energy

b)

solar energy

c)

tide energy

d)

fossil fuels

44.

The process that acts on rock to change its form and break it into smaller pieces is called _____.

a)

weathering

b)

glacier

c)

mid-ocean ridge

d)

sediment

45.

Which of the following is a source of renewable energy?

a)

fossil fuels

b)

oil

c)

solar power

d)

nuclear fission

46.

When two or more substances are combined so that each substance can be separated by physical means, the result is a(n) _____.

a)

chemical change

b)

compound

c)

element

d)

mixture

47.

Which of the following rocks is an igneous rock?

a)
b)
c)
d)
48.

Waste materials from nuclear power plants _____.

a)

are dangerous to living things for a few days

b)

are dangerous to living things for thousands of years

c)

are completely safe

49.

An example of a chemical property is _____.

a)

ability to react with oxygen

b)

solubility

c)

ability to melt

d)

ability to be attracted by a magnet

50.

All of the following are physical changes EXCEPT _____.

a)

burning

b)

melting

c)

condensing

d)

solidifying

51.

Where do erosion and deposition occur in river?

a)

A delta forms at the mouth of a river from deposition. There is no erosion.

b)

Deposition occurs where fast-moving water picks up soil and moves it downstream. Erosion occurs where a river current slows as it enters a larger body of water and drops the soil.

c)

Erosion occurs where fast-moving water picks up soil and moves it downstream. Deposition occurs where a river current slows as it enters a larger body of water and drops the soil.

52.

The movement that occurs during mass wasting is caused by _____.

a)

gravity

b)

air

c)

ice

d)

water

53.

Camouflage is an example of _____.

a)

behavioral adaptation

b)

physical adaptation

c)

physiological adaptation

54.

Which of the following is a behavioral adaptation

a)

Horses can run quickly to escape predators

b)

Horses run as a herd

c)

Horses' teeth grind grass

d)

Horses' hooves can withstand the shock of their bodies running

55.

Melted rock at Earth's surface is called _____.

a)

mantle

b)

lava

c)

magma

d)

rock

56.

A giraffe's long neck would be considered which type of adaptation?

a)

behavioral

b)

physical

c)

physiological

57.

The melting point of silver is a _____.

a)

chemical change

b)

chemical property

c)

physical change

d)

physical property

58.

Which of the following is an example of a chemical change?

a)

baking soda in vinegar

b)

painting a house

c)

boiling water

d)

bending steel

59.

The change that is NOT a physical change is _____.

a)

burning

b)

dissolving

c)

evaporating

d)

freezing

60.

Which of the following provide(s) a habitat for living things?

a)

soil

b)

caves

c)

human intestines

d)

all of these

61.

When a fault ruptures, what happens?

a)

volcanic eruption

b)

geyser

c)

earthquake

d)

glacier

62.

Which formula listed correctly finds density?

a)

D=m/v

b)

D=v/m

c)

D=g/v

d)

D=m*v

63.

What is a habitat

a)

a specific environment where an organism lives

b)

a place that the weather does not effect where animals can go to be dry and warm

c)

the source of energy an organism uses

64.

All organisms need ____ to survive.

a)

food, place to live, sunlight

b)

food, place to live, water

c)

place to live, sunlight, water

d)

food, water, sunlight

65.

Which is NOT an example of land as a resource?

a)

mineral resources

b)

habitat

c)

solar energy

d)

agriculture

66.

Which of the following forms when Earth's crust folds and crumples?

a)

trench

b)

mountains

c)

rivers

d)

islands

67.

Which of the following is a physical adaptation?

a)

Burmese pythons are able to unhinge their jaws to swallow large prey.

b)

A bird has a mating call to attract a mate.

c)

A snowy egret will stand still in the water with its wings outstretched because fish are attracted to the shade.

68.

The state of matter of a material depends on its _____.

a)

weight

b)

temperature

c)

volume

d)

density

69.

All of the following are a state of matter EXCEPT _____.

a)

solid

b)

density

c)

gas

d)

liquid

70.

Which mineral is the softest?

a)

diamond

b)

quartz

c)

feldspar

d)

talc

71.

Which of the following adaptations does NOT discourage predators?

a)

eyespots on butterfly wings

b)

thorns on roses

c)

tube-like mouth

d)

quills on porcupines

72.

