Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of change occurs when ice melts?
💡 Hint: Consider whether a new substance is formed.
Question 2
Easy
Is cooking a chemical or physical change?
💡 Hint: Think about whether it transforms the ingredients.
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
What type of change occurs when rust forms on iron?
- Physical Change
- Chemical Change
- Physical and Chemical Change
💡 Hint: Recall that chemical changes involve new substance formation.
Question 2
True or False: Melting chocolate is a chemical change.
- True
- False
💡 Hint: Consider if the substance keeps its identity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the following scenarios, identify whether they are physical or chemical changes: burning wood, breaking a glass, boiling water, and rusting a car.
💡 Hint: Consider if new substances are formed.
Question 2
If an ice cube melts and then refreezes, can you describe what physical change occurs and its significance in everyday life?
💡 Hint: Think about how phase changes relate to real-world applications.
Challenge and get performance evaluation