WorksheetsChapter 9 CKLA Unit 5 Grade 4
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the main purpose of exploring deep-sea environments?
a)
To find new species of fish
b)
To study the effects of pollution
c)
To understand the ocean better
d)
To find sunken treasure
2.
What is one challenge of studying seamounts and ocean trenches?
a)
The lack of interest from scientists
b)
The extreme depth and pressure
c)
The lack of available technology
d)
The lack of funding for research
3.
How do tectonic plates contribute to the formation of mountains on land and underwater?
a)
By eroding and shaping existing landforms
b)
By melting and creating new land
c)
By colliding and pushing up landmasses
d)
By moving apart and creating rifts
4.
What is the main factor that creates the extreme conditions near hydrothermal vents?
a)
Strong ocean currents
b)
Lack of sunlight
c)
Low water temperature
d)
High water pressure
5.
What is the average depth of the ocean compared to the depth of the Mariana Trench?
a)
The Mariana Trench is deeper than the average depth of the ocean
b)
The Mariana Trench is the same depth as the average depth of the ocean
c)
The Mariana Trench is shallower than the average depth of the ocean
d)
The Mariana Trench is 7 miles deep
6.
What is the average temperature of the water at the bottom of the Mariana Trench?
a)
Boiling hot
b)
Room temperature
c)
Below freezing
d)
A few degrees above freezing
7.
What types of organisms are commonly found on and around seamounts?
a)
Deep-sea corals and sponges
b)
Turtles and dolphins
c)
Sharks and whales
d)
Jellyfish and octopuses
8.
Which of the following is NOT a type of organism that lives on or around seamounts?
a)
Sharks
b)
Polar bears
c)
Coral
d)
Fish
9.
What is the main purpose of seamounts in relation to deep-sea life?
a)
To regulate ocean currents
b)
To act as a food source
c)
To create new land
d)
To provide shelter for fish
10.
What types of animals are commonly found near hydrothermal vents?
a)
Sharks and whales
b)
Giant tube worms and crabs
c)
Turtles and dolphins
d)
Jellyfish and octopuses
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