wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Semester 2 Final Review

Total questions: 104

Worksheet time: 59mins

Name
Class
Date
1.

Adaptations can be:

a)

camouflage

b)

ability to survive cold weather

c)

hunting skills

d)

all of the above

2.

A yellow morph and green morph of an insect lives in the rainforest canopy. You would expect:

a)

the green population to increase and the yellow to decrease

b)

both populations should stay the same

c)

both populations will increase

d)

the green population to decrease and the yellow to increaseThis is a wrong answer

3.

How do you "win" at natural selection?

a)

survive

b)

go extinct

c)

survive & reproduce

4.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
5.

What word describes a trait that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

6.
Change over time
a)
Natural Selection
b)
Selective Breeding
c)
Homeostasis
d)
Evolution
7.
Dogs such as Chihuahuas are examples of....
a)
Artificial Selection 
b)
Natural Selection 
c)
Mutations 
8.

Natural Selection is driven by a change in the environment and survival of the

a)

Earth

b)

Fastest

c)

Fittest

d)

Biggest

9.

The process where organisms best fit for the environment are more likely to survive and reproduce.

a)

natural selection

b)

adaptation

c)

hibernation

d)

selective breeding

e)

hybridization

10.

The process by which humans take control of the breeding process to choose favorable traits to be passed on.

a)

natural selection

b)

adaptation

c)

hibernation

d)

selective breeding

e)

hybridization

11.

The hibernation of bears during winter months is a-

a)

structural adaptation

b)

behavioral adaptation

c)

natural selectiion

d)

migration

12.

Mountain lions are large cats and the top predator in their habitat. A population of mountain lions may vary in several characteristics. If a prey becomes scarce, competition between mountain lions for food will increase. Which variation would provide an advantage to the individuals that possessed it?

a)

a spotted coat

b)

short fur

c)

long legs

d)

abundant whiskers

13.

A farmer wants to increase the amount of food produced by corn crops. If the farmer selectively breeds the plants, for which trait should the farmer select?

a)

taller stems

b)

deeper roots

c)

resistance to pesticides

d)

more cobs on plant

14.

1. The process of choosing parent organisms for desired characteristics is called

a)

natural selection

b)

Artificial selection

c)

random selection

d)

genetic manipulation

15.

What is an example of artificial selection?

a)

Letting dogs choose their own mate

b)

Letting plants pollinate on their own

c)

Crossing a labrador and a poodle to create a labradoodle

16.

The following is a similarity between artificial selection and natural selection

a)

Takes hundreds of years

b)

Humans determine traits

c)

Nature determines traits

d)

Offspring are produced

17.

Which statement is true comparing natural selection and artificial selection?

a)

In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

b)

In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

c)

In natural and artificial selection, the process takes hundreds of years to occur

d)

In natural and artificial selection, nature determines what traits will be passed down to offspring.

18.

Artificial selection is also known as

a)

natural selection

b)

selective hearing

c)

genetic manipulation

d)

selective breeding

19.

Newton's are the unit used to measure...

a)

energy

b)

force

c)

weight

d)

mass

20.

All forces occur in pairs

a)

true

b)

false

21.

A push or pull on an object is

a)

a force

b)

acceleration

c)

mass

d)

momentum

22.

Which of the following is an example of Newton’s Third Law:

a)

You jump on a trampoline. It springs you back into the air.

b)

A swimmer pushes against a pool wall to begin swimming a lap.

c)

A rocket’s thrust pushes it out of Earth's atmosphere.

d)

All of the above

23.

According to Newton’s Third Law, when you lean on a wall, which force is greater?

a)

the wall's force

b)

your force

c)

the force of friction

d)

they are equal

24.

A ball bat hits aball with a force of 100 Newtons. What is the force and direction exerted by the ball on the bat?

a)

100 Newtons, same direction

b)

100 Newtons, opposite direction

c)

200 Newtons, same direction

d)

200 Newtons, opposite direction

25.

The head of a hammer is often made of steel. This makes the head heavy, which helps create a strong force for driving nails. Steel is also strong. The head of a hammer must be strong to resist what force?

a)

The force of the air resistance on the moving hammer

b)

The force of the person using the hammer

c)

The force of gravity pulling down on the hammer

d)

The force of the nail pushing in the opposite direction

26.

