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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when ice melts?
💡 Hint: Think about heat.
Question 2
Easy
What is a reactant in a chemical reaction?
💡 Hint: Check the beginning of the reaction.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which of the following is a state change?
- Ice melting
- Burning wood
- Rusting iron
💡 Hint: Consider the phase of matter.
Question 2
Change in state can occur during a chemical reaction.
- True
- False
💡 Hint: Relate it to examples like rusting.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Discuss how energy changes during the melting and boiling points of water reflect changes in molecular motion.
💡 Hint: Think about particle arrangement in different states.
Question 2
Design an experiment illustrating a change in state, including the expected outcomes.
💡 Hint: Consider the changes happening to the ice physically.
Challenge and get performance evaluation