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Worksheets

Post test Review

Total questions: 153

Worksheet time: 3hrs 31mins

Name
Class
Date
1.
Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
a)
c = the number of costumes
b)
d = the number of dances
2.
Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is independent?
a)
s = the number of students
b)
t = the number of treats
3.
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
a)
How fast Hayden reacted
b)
different sounds
c)
types of music
d)
Hayden
4.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
5.
Do roses grow more in height in partial or direct sunlight?
a)
independent
b)
dependent
6.

Dilcia wants to know how drinking milk affects how tall Monica grows. Which is the independent variable?

a)

Monica's growth

b)

drinking milk

7.

In an experiment, constants should always be

a)

different

b)

the same

c)

kind of the same

d)

none of the above

8.

This part of the experiment where the independent variable is not present. It serves as comparison.

a)

independent variable

b)

control

c)

dependent variable

d)

constants

9.

Mr. Fitch wanted to see how different types of music affected students' heart rates. He played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the dependent variable.

a)

classical music resulted in the highest pulse rate

b)

types of music

c)

students' heart rate

d)

Mr. Fitch

10.

Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find the best tissue brand. What would be 1 constant?

a)

amount of tissue

b)

type of tissue

c)

kleenex

d)

which one works better

11.

Nicolas wanted to see how high an ice cube would float in different temperatures of water. Identify the dependent variable.

a)

temperature of the water

b)

size of ice cube

c)

how high the ice cube floated

d)

amount of water

12.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
13.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
14.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
15.
How much of Earth's water is salt water?
a)
50%
b)
66%
c)
75%
d)
97%
16.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
17.
Number 2 in the water cycle diagram is ___________.
a)
The Sun
b)
condensation
c)
precipitation
d)
evaporation
18.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
19.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
20.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
21.

A water molecule has the chemical formula H2O. This means that the water molecule is made up of

a)

Two hydrogen atoms and one oxygen atom

b)

Two oxygen atoms and one hydrogen atom

c)

Two hydrogen atoms and two oxygen atoms

d)

Two molecules of water

22.

Capillary Action is key for

a)

Water moving from roots to leaves in plants

b)

Air moving from mouth to lungs

c)

Ice floating on water

d)

Water moving to lower areas

23.
What is water's technical name
a)
NaCl
b)
CO2
c)
H2O
d)
H2O2
24.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
25.
What produces surface tension?
a)
water
b)
capillary action
c)
adhesion
d)
cohesion
26.
Why does water move from the roots to the leaves of plants through the plants' tiny tubes?
a)
specific heat 
b)

capillary action

c)

atoms

d)
density
27.
A molecule in which opposite ends have opposite electric charges is a:
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
28.
Attractions between water molecules due to polarity are called:
a)
covalent bonds
b)
ionic bonds
c)
polar bonds
d)
hydrogen bonds
29.
The coldest layer.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
30.

What are the two most common gases in the atmosphere?

a)

Nitrogen and oxygen

b)

Oxygen and carbon dioxide

c)

Carbon Dioxide and methane

d)

Nitrogen and carbon dioxide

31.
Which statement is true?
a)
The troposphere has the highest temperature because of the distance from the Sun
b)
The troposphere has the highest pressure because gravity keeps the air down.
c)
The exosphere has the highest temperature because of the distance from the Sun
d)
The exosphere has the highest pressure because gravity keeps the air down.
32.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
33.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead
34.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
35.

Which of the following factors would most likely cause a hurricane to decrease in strength?

a)

increasing the number of large clouds

b)

moving toward tropical waters

c)

staying over a warm body of water for a long period of time

d)

moving over land

36.

Jet streams are long, wide air currents in the upper atmosphere. They often affect weather over large areas. In what direction do jet streams above North America usually flow?

a)

north to south

b)

east to west

c)

west to east

d)

south to north

37.

What type of weather will Florida expect when the front comes through?

a)

light rain or drizzle

b)

many days of rain, snow, or fog

c)

heavy precipitation or thunderstorms

d)

sunny, clear, and windy

38.

As you move towards the poles, what happens to temperature?

a)

temperature becomes hotter

b)

temperature becomes colder

39.

What imaginary latitude line divides our world into the northern and southern hemispheres?

a)

equator

b)

international date line

40.

