NEW
Font size
WorksheetsScience Check In 4th 9 Weeks
Total questions: 62
Worksheet time: 46mins
Which statement BEST describes an atom?
Atoms are the smallest particles of matter that are still elements
Atoms are composed of one or more elements in a fixed ratio.
Atoms are broken down by physical means into subatomic particles.
Atoms are tiny energy packets that produce a beam of light
Which is true for every atom of an element?
It can be seen with a magnifying glass
It is joined together with another atom.
It has mass and volume.
It is weightless.
Which list contains only objects made up of atoms?
steel, water, sand, dolphin
light, rock, apple, squirrel
palm tree, electricity, salt, air
paper, vinegar, heat, helium
At what temperature does water begin to boil?
0°C
32°C
100°C
212°C
The ice cubes in a freezer are melting.
Which change MOST likely is causing the ice cubes to melt?
a decrease in the mass of the ice cubes
an increase in the mass of the ice cubes
a decrease in the temperature inside the freezer
an increase in the temperature inside the freezer
At which temperature does water freeze?
0 degrees Celsius
32 degrees Celsius
100 degrees Celsius
212 degrees Celsius
The distance between atoms is often affected by temperature. The diagrams show water at three different temperatures.
Which order of the diagrams indicates DECREASING distance between atoms?
1, 2, 3
2, 3, 1
3, 2, 1
3, 2, 1
The meanings of mass and weight can often be confused.
Which is an example of a change in both mass and weight?
visiting the Moon
a stone eroding in a river
living on the space station
a ship floating on the ocean
This chart gives the physical properties of copper.
How does the density of a 4-g sample of copper compare to that of a 12- g sample of copper?
Its density is one-half the density of the 12-g sample.
Its density is the same density as the 12-g sample.
Its density is twice the density of the 12-g sample.
Its density is three times the density of the 12-g
Which phase of matter does not have a definite volume or shape, but does have a definite mass?
plasma
gas
liquid
solid
Which describes a property of all elements?
All elements are metals.
All elements have six electrons.
All elements are pure substances.
All elements exist in the solid phase.
A student put 200 milliliters (mL) of water into a pot, sets the pot on a burner, and heats the water to boil. When the pot is taken off the burner, it contains only 180 milliliters (mL) of water. What happened to the rest of the water?
It was used up
It condensed.
It was absorbed by the heat.
It turned into water vapor.
Which of the following has the ability to change the state of matter?
heat
wind
light
sound
Which element is a gas at room temperature?
iron
carbon
oxygen
sodium
The solubility of a substance is considered a __________________ property
reactivity
chemical
physical
toxicity
As temperature increases
the motion of the atoms stays constant
the motion of the atoms decreases
the motion of the atoms also increases
the motion of the atoms doesn't change
What statement about the liquids above is true?
water is the lease dense liquid in the picture
oil is more dense than rubbing alcohol and water
oil is more dense than rubbing alcohol, but less dense than water
water is more dense than rubbing alcohol, but less dense than oil.
Which of the following heat exchange processes involves the collision of particles?
insulation
conduction
convection
radiation
A brick exposed to sunlight becomes warm. How is energy from the Sun transferred to the brick?
convection
conduction
radiation
reflection
The main method of heat transfer occurring within water is called
conduction
radiation
convection
insulation
What is the primary source of energy on Earth?
the Sun
the Moon
water
rocks
Heat flows from warm objects to cooler objects until both objects are at
expansion
equilibrium
thermal
conduction
Thermal energy is transferred through a material by the collision of the ___________ within the material.
waves
atoms
crystals
light
Why does a floor covered with tile feel colder than a floor covered with carpet?
The tile floor is colder than the carpet.
The tile floor conducts heat better than the carpet.
The carpet conducts heat better than the tile floor.
The tile floor is a better insulator than the carpet.
In an investigation, water in an Erlenmeyer flask is placed on a hot plate.As the water is heated, the cooler, denser water at the surface sinks and pushes the warmer water to the top. What do the arrows in the drawing most likely represent?
phase changes
convection currents
electromagnetic radiation
energy transfer by conduction
Why does sound travel faster through a solid object than in the air?
The atoms in the solid object are farther apart than the atoms in the air
The atoms in the solid object are closer together than the atoms in the air.
The atoms are smaller in the solid object than the atoms in the air.
The atoms are larger in the solid object than the atoms in the air.
Which bar measures the wavelength of the wave?
bar W
bar X
bar Y
bar Z
Which points on the wave are the trough and the crest?
Point W is a trough; Point Y is a crest.
Point Y is a trough; Point W is a crest.
Point Y is a trough; Point X is a crest.
Point W is a trough; Point Z is a crest.
How are electromagnetic waves different from other waves?
They have very short wavelengths
They transmit energy instead of matter
They can travel through a vacuum and through matter
They can change direction by reflection when they strike an object.
What do waves carry through objects?
sound
light
energy
water
A substance that carries sound waves is called
a fulcrum
a medium
a spectrum
an equilibrium
Sound waves travel fastest in
air
iron
water
vacuum
Which of these colors of visible light has the shortest wavelength?
red
green
violet
yellow
Which statement best describes visible light?
