18 Questions
What is the structure of a water molecule?
A bent molecule with two hydrogen atoms bonded to a single oxygen atom at an angle
What is the polarity of a water molecule?
Polar, with a slight positive charge on the hydrogen atoms and a slight negative charge on the oxygen atom
Which of the following is NOT a state of water found on Earth?
Plasma (lightning)
What percentage of Earth's water is fresh water that is readily available for human use?
3%
How does water influence Earth's weather?
All of the above
How does water shape Earth's surface over time?
All of the above
What is the main reason for ice to float on liquid water?
Ice is less dense than liquid water.
How does the polarity of water molecules affect cohesion?
Increases cohesion in water.
Which property of water allows some insects to walk on still water?
Cohesion
What happens to the structure of water molecules when it freezes?
Molecules become more tightly packed together.
Why does water poured gently into a glass sometimes fill above the rim?
Cohesion holds the water molecules together.
Which term describes the property that holds molecules of different substances together?
Adhesion
What gives a water molecule its polarity?
Partial positive charge at one end and partial negative charge at the other end
How do water molecules interact with each other in a liquid state?
Positive end attracts negative end
Which planet in our solar system has abundant liquid water?
Earth
What causes liquid water to flow downhill?
Gravity
In which state does most of Earth's water exist?
Liquid
Which of the following shares the same chemical formula as liquid water?
Both water vapor and ice
Learn about the polarity of water molecules and their interactions in liquid form. Discover how the positive and negative charges at each end of a water molecule create a polar molecule that influences its behavior in a liquid state.
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