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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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is melting?
💡 Hint: Think about ice turning to water.
Question 2
Easy
What happens during condensation?
💡 Hint: Consider the steam on a mirror after a shower.
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 the process of a substance changing from solid to liquid called?
- Boiling
- Melting
- Condensation
💡 Hint: Think about ice turning into water.
Question 2
True or False: Latent heat is the energy required for temperature change.
- True
- False
💡 Hint: Recall the definition of latent heat.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A heat process involves boiling 2 kg of water at 100°C. If the latent heat of vaporization is 2,260,000 J/kg, how much energy is required to turn the water to steam?
💡 Hint: Use the equation: heat = mass x latent heat.
Question 2
During a cooling process, 1 kg of steam at 100°C is condensed to water at the same temperature. How much latent heat is released?
💡 Hint: Think about the process of condensation using latent heat.
Challenge and get performance evaluation