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 happens when ice melts?
💡 Hint: Think about the state the ice changes to.
Question 2
Easy
Is cutting paper a physical change or chemical change?
💡 Hint: Consider if a new substance is formed.
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 physical change?
- Burning wood
- Melting ice
- Rusting iron
💡 Hint: Think about whether a new substance is created.
Question 2
True or False: Physical changes are always irreversible.
- True
- False
💡 Hint: Recall examples where the original substance can be returned.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Propose an experiment to observe both physical and chemical changes in a single scenario. Describe the changes and their classifications.
💡 Hint: Think about what happens during the process and how energy is involved.
Question 2
Compare and contrast physical and chemical changes in terms of energy. Provide examples for each.
💡 Hint: Focus on how energy interacts with the substances before and after each change.
Challenge and get performance evaluation