According to Newton’s Third Law, if someone jumps off a skateboard, the skateboard will roll backward because -

a)

the mass of the skateboard is the same as the mass of the person jumping off.

b)

the pull of gravity on the person is the same as on the skateboard, regardless of size.

c)

the air resistance on the person is great and the friction on the skateboard is small.

d)

for the force that sent the person forward, there is an equal force pushing back on the skateboard.

27.

A book pushes down on a table with a force of 5N, the table..

a)

Pushes back with a force of 5N

b)

Pushes back with a force less than 5N

c)

Pushes back with a forcec greater than 5N

d)

Does nothing. A table has no force.

28.

Newton's 3rd Law states that for every action, there will be an ________________________ but ______________________ reaction.

a)

equal, similar

b)

greater, similar

c)

equal, opposite

d)

greater, opposite

29.
The greater the mass of an object
a)
the more space it takes up
b)
the greater its inertia
c)
the more balanced it is
d)
the easier the object is to move
30.

The force that happens when two things rub together is called:

a)

Electricity

b)

Magnetism

c)

Friction

d)

Gravity

31.

When two ring magnets are placed on a pencil, magnet A remains suspended above magnet B, as shown. Which statement describes the gravitational force and the magnetic force acting on magnet A due to magnet B?

a)

The gravitational force is attractive and the magnetic force is repulsive.

b)

The gravitational force is repulsive and the magnetic force is attractive.

c)

Both the gravitational force and the magnetic force are attractive.

d)

Both the gravitational force and the magnetic force are repulsive.

32.

Which magnet will have the strongest magnetic force?

a)

A

b)

B

c)

C

d)

D

33.

If the unequal opposing forces are applied to the cart at the same time, what will occur?

a)

The cart will move to the left.

b)

The cart will move to the right.

c)

The cart will alternate between moving left and right.

d)

The cart will remain stationary.

34.

Which measurements are required to calculate the average speed of a car driving on a road?

a)

Mass and direction

b)

Mass and time

c)

Direction and Time

d)

Time and Distance

35.

Weight is the measurement of the force of

a)

gravity

b)

mass

c)

speed

d)

distance

36.

Which of the following is a complete list of the Terrestrial (inner) planets?

a)

Venus, Earth, Mars, Jupiter

b)

Mercury, Venus, Earth, Mars

c)

Jupiter, Saturn, Uranus, Neptune

d)

Mercury, Venus, Earth, Jupiter

37.

Which of the following is a complete list of the Jovian (outer) planets?

a)

Venus, Earth, Mars, Jupiter

b)

Mercury, Venus, Earth, Mars

c)

Jupiter, Saturn, Uranus, Neptune

d)

Mercury, Venus, Earth, Jupiter

38.

The orbits of the objects in the solar system are the direct result of which of the following feature of the Sun?

a)

Its magnetic field

b)

Its brightness

c)

Its gravitational pull

d)

Its chemical composition

39.

If someone is building a scale model of our solar system which characteristic would be the most difficult to build into the model?

a)

The relative sizes of the objects

b)

The colors of the objects

c)

The distances between objects

d)

The composition of the objects

40.

The force of gravitational attraction between the Sun and Venus could be increased by reducing which of the following?

a)

The period of rotation of the Sun

b)

The distance between the Sun and Venus

c)

The speed of the orbit of Venus

d)

The colors of the Sun and Venus

41.

What are the characteristics of the Jovian (outer) planets in the solar system?

a)

Giant balls of gas and ice

b)

Hard and rocky

c)

Very Large

d)

Smaller

e)

Have many moons

42.

A large object orbiting a star

a)

Planet

b)

Moon

c)

Asteroids

d)

Sun

e)

Comet

43.

Masses that orbit around a planet

a)

Planet

b)

Moon

c)

Asteroids

d)

Sun

e)

Comet

44.

What holds celestial objects in orbit?

a)

Centripetal Force

b)

Gravity

c)

Mass

d)

Luck

45.

Order from smallest to largest:

a)

planet, solar system, galaxy, universe

b)

universe, galaxy, solar system, planet

c)

planet, galaxy, solar system, universe

46.

A wave in which the vibration of the medium is perpendicular to the direction the wave travels

a)

sound wave

b)

longitudinal

c)

transverse

d)

translucent

47.

How high or low a sound is, dependent on frequency

a)

frequency

b)

amplitude

c)

pitch

d)

space

48.

a disturbance that transfers energy from one place to another

a)

sound wave

b)

space

c)

wave

d)

wavelength

49.

a longitudinal wave that is caused by vibrations and that travels through a material medium

a)

wavelength

b)

translucent

c)

transverse

d)

sound wave

50.

