Properties of Ocean Water
Authored by Lacey Rains
Science
11th - 12th Grade
NGSS covered
Used 33+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What two elements make up water?
Helium and oxygen
Hydrogen and oxygen
helium and carbon
oxygen and carbon
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Attractions between water molecules are called
Covalent bonds
Ionic bonds
Polar bonds
Hydrogen bonds
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why does ice float?
As water freezes, it expands and its density decreases.
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which end of the water molecule has a slightly positive charge?
the oxygen end
the hydrogen end
both ends are slightly positive
neither end is positive
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which process does NOT lead to a decrease in the salinity of water?
runoff from land
precipitation
sea ice melting
evaporation
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which term refers to a rapid change of temperature with increasing depth of the ocean?
pycnocline
thermocline
abyssalocline
isothermal cline
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In addition to salinity, what factor affects the density of seawater?
depth
latitude
temperature
salt content
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