Which climate zone gets the most sunlight and is the warmest?

a)

tropical

b)

temperate

c)

polar

41.
True or false?  Places near the ocean have less extreme weather conditions.
a)
True
b)
False
42.
What instrument measure air pressure?
a)
barometer
b)
thermometer
43.
What type of storm front is this? 
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
44.
What does symbol # 3 mean?
a)
stationary front
b)
occluded front
c)
warm front
d)
cold front
45.
Which most likely produces clear, cool weather?
a)
zero air pressure
b)
stable air pressure
c)
a low pressure system
d)
a high pressure system
46.
_____________ air is more dense and tends to sink
a)
cold
b)
warm
c)
moist
d)
dry
47.
Which type of front is pictured?
a)
Cold front
b)
Warm front
c)
Occluded front
d)
Stationary front
48.
Which type of front is pictured?
a)
Cold front
b)
Warm front
c)
Occluded front
d)
Stationary front
49.
What symbol is this?
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
50.
Which system results in rainy or stormy weather?
a)
high pressure
b)
low pressure
c)
hurricane
d)
weather system
51.
Which system results in drier, fairer weather?
a)
high pressure
b)
low pressure
c)
hurricane
d)
weather system
52.
When a cold front is approaching, what happens?
a)
warm air is pushing under cold air causing humid weather and lower temperatures
b)
warm air is pushing under cold air causing humid weather and higher temperatures
c)
warm air rises, cools, and causes rain and thunderstorms
d)
cold air is pushed over warm air causing rain and thunderstorms
53.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
54.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
55.

The amount of matter/atoms in an object is...

a)

volume

b)

mass

c)

density

d)

weight

56.

Which (3) of these are subatomic particles that form an atom? (choose 3)

a)

Protons

b)

Klingons

c)

Electrons

d)

Microns

e)

Neutrons

57.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

58.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

59.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
60.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
61.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

62.

What is this table

a)

Elemental Table of Periods

b)

Atomic Table of Atoms

c)

Periodic Table of Elements

63.

The number of protons in an atom is called the .....

a)

Mass

b)

Atomic Number

c)

Nucleus

d)

Orbital

64.

What is the name of this element?

a)

11

b)

Na

c)

Sodium

d)

20.98977

65.

How many protons does Potassium (K) have?

a)

19

b)

39

c)

20

d)

58

66.

The central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

67.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

68.

What is the atomic number for an element with 3 protons?

a)

2

b)

1

c)

3

d)

6

69.

A particle that moves around the nucleus is a(n)...

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

70.

In the modern periodic table, elements are arranged by:

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

71.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

72.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
73.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
74.
What is a watershed?
a)
Water in an area
b)
Water that flows into a river or stream
c)
Land that water flows over and through
d)
Water that is salty
75.
What is a partially enclosed body of water that has a mixture of salt water from the ocean and fresh water from rivers and streams?
a)
Estuary
b)
Watershed
c)
Tributary
d)
Bay
76.
What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?
a)
Runoff
b)
Storm Drain
c)
Surface Water
d)
Tributary
77.
What is a stream or river that feeds into a larger body of water?
a)
Tributary
b)
Estuary
c)
Bay
d)
Watershed
78.

The boundaries of a watershed are determined by ___________

a)

Elevation

b)

Soil type

c)

The amount of water that flows

d)

The kinds of organisms found in the area

79.

All water below the surface of land is called__________.

a)

water table

b)

watershed

c)

groundwater

d)

runoff

80.
A divide is 
a)
well in which water rises because of pressure
b)
Forms the boundaries of a watershed
c)
type of hot spring from which the water periodically erupts
d)
place where groundwater bubbles or flows out of cracks in the rock
81.
A loop like bend in the course of a river.
a)
meander
b)
oxbow lake
c)
alluvial fan
d)
delta
82.

The sides of a river where it floods during high flows of water

a)

Flood Plain

b)

Run Off

c)

Sidelines

d)

Watershed

83.

Which watershed is number 1 on the map?

a)

Gulf of Mexico

b)

North Carolina Sounds

c)

Chesapeake Bay

d)

All of the above

84.

What watershed is number 3 on the map?

a)

North Carolina Sounds

b)

Gulf of Mexico

c)

Chesapeake Bay

d)

All of the above

85.

What watershed is number 2 on the map?

a)

North Carolina Sounds

b)

Gulf of Mexico

c)

Chesapeake Bay

d)

All of the above

86.

A place where fresh water from rivers mixes with salt water from the ocean.

a)

Estuary

b)

Divide

c)

Wetland

d)

Tributary

87.

Streams and rivers (river systems) that combine and eventually flow into the a watershed.

a)

Tributary

b)

Wetland

c)

Estuary

d)

Watershed

88.
Our watershed is part of a larger watershed called - 
a)
Gulf of Mexico
b)
Mississippi Valley Watershed
c)
 Chesapeake Bay Watershed
d)
Abemarle Sound
89.