Horizontal distance between the crests or between the troughs of a wave

a)

translucent

b)

transverse

c)

wavelength

d)

wave

51.

How many wave peaks pass a certain point per given time

a)

translucdent

b)

frequency

c)

reflect

d)

wavelength

52.

the height of a wave's crest

a)

amplitude

b)

frequency

c)

opaque

d)

reflect

53.

Allowing light to pass through; clear

a)

transverse

b)

transparent

c)

translucent

d)

sound wave

54.

This force occurs when there is an attractive and repulsive force between two poles.

a)

Electric

b)

Electromagnetism

c)

Magnetism

d)

Static Electricity

55.

In a magnet the opposite poles will

a)

Attract

b)

Repel

c)

Neither

56.

Like poles will

a)

Attract

b)

Repel

c)

Neither

57.

The magnetic field of a magnet is ____________ further away from the magnet.

a)

Smaller

b)

Stroner

c)

Larger

d)

Weaker

58.

The area around an electric charge that experiences the force exerted by the electric charge.

a)

Electric Field

b)

Magnetic Field

c)

Electric Force

d)

Magnetic Force

59.

What is this image showing.

a)

Electric Current

b)

An Electromagnet

c)

Magnetic Force

d)

Magnetic Field

60.

Which of the two below result in an attractive force?

a)

A positive charge and a negative charge

b)

Two negative charges

c)

Two south poles

d)

A north pole and a south pole

e)

Two postive charges

61.

Frederick sets paper clips out on a table. He then takes a magnet, places it directly beneath the paper clips under the table, and moves the magnet. He finds that the paper clips move with the magnet. Why does this happen?

a)

Magnetic force is a repellant force

b)

Magnetic forces act on wood, like in the table

c)

The paper clips are feeling the gravitational force of the magnet

d)

Magnetic forces act at a distance, even betwewn objects

62.

Surrounding each magnetic is an invisible force field called

a)

Gravity

b)

A magnetic field

c)

An electric field

d)

The Force

63.

In an electromagnet, coils of wire are wrapped around a magnetic object to generate a magnetic field. What the is relationship between number of coils and the strength of the magnetic field?

a)

The more coils an electromagntic has, the stronger the magnetic field

b)

The more coils an electromagntic has, the weaker the magnetic field

c)

The larger the metal object, the stronger the magnetic field is

d)

There is no relationship between number of coils and the strength of a magnetic field

64.

To decrease the strength of a magnetic field around an electromagnet, we must

a)

increase the number of coils

b)

increase the size of the iron core

c)

decrease the size of the iron core

d)

decrease the number of coils

65.
Is music playing from a record an analog or digital signal?
a)
Analog
b)
Digital
66.
Numbers in an analog code can have _____ values.
a)
any
b)
only high
c)
only low
d)
only set
67.
Which type(s) of signal(s) can be easily corrected to remove noise?
a)
Analog
b)
Digital
c)
Both
d)
Neither
68.
Setting the color of each pixel on a computer screen requires a _____ signal.
a)
analog
b)
digital
c)
loud
d)
fast
69.

This is a signal that fluctuates exactly like the original signal.

a)

Analog

b)

Digital

c)

High Definition

d)

Binary

70.

This is a signal where the data is represented by binary digits.

a)

Digital

b)

Analog

c)

NTSC

d)

CRT

71.
The signal above is an example of a(n)
a)
Digital Signal
b)
Analog Signal
72.
Smooth and continuous data
a)
analog
b)
digital
c)
pulse
d)
binary
73.
Is this digital or analog?
a)
Digital 
b)
Analog
74.
Is this digital or analog?
a)
Digital 
b)
Analog
75.

When placed at equal distances apart, the greatest gravitational attraction will be between two

a)

skateboards

b)

bowling balls

c)

school buses

76.

Which is needed to determine the amount of gravitational force between two objects?

a)

distance and mass

b)

weight and time

c)

area and weight

77.

The gravitational force exerted by an object depends on its

a)

volume

b)

mass

c)

weight

78.

A student drops a bowling ball and an apple from a third-story window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

a)

the apple weighs more than the bowling ball

b)

more air friction is acting on the apple than on the bowling ball

c)

gravity pulls on both objects, causing them to fall at the same time.

