Worksheets6.1 HMH Mariana Trench
Total questions: 22
Worksheet time: 11mins
Choose the best definition of AUTONOMOUS -
able to operate on its own
controlled remotely by a human
dependent of human effort
Choose a synonym for GLIMPSE.
stare
spy
glance
sight
The robotic arm was controlled ____ to gather sand from the bottom of the trench.
autonomously
distinctively
closely
remotely
What is the base word of SUBMERSIBLE?
submarine
submerge
subnatural
subway
Choose an antonym of GLIMPSE
stare
peek
glance
create
Choose a synonym of VITAL.
essential
extra
voluntary
needless
Water is ___ to all living things.
useless
needless
insignificant
vital
A synonym for PREHISTORIC
modern
current
ancient
fresh
Choose an antonym of THRIVE.
shrivel
advance
bloom
flourish
Choose a synonym of THRIVE
succeed
decrease
lessen
shrivel
A ___ is a long, narrow groove or ditch.
pond
trench
fossil
lake
It states in the Mariana Trench, it states that if Mount Everest was placed in the Challenger Deep, its PEAK would be underwater. What does PEAK mean?
top
size
shape
weight
Which one of the author's point is best supported by information about anglerfish and flashlight fish?
special instruments allow humans to study the deep sea
humans cannot live in the rough conditions of the deep sea
some animals have adaptations that help them live in the deep sea
scientists are just beginning to understand animals
True or False: An informational text shares facts and examples about a specific topic.
True
False
True or False. An informational article always contains maps.
True
False
The deepest part of the Mariana Trench is named the Challenger Deep. How did the Challenger deep get its name?
it was named after the British Royal Navy ship that measured the ocean depths
its name comes from a machine whose weights extend to the bottom of the ocean
the name is related to the echo sound device that sends sound waves
it is named after the scientists who discovered the Islands
How example does the author use to explain the weight of the water pressure?
the water could fill many milk jugs
the water would press down with a weight lighter than a feather
the water would press down with a weight heavier than hundreds of elephants
the weight of a milk jug would be 8 pounds
____ is the production of light by a living organism.
flashlight
biology
luminous
bioluminescence
What type of text structure is used when the author discusses the measurements completed by Challenger I and Challenger II ?
problem and solution
compare and contrast
question and answer
cause and effect
What is happening at the bottom of the Mariana Trench?
the Puetro Rico Trench is being created
the bottom of the trench is moving toward the surface
a layer of puttylike rock is pressing into a lighter plate
a heavy plate is pressing into a lighter plate, causing the heavy plate to move down into the mantle
Explorer William Beebe describes the Mariana Trench as being as strange as ____.
Mars
the Milky Way
the Moon
Saturn
Why do U.S. Naval submarines use the Mariana Trench as an expressway?
the water is very clear
the depth makes it difficult for enemies to detect them there
the area provides a safe place from nature
the navy has mapped out the trench
