Water's Special Properties
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Objective
I can describe why water is polar and describe the unique properties of water and their importance for living organisms.
Part 1 of 4
Warm-up video
Steve Gooler · 9:38
We don't generate video — this one is by Steve Gooler on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Water is a polar molecule, meaning it has an uneven distribution of charge and is electrically neutral.
- 2
Electrons spend more time orbiting the oxygen nucleus, making it slightly more negative, while the hydrogens become slightly more positive.
- 3
Cohesion is when water molecules are attracted to themselves, while adhesion is when water molecules are attracted to other polar substances, leading to capillary action and high surface tension.
Part 3 of 4
Practice
12 questions
What does it mean for a molecule to be polar?
Explain how the structure of a water molecule (H₂O) leads to its polar nature.
Part 4 of 4
Exit ticket
Quick comprehension check
“Explain why water is considered a polar molecule, and describe how this polarity leads to cohesion and adhesion. Provide a real-world example of how cohesion or adhesion benefits living organisms.”
Sample answer included in the free materials
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Teacher Guide
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