The small rivers in this diagram to connect together represent...

a)

Tributaries

b)

Run-off

c)

The Floodplain

d)

The Watershed Boundaries

90.

Which number best represents a floodplain?

a)

1

b)

2

c)

3

d)

4

91.

Which is an example of point source pollution?

a)

Littering

b)

Factory discharge going into the river

c)

Using pesticide

d)

Using fertilizer

92.

Which one is an example of Non-point source pollution?

a)

Littering

b)

Using pesticide

c)

Using fertilizer

d)

All the above

93.

Algal blooms cause dead/zones in water by

a)

depleting oxygen reducing the number of fish

b)

increasing the rate of oxygen making fish more healthy

c)

blocking the soon for photosynthetic organisms like phytoplankton

d)

None of these

94.

The rapid growth of algae, called an algal bloom, can lead to the formation of dead zones that cannot sustain aquatic life.  This is mainly because the algal bloom lowers the amount of

a)

chemical pollutants

b)

dissolved oxygen

c)

soluble salts

d)

freshwater runoff 

95.

The process by which rocks are broken down

a)

Weathering

b)

Deposition

c)

Erosion

d)

Sedimentation

96.

The process in which wind, water, ice or gravity transport rock fragments from one location to another

a)

Weathering

b)

Sedimentation

c)

Erosion

d)

Deposition

97.

The process in which sediment settles out (drops to the bottom) of the water or wind that is carrying it

a)

Weathering

b)

Erosion

c)

Sedimentation

d)

Deposition

98.

The MECHANICAL breaking down of rocks into smaller pieces is...

a)

Physical weathering

b)

Chemical weathering

99.

The breakdown and decomposition of rocks as a result of chemical reactions and processes

a)

Physical weathering

b)

Chemical weathering

100.

Acid rain slowly wearing away rock over time is an example of...

a)

chemical weathering

b)

physical weathering

c)

erosion

d)

deposition

101.

An avalanche is an example of...

a)

physical weathering

b)

chemical weathering

c)

erosion

d)

deposition

102.

Over long periods of time, deposition may change the Earth's surface by...

a)

forming new land features.

b)

washing away beaches.

c)

breaking down large rocks in to smaller ones.

d)

moving topsoil.

103.

A river wearing down canyon walls over time is an example of...

a)

physical weathering

b)

chemical weathering

c)

deposition

d)

erosion

104.

Small islands made of sediment called deltas form at the end of rivers

a)

weathering

b)

erosion

c)

deposition

105.

A plant takes root in a small crevice of rock, as the plant grows, its roots push on the edges of the rock, breaking it

a)

mechanical weathering

b)

chemical weathering

106.

Sand dunes are large piles of sand that can be found in the desert. What causes these sand dunes to form?

a)

water

b)

wind

c)

ice

d)

volcanoes

107.

How does freezing water cause the weathering of rocks? The freezing water

a)

keeps the rocks in place

b)

expands cracks and breaks rocks

c)

makes the rocks last longer

d)

causes rocks to fall in landslides

108.

This is an example of _____________________________.

a)

chemical weathering

b)

mechanical weathering

109.

Which planet is closest to Earth in size?

a)

Mercury

b)

Uranus

c)

Venus

d)

Mars

110.

Which is NOT a rocky planet?

a)

Earth

b)

Neptune

c)

Mercury

d)

Mars

111.

Hamea, Makemake, Ceres, and Eris are all

a)

dwarf planets

b)

meteoroids

c)

asteroids

d)

comets

112.

Which is the smallest celestial body in our Solar System?

a)

meteoroid

b)

planet

c)

dwarf planet

d)

asteroid

113.

Which is the largest celestial body in our Solar System?

a)

Jupiter

b)

Sun

c)

Saturn

d)

Mars

114.

The asteroid belt is found between

a)

The Sun and Mercury

b)

Neptune and Uranus

c)

Venus and Earth

d)

Mars and Jupiter

115.

What gas causes Uranus and Neptune to look blue?

a)

carbon dioxide

b)

methane

c)

sulfuric acid

d)

nitrogen

116.

Which planet is 4x bigger than Earth?

a)

Mars

b)

Neptune

c)

Saturn

d)

Jupiter

117.
Which planet is closest to the sun?
a)
Uranus
b)
Mercury
c)
Neptune
d)
Earth
118.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
119.

