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 the purpose of the tester in Activity 11.3?
💡 Hint: Think about the components we use in the tester.
Question 2
Easy
Name one good conductor of electricity.
💡 Hint: Recall the liquids we tested.
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 liquid is a good conductor of electricity?
- Distilled Water
- Lemon Juice
- Vegetable Oil
💡 Hint: Recall our findings from the tests.
Question 2
True or False: Distilled water has high conductivity.
- True
- False
💡 Hint: What did we observe when testing distilled water?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Imagine you conducted an experiment with a liquid that showed no deflection on the compass needle. Propose a method to make that liquid conduct electricity and justify your approach.
💡 Hint: Think about what substances increase conductivity.
Question 2
You performed the experiment with sugar dissolved in water, but no deflection occurred. Explain why sugar doesn’t conduct electricity.
💡 Hint: Consider the difference between ionic and covalent substances.
Challenge and get performance evaluation