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 nuclear fusion?
💡 Hint: Think about how the Sun generates energy.
Question 2
Easy
Name a fusion process that occurs in the Sun.
💡 Hint: It involves fusing hydrogen nuclei.
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 do stars primarily use for energy during the main sequence?
- Fission
- Fusion
- Chemical Reactions
💡 Hint: Think about the process powering the Sun.
Question 2
True or False: The CNO cycle is predominantly used in low-mass stars.
- True
- False
💡 Hint: Recall which stars use the proton-proton chain and which use CNO.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the energy released in the fusion of 4 protons into one helium-4 nucleus. Consider the mass defect if needed.
💡 Hint: Remember to convert mass defect into energy using E=Δmc²!
Question 2
Discuss the implications of achieving D-T fusion energy on Earth's energy crisis.
💡 Hint: Consider both environmental and energy security aspects.
Challenge and get performance evaluation