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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is energy?
💡 Hint: Think about what allows things to move or change states.
Question 2
Easy
Name two forms of energy.
💡 Hint: Consider energy when an object is moving or at rest.
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 energy?
- The ability to hinder motion
- The capacity to do work
- Nothing at all
💡 Hint: It's what powers movement and change!
Question 2
True or False: Energy can be created and destroyed.
- True
- False
💡 Hint: Remember the law you just learned!
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A skateboarder at the top of a ramp (height = 3m) has a mass of 60 kg. Calculate their potential energy before they descend. Assume g = 9.81 m/s².
💡 Hint: Use the potential energy formula mgh.
Question 2
A car of 1200 kg is moving at a speed of 20 m/s. Calculate its kinetic energy.
💡 Hint: Substitute into the kinetic energy formula.
Challenge and get performance evaluation