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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is matter?
π‘ Hint: Think of what you can touch or see around you.
Question 2
Easy
Name one example of a gas.
π‘ Hint: What do we breathe?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is matter?
π‘ Hint: Think about things you can touch.
Question 2
True or False: All gases have a fixed shape.
π‘ Hint: Consider what happens when you blow air into a balloon.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
You have a mixture of sand and salt water. Describe how you would separate them using their physical properties.
π‘ Hint: Think about how you usually separate solid materials from liquids.
Question 2
Explain why chemical changes are usually irreversible while physical changes can be reversed, using real-world examples.
π‘ Hint: Reflect on what happens during cooking versus simple changes in state.
Challenge and get performance evaluation