Which is NOT a behavioral adaptation?

a)

a plant adaptation to severe temperature by producing seeds that are dormant

b)

seasonal movement of animals to avoid cold

c)

seasonal movement of animals to find food

d)

whales moving to warmer water to reproduce

73.

An example of a chemical change is _____.

a)

dew disappearing from teh grass

b)

a magnet sticking to the refrigerator

c)

frying a hamburger

d)

mashing potatoes

74.

Which is not a disadvantage of the use of solar energy?

a)

requires a large surface area to collect and produce on a large scale

b)

less energy produced on cloudy days

c)

potential impact on bird populations

d)

high cost of solar cells

75.

In the United States, how much land is used by cities compared to other land uses?

a)

Cities use half as much land as agriculture.

b)

Cities use one third as much of the land as forests.

c)

Most land is used by cities.

d)

Cities use very little land compared to any other category.

76.

Which of the following is an inherited trait that increases an organism's chance of survival and reproduction?

a)

natural selection

b)

adaptation

c)

mutation

d)

selective breeding

77.

The following are examples of chemical properties EXCEPT _____.

a)

ability to burn

b)

ability to react with oxygen

c)

toxicity

d)

ability to be crushed

78.

Density is an example of a _____.

a)

chemical change

b)

chemical property

c)

physical change

d)

physical property

79.

Which of the following is NOT a necessary characteristic of a living thing?

a)

Living things eat.

b)

Living things reproduce.

c)

Living things are made of cells.

d)

Living things grow and develop.

80.

An adaptation _____.

a)

is an inherited trait

b)

increases a species chances of surviving

c)

increases a species chances of reproducing

d)

all of the above

81.

A population of beetles changing from yellow to brown and surviving better is an example of _____.

a)

genes

b)

selective breeding

c)

natural selection

d)

mutation

82.

Which of the following is an example of a chemical reaction?

a)

lighting a match

b)

freezing water

c)

dissolving salt into water

d)

breaking glass

83.

Which is NOT a result of acid precipitation?

a)

It can increase the chance of asthma attacks.

b)

It can harm fish and other organisms.

c)

It can damage buildings and statues made of some types of rocks.

d)

It can pollute soil, killing trees and other plants.

84.

Which organism lives about 15 times longer than a squirrel?

a)

human

b)

snapping turtle

c)

giant tortoise

d)

cicada

85.

Adaptations can be which of the following?

a)

structural

b)

behavioral

c)

physiological

d)

all of the above

86.

A characteristic of matter that allows it to change to something new is a ____.

a)

physical change

b)

chemical change

c)

physical property

d)

chemical property

87.

_____ is the two-word name that is an organism's species.

a)

cells

b)

binomial nomenclature

c)

dichotomous key

d)

stimuli

88.

The smallest unit that carries on life functions is called ____.

a)

energy

b)

cells

c)

stimuli

d)

dichotomous key

89.

All organisms must _____ to make more of its own kind.

a)

energy

b)

cells

c)

reproduce

d)

stimuli

90.

A detailed list of identifying characteristics that is used to classify organisms is called a _____.

a)

binomial nomenclature

b)

dichotomous key

c)

food web

d)

reproduction

91.

All living things need _____. Some have to eat food to get it, and some can make their own foot to get it.

a)

stimuli

b)

energy

c)

reproduce

d)

cells

92.

A change in the environment that causes a response is a ____.

a)

natural selection

b)

energy

c)

stimuli

d)

binomial nomenclature

93.

Example of ____: a rock changes from brown to red.

a)

chemical weathering

b)

physical weathering

94.

Example of _____: Plant roots force their way into a crack in the sidewalk and cause it to split even wider.

a)

chemical weathering

b)

physical weathering

95.

Example of ____: Water works its way into a rock, freezes, and splits the rock.

a)

chemical weathering

b)

physical weathering

96.

What is the probability of having offspring that are green?

a)

25%

b)

50%

c)

75%

d)

100%

97.

Which color of pea pod is dominant?

a)

yellow

b)

green

c)

a mix of yellow and green

98.

Which is the best description of the parent plants?

a)

homozygous dominant and homozygous recessive

b)

heterzygous and heterzygous

c)

homozygous dominant and heterozygous

d)

homozygous recessive and heterozygous

99.

Which type of plant should you plant on the side of the house that receives the most sunlight?

a)

Geranium

b)

Impatiens

c)

Fuschia

d)

Trillium

100.

Which type of rock contains no quartz?

a)

granite

b)

basalt

c)

rhyollite

d)

diorite

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