Visible light occupies most of the electromagnetic spectrum and requires a medium for travel.
Visible light occupies most of the electromagnetic spectrum and can travel in a vacuum.
Visible light occupies a small part of the electromagnetic spectrum and requires a medium for travel.
Visible light occupies a small part of the electromagnetic spectrum and can travel in a vacuum.
What type of wave is a light wave?
longitudinal and mechanical
longitudinal and electromagnetic
transverse and mechanical
transverse and electromagnetic
Which contributes to Earth’s ability to sustain life?
The atmosphere allows all of the sun’s radiation to enter due to Earth’s distance from the sun.
The atmosphere prevents all space debris from reaching the surface due to the ozone layer.
The atmosphere is extremely thin due to the temperatures of the sun.
The atmosphere is breathable due to the unique mixture of gases.
Which of the following helps keep the Moon in its orbit?
friction
gravity
longitude
latitude
To which planet do National Aeronautics and Space Administration (NASA) scientists hope to send humans next?
Mars
Venus
Jupiter
Mercury
Which effect does the right angle alignment shown have on Earth?
There will be a solar eclipse on Earth.
A full Moon will be observed from Earth.
The high tides will be lower than normal on Earth.
An increased gravitational force will be exerted on Earth.
Which of the following is a direct result of Earth’s tilt on its axis?
tides
seasons
weather
gravity
How many times does the Moon rotate on its axis during a lunar month?
one
two
three
four
Which diagram shows the Moon when it is not visible from Earth?
A
B
C
D
Approximately how many times will Earth rotate during one revolution around the Sun?
1
28
365
1440
What is the basic composition of Earth’s core?
The solid inner core is surrounded by a liquid outer core.
The liquid inner core is surrounded by a solid outer core.
Both the inner core and the outer core are solid.
Both the inner core and the outer core are liquid.
At which location does the movement of tectonic plates form isolated volcanic islands, such as Hawaii?
transform boundary
divergent boundary
subduction zone
hot spot
Which of these tectonic plate boundaries is most likely to form a volcano?
a continental plate colliding with a continental plate
an oceanic plate sliding past a continental plate
a continental plate sliding past a continental plate
an oceanic plate colliding into a continental plate
Which piece of evidence supports plate tectonic theory?
plant fossils that are similar in size
the weathering and erosion of coastlines
new crust formed by seafloor spreading
rocks with different physical appearances
Which statement best explains why Iceland has so many active volcanoes?
Iceland overlies a boundary between two tectonic plates that are colliding
Iceland overlies a boundary between two tectonic plates that are moving apart
Iceland is on a single tectonic plate and is far from any plate boundaries
Iceland is on a single tectonic plate that is moving under another plate
During subduction, one tectonic plate is forced below another. The subducting plate is forced into the
asthenosphere
lithosphere
outer core
inner core
MOST of the volcanoes that make up the “Ring of Fire” were formed near what?
Hot spots
Subduction zones
Divergent boundaries
Normal faults
To which of the following phenomena do humans contribute the least?
plate tectonics
soil erosion
air pollution
deforestation
In what section of Earth do earthquakes happen?
crust
mantle
inner core
outer core
Which of these correctly lists Earth’s layers in order from the center to the surface?
outer core, inner core, asthenosphere, lithosphere
asthenosphere, lithosphere, outer core, inner core
inner core, asthenosphere, lithosphere, outer core
inner core, outer core, asthenosphere, lithosphere
The continental crust floats on top of the mantle because the crust is
less dense than the mantle
made of a liquid material
made up of oxygen which is a light element
separated from the mantle by a layer of water
The movement of crustal plates results from circulating currents in material beneath the crust of Earth. Which best describes the material which moves the crustal plates?
hot water
molten rock
liquid metal
solid iron
Which event most likely caused the formation of folded mountain ranges?
Tectonic plates on the earth pushed together
Tectonic plates on the earth pulled apart
Tectonic plates on the earth slid past each other
Tectonic plates on the earth broke into small pieces
The picture above shows how a type of rock forms at the bottom of the ocean. What type of rock is this?
basalt
igneous
sedimentary
metamorphic
Which environment would most likely have rich, fertile soil
a desert palin
a coastal beach
a rocky mountain peak
a flood plain
The table shows some of the characteristics of the soil in an area of land.Which characteristic of this area indicates that the soil was formed as a result of the interaction between organisms and their environment?
The area is flat.
The soil color is dark brown.
The soil contains humus.
The soil feels gritty.
Which best explains the relationship between parent rock and soil composition?
Weathered parent rock determines the number of organisms found in the soil.
Weathered parent rock determines the amount of air found in the soil.
Weathered parent rock is the largest component of soil.
Weathered parent rock is the smallest component of soil.
The finest-grained soils are richest in
sand
humus
clay
iron
Soil conservation officers inspect fields on four farms. Each farmer uses a different method to protect his fields. Which farm has methods that would BEST prevent soil erosion?
Farm A, where crops are planted in plowed, straight rows
Farm B, where each field is left unplanted every other year
Farm C, where different crops are planted in plowed rows each year
Farm D, where crops are planted within the remains of last year’s crops
