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WorksheetsEARTH SCIENCE
Total questions: 60
Worksheet time: 30mins
A big city is a ____________ place, with many different sections.
contact
complex
control
condominium
The store sells _____________ items like TVs, computers, and phones.
electronic
elevation
explore
elephant
The _____________ of the lake was very smooth, without any waves.
trench
pressure
surface
release
The farmers dug a _____________ to carry rainwater to their fields.
trench
ocean floor
float
complex
If you put a lot of ______________ on glass, it will break.
release
survey
monitor
pressure
The mountain known as K2 has an _______________ of 28,251 feet (8,611 meters).
explore
ocean floor
electronic
elevation
In that factory, a ______________ now does work that people once did.
raspberry
rambutan
rabbit
robot
Researchers in Japan wanted _____________ to explore the bottom of the Mariana Trench.
Kaiko
Kiako
Kayko
Keiko
Compare this depth to the height of _______________, Earth's highest mountain.
Mount Everless
Mount Eienstyle
Mount Everest
Mount Everrest
In 1960, Jacques Piccard of ____________ and Donald Walsh of _____________ traveled to the trench bottom in a submarine named Trieste.
Canada, the United States
Switzerland, the United States
the United States, Switzerland
the United States, Canada
The first successful trip to the bottom of the trench was on ___________________.
March 20, 1995
March 22, 1995
March 24, 1995
March 26, 1995
Which one is not the living thing that the robot brought back to the scientists?
slippers
worm
shrimp
sea cucumber
How does the depth of the Mariana Trench compare to the height of Mount Everest?
Its depth is the least than the height of Mount Everest.
Its depth is less than the height of Mount Everest.
Its depth is about the same as the height of Mount Everest.
Its depth is greater than the height of Mount Everest.
How did the robot get 180 living things to bring back to the researchers?
It planted a plaque.
It took samples.
It took pictures.
It took a long time.
When did the robot first reach the bottom of the Mariana Trench?
1995
1996
1997
2002
Scientists used the robot to explore the ocean floor.
TRUE
FALSE
No animals or plants can live in the deepest place on Earth.
TRUE
FALSE
It is about 7 miles below ______________________.
sea level
elevation
ocean floor
monitored
Scientists _______________ the robot and controlled its movements by using electronic equipment.
trench
pressure
explored
monitored
It was a _____________ with no one inside.
electronic
depth
robot
extreme
A ______________ in the ocean carried the ship to Mexico.
satellite
current
spill
toxin
The TV reviewer did not ________________ how the movie ended.
reveal
process
flow
region
Plastic does not ________________ very quickly, so it collects in the ocean.
reveal
break down
disposable
spill
Most people forget that water is a __________________, known as H2O.
organic
flow
chemical
expert
He is an _______________ on the plays of William Shakespeare.
toxin
bacteria
expert
oceanographer
Putting _______________ material into your garden makes the soil richer.
process
current
disposable
organic
They brought _________________ plates and cups to the picnic.
disposable
satellite
current
toxin
Some scientists think a huge sea of plastic is as large as _____________________.
China
the United States
Hawaii
California
Soup of plastic garbage was thick with billions of tiny plastic pieces the size of _________________.
bath toys
shopping bag
apple seeds
sports shoes
A pattern of winds and currents, called _______________, gathers this garbage.
the Ocean of plastic
the Great Garbage Patch
the clockwise
the North Pacific Gyre
In fact, many plastic items, such as knives and forks, are designed to be ________________.
chemicals
branches
bacteria
disposable
Why didn't satellite pictures show the patch?
The movement of the objects revealed where currents flow in some parts of the Pacific.
The patch is too big and too deep to clean up.
It is washed into the ocean from cities beside the Pacific.
It hides under the ocean's surface.
In 1997, Moore found a garbage patch in the ocean by accident.
TRUE
FALSE
Moore is now trying to remove the plastic from the garbage patch.
TRUE
FALSE
What was Moore doing when he discovered the garbage patch?
conducting research
sailing home
sailing in a race
having breakfast
Where does most of the plastic in the patch come from?
ships
cities
animals
region
Why is the Great Garbage Patch a big problem?
The plastic in it can harm animals.
Boats cannot move through it.
It contains no real food for animals.
It make people more aware of it.
Some ___________________ questioned Moore's findings.
Oceanographers
teachers
doctors
sailors
Once, most of the garbage in the patch was ________________, made of natural materials.
organic
inorganic
disposable
trapped
These poisonous ___________________ may build up in the animals and kill them.
satellite
organic
chemicals
currents
cycle is _____________________.
To start something that become permanent later
To make something begin to burn
A number of related events that happen again and again in the same order.
Very strong
Ash is ________________________.
An uncontrolled fire in a field or a forest
A bright flash of light in the sky during a storm
A big fire
A dark gray powder left after something has burned
Blaze is ________________________.
A big fire
Very strong
Plants
A small objects
Chop is ___________________.
A dark gray powder left after something has burned
To hit something with a sharp tool in order to cut it
A small object that a plant can grow from
Violent weather with very strong, circular winds
To start something that becomes permanent later: _____________________.
establish
flame
lightning
survive
Weather with bright flashes of light and loud sounds: ____________________.
lightning
tornado
thunderstorm
flame
Very strong: ________________.
set fire to
cycle
vegetation
intense
It was ______________, in the American West. The worst wildfire in U.S. history, called the Big Burn, was roaring toward Ed Pulaski and his crew of firefighters.
August 1909
August 1910
August 1913
August 1915
The intense heat cooked _______________ alive in the rivers.
fish
crabs
eel
coral
Many wildfires start during dry thunderstorms that occur in the mountains in ___________________.
the summertime
the winter
the autumn
the spring
Even though Pulaski could hardly see, he managed to find an opening in the earth. It was the entrance to ____________________.
an old swimming pool
an old mine
an old pond
an old hole
The firefighters remember him daily as they face forest fires. Their main hand tool, which combines a chopping end with a digging end, is called _________________.
a pulaski
an Ed Pulaski
a Wallace
a Big Burn
Ed Pulaski believed wildfires are good and should not be fought.
TRUE
FALSE
An underground mine protected Pulaski's men from the flames.
TRUE
FALSE
How do wildfires fit into natural processes?
They prevent people from settling in natural areas.
They help cause dry thunderstorms.
They make room for new trees to grow.
They fight the fire at the mine entrance.
How did new settlers differ from American Indians?
They fought wildfires.
They live in the West.
They learned to live with wildfires.
They protect their from others in the mine.
Why did Pulaski grab his gun?
To fight the fire at the mine entrance.
To keep his men from leaving the mine.
To protect his men from others in the mine.
To fight wildfires.
A really strong tornado ________________ the town.
planted
coverd
set
struck
Ed Pulaski was ____________________ with ashes, and he was not moving.
covered
struck
trees
set
The farmer ________________ seeds in the fields.
planted
trees
struck
covered
