Practice Did You Know? (6.4) - Chapter 1 : Matter - ICSE 8 Physics
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Did You Know?

Practice - Did You Know?

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary gas in our atmosphere?

💡 Hint: Think about what we breathe.

Question 2 Easy

What happens to water in a pressure cooker?

💡 Hint: What does the heat do to water?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What percentage of our air is nitrogen?

21%
78%
50%

💡 Hint: Think about what gas is most abundant in the atmosphere.

Question 2

Pressure cookers work by raising the boiling point of water through the use of:

High heat
High pressure
Both

💡 Hint: Consider how water behaves under pressure.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how nitrogen’s abundance in the atmosphere affects life on Earth.

💡 Hint: Consider how plants utilize nitrogen.

Challenge 2 Hard

Discuss the energy transitions involved in boiling and freezing.

💡 Hint: Think about temperature changes for liquids.

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