1.21: Deep Ocean and Hydrothermal Vents
Presentation
•
Science
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8th Grade
•
Medium
Standards-aligned
Nancy Osborne
Used 7+ times
FREE Resource
15 Slides • 7 Questions
1
2
Multiple Select
Oceans are important for which of the following reasons?
(Tick 4 correct options).
Ocean gives carbon dioxide
Oceans give us SALT, MARINE ANIMALS and MINERALS
Oceans affect climate
Oceans are the source of most EVAPORATION
Oceans are an important means of transport.
3
Multiple Choice
Salinity means _________
SALTINESS or the amount of salt present in a water body
the amount of carbon di oxide in air
salt pans
4
Multiple Choice
3. The process of changing water vapor (gas) into tiny droplets of liquid water in the atmosphere.
a. respiration
b. condensation
c. precipitation
d. evaporation
5
6
7
8
9
10
11
12
Multiple Choice
13
14
Multiple Choice
Organisms that can live in extreme environments are called:
hooligans
extremists
extremophiles
extremely rare
15
16
17
Multiple Choice
What generates the heat required to fuel hydrothermal vents?
The sun
Cold seeps
Volcanism
Underwater plants
18
19
Match
Cold seeps
Hydrothermal Vents
Extremophile
Alvin
Chemosynthesis
an area of the ocean floor that has a high concentration of energy rich nutrients
an opening in the sea floor out of which heated mineral-rich water flows
a microorganism that lives in conditions of extreme temperature,
a crewed deep-ocean research submersible
the synthesis of organic compounds by using energy derived from resources other than the sun
an area of the ocean floor that has a high concentration of energy rich nutrients
an opening in the sea floor out of which heated mineral-rich water flows
a microorganism that lives in conditions of extreme temperature,
a crewed deep-ocean research submersible
the synthesis of organic compounds by using energy derived from resources other than the sun
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