79.
What is gravitational force?
a)
It makes objects at rest start moving.
b)
It makes objects that are moving stop.
c)
The force of attraction between two objects.
d)
It pulls you into space.
80.
As the product of two objects' masses increases, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
81.
This FORCE pulls things.  It PULLS things into orbit around the sun. 
a)
Newton
b)
gravity
c)
weight
d)
path
82.
Mass is a measurement of 
a)
how much matter is present in an object
b)
how much weight is present in an object
c)
the amount a spring is compressed on a scale
d)
none of the answers are correct
83.

Gravity on moon is less than the gravity on earth because

a)

a. moon's mass is less

b)

b. moon's mass is more

c)

c. moon's mass is equal to Earth

d)

d. moon has no mass

84.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
85.

An astronaut way out in space is considered to be “weightless". This is because–

a)

his mass is so small relative to the earth that gravity doesn’t affect him.

b)

gravitational force decreases greatly over long distances.

c)

gravitational force pushes objects away from each other at long distances.

d)

objects far away from the earth have less mass.

86.

Which statement is true?

a)

All objects with mass exert a gravitational force.

b)

Only celestial objects exert a gravitational force.

c)

Gravity can both push and pull objects.

d)

Only Earth exerts a gravitational force.

87.

On which celestial object (outer space) would your mass be the greatest?

a)

Earth

b)

Jupiter

c)

Sun

d)

Your mass doesn't change on different celestial objects

88.

What is the Big Bang Theory?

a)

Two giant stars hit each other and exploded.

b)

The universe started as a hot, dense point in space that is rapidly expanding.

c)

The universe got too big, exploded, and started over.

d)

None of the above

89.

What are Galaxies made of?

a)

Stars, gases, and space dust

b)

Suns and planets

c)

Dust and gases

d)

Gravity

90.

What type of galaxy is this?

a)

Elliptical

b)

Spiral

c)

Irregular

d)

Conical

91.

What galaxy do we live in?

a)

Andromeda

b)

Milky Way

c)

Tuffle

d)

Ceres

92.

Most scientists believe the Big Bang Theory explains which of the following questions?

a)

How our planets and moons formed

b)

How our universe began

c)

How the sun turns hydrogen into helium

d)

How fast light travels through space

93.

A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction

a)

meteor

b)

galaxy

c)

constellation

d)

solar system

94.

consists of the sun and all the objects that revolve around it

a)

solar system

b)

universe

c)

planet

d)

moon

95.

Tiny particles of matter floating in space

a)

Gravity

b)

Dust

c)

Gas

d)

Galaxy

e)

Solar System

96.

Which of the following best describes the formation of the solar system?

a)

The sun ejected rocky material which later went on to form the planets.

b)

A rotating disk of gas and dust was drawn together by the force of gravity.

c)

One very large planetary body broke apart into several smaller planets.

d)

Several stars of different masses cooled and formed the planets and the sun.

97.

What stage is our Sun at right now?

a)

Protostar

b)

Main Sequence

c)

Giant

98.

True or false? Our universe is still expanding today.

a)

True

b)

False

99.

Why do some stars appear brighter than others?

a)

Distance from the earth

b)

Colour of the star

c)

Size of the star

100.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
101.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
102.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
103.

What characteristics are used to classify stars?

a)

Flammability, weight, and reactivity

b)

Temperature/color and brightness

c)

Conductivity, luster, and density

d)

Malleability, distance, and viscoscity

104.

Knowing the color of a star also tells us its __________

a)

age

b)

location

c)

temperature

d)

name

Similar Resources on Wayground

Second Year Science Summer Assessment

100 questions

Second Year Science Summer Assessment

quiz

Worksheet

•

7th - 10th Grade

LATIHAN SOAL PAS IPA GANJIL 2020/2021

100 questions

LATIHAN SOAL PAS IPA GANJIL 2020/2021

quiz

Worksheet

•

7th Grade

Science: 7th Grade Year Long Review

108 questions

Science: 7th Grade Year Long Review

quiz

Worksheet

•

7th Grade

LIFT: Physical Science Semester Test

100 questions

LIFT: Physical Science Semester Test

quiz

Worksheet

•

7th - 9th Grade

Earth's Layers, Minerals, and Rocks

100 questions

Earth's Layers, Minerals, and Rocks

quiz

Worksheet

•

8th Grade

Periodic Table and Trend

100 questions

Periodic Table and Trend

quiz

Worksheet

•

8th Grade

Fall Semester 8th Grade Science Review

104 questions

Fall Semester 8th Grade Science Review

quiz

Worksheet

•

8th Grade

STAAR Review

108 questions

STAAR Review

quiz

Worksheet

•

KG - University