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 is a physical change? Give one example.
💡 Hint: Think of examples from your daily life.
Question 2
Easy
What happens during a chemical change?
💡 Hint: Consider what happens when food is cooked.
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 is a key feature of physical changes?
- New substances are formed
- No new substances are formed
- Energy is always released
💡 Hint: Consider processes like melting and freezing.
Question 2
True or False: Chemical changes are usually reversible.
- True
- False
💡 Hint: Think of examples like burning or cooking.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Describe a real-life scenario where both physical and chemical changes occur. Explain the changes in detail.
💡 Hint: Think about what happens to the candle as it burns.
Question 2
Discuss how the concepts of physical and chemical changes apply in the process of cooking food. Contrast these changes.
💡 Hint: Consider how ingredients transform and why some changes can be reversed while others cannot.
Challenge and get performance evaluation