Where is the Asteroid Belt located in the Solar System?

a)

near Neptune

b)

between Mercury and Venus

c)

between Mars and Jupiter

d)

around the Sun

120.
A ball of ice and dust with a tail of gas and dust pointing away from the sun.
a)
Asteroid
b)
Comet
c)
Moon
d)
Meteor
121.
What model of the solar system states the sun is the center
a)
Geocentric Model
b)
Heliocentric model
c)
Biocentric modal
d)
Hydrocentric  model
122.
What model of the solar system states the earth is the center
a)
Geocentric Model
b)
Heliocentric model
c)
Biocentric modal
d)
Hydrocentric  model
123.

These planets are the?

a)

Inner(Rocky) planets

b)

Outer(Gas Giants) planets

124.

Select all that apply to the outer planets

a)

Small

b)

Made of gas

c)

Behind the asteroid belt

d)

Has rings

125.

Name this moon phase

a)

Waxing crescent

b)

Waning gibbous

c)

First quarter

d)

Last quarter

126.

Which answer only applies to Earth?

a)

Has an atmosphere

b)

Has Rings

c)

Has DRINKABLE water

d)

Is made of rocky surfaces

127.

What moon phase is this?

a)

New Moon

b)

Waxing Gibbous

c)

Waxing Crescent

d)

Waning Crescent

128.

What moon phase is this?

a)

First Quater

b)

Last Quarter

c)

Full Moon

d)

Waxing Gibbous

129.

Which planet has the strongest Gravitational pull and as a result the most moons?

a)

Saturn

b)

Jupiter

c)

Earth

d)

The Moon

130.

object in space made up of gases such as hydrogen and helium that produce light and heat

a)

planets

b)

stars

c)

comets

d)

asteroids

131.

a body or object in space that revolves around a star and has a spherical shape

a)

planet

b)

solar system

c)

star

d)

galaxy

132.

a cluster of stars, dust and gases that are held together with gravity

a)

solar system

b)

universe

c)

galaxy

d)

stars

133.

an object that revolves around a planet and reflects light from the sun

a)

Moon

b)

Star

c)

Earth

d)

Sun

134.

all of space and everything in it including the solar system, stars, planets, moons, etc.

a)

Space

b)

Universe

c)

Solar System

d)

Galaxy

135.

the first satellite successfully launched into space and would orbit the earth

a)

Voyager

b)

Sputnik 1

c)

Challenger

d)

Sputnik 2

136.

What's the name of the mission that allowed the first landing and walk on the moon?

a)

Apollo 1

b)

Apollo 11

c)

Apollo 101

137.

an artificial satellite, launched on November 20, 1998, on which astronauts can stay and visit. It is used for research and space exploration

a)

telescope

b)

International Space Station

c)

USA Space Station

d)

Russian Space Station

138.

What is this?

a)

telescope

b)

satellite

c)

rover

139.

What is this?

a)

telescope

b)

rover

c)

satellite

140.
a)

Mercury

b)

Uranus

c)

Mars

d)

Earth

141.

The sun, moon, and earth all rotate on an __________.

a)

Axle

b)

Axis

c)

Pivot

d)

Point

142.

The sun has no real...

a)

atmosphere

b)

depth

c)

surface

d)

timeline

143.

How long does it take for the moon to revolve around the earth?

a)

28 days

b)

31 days

c)

14 days

d)

28 months

144.

Which planet is furthest from the sun?

a)

Pluto

b)

Neptune

c)

Uranus

d)

Jupiter

145.

The ________ are caused by the moon.

a)

weather

b)

gravity

c)

tides

d)

night/day

146.

A person would weigh _________ on the moon.

a)

More

b)

Less

147.

Which moon phase occurs directly after the new moon?

a)

Waxing gibbous

b)

Full

c)

Waning crescent

d)

Waxing crescent

148.

The orbit of a planet around a star is an_____________.

a)

oval

b)

octogon

c)

ellipse

d)

equator

149.

Where is the Kuiper belt?

a)

Beyond border of Neptune

b)

Between Mars and Jupiter

c)

Just beyond our moon

d)

Outer reaches of Venus' atmosphere

150.

What's the difference in a comet and an asteroid?

a)

Comet contains ice

b)

Asteroid contains ice

c)

No difference

d)

Comets are located between Mars and Jupiter

151.

A chunk of rock or dust in space, generally smaller than an asteroid.

a)

Meteor

b)

Meteoroid

c)

Meteorite

d)

Asteroid

152.

A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.

a)

Meteoroid

b)

Meteor

c)

Meteorite

d)

Shooting star

153.

Meteoroid that passes through the atmosphere and hits Earth's surface.

a)

Meteor

b)

Meteorite

c)

Meteoroid

d)

Comet

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