Practice A1.1 Water (2) - Theme A: Unity and Diversity - IB 11 Biology
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A1.1 Water

Practice - A1.1 Water

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the chemical formula for water?

💡 Hint: Think of the number of hydrogen atoms bonded to one oxygen atom.

Question 2 Easy

What property allows water to resist temperature changes?

💡 Hint: This property is crucial for maintaining stable environments.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main reason ice floats on water?

Ice is heavier than water
Ice is less dense than water
Ice absorbs heat

💡 Hint: Remember the unique properties of water.

Question 2

True or False: Water has a higher specific heat than most liquids.

True
False

💡 Hint: Think about how water stabilizes temperatures in living environments.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a lake in winter that freezes over. Discuss the implications of water's density anomaly on the aquatic ecosystem beneath the ice.

💡 Hint: Think about the layers of temperature and how they interact with living organisms.

Challenge 2 Hard

Evaluate the importance of water's high specific heat in climate regulation compared to other substances.

💡 Hint: Consider the implications on weather patterns and living conditions across the globe.

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Reference links

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