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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is heat?
π‘ Hint: Think about what happens when you place your hand on a hot surface.
Question 2
Easy
How is temperature measured?
π‘ Hint: Consider common tools used in cooking.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary difference between heat and temperature?
π‘ Hint: Consider how heat moves between objects.
Question 2
True or False: Latent heat is involved when a substance changes temperature.
π‘ Hint: Think about what happens during melting or boiling.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
A 500g ice cube at -10Β°C is placed in a hot water bath at 70Β°C. Calculate the total heat energy required to melt the ice and then raise the temperature of the resulting water to 25Β°C. Given that the latent heat of fusion for ice is 334000 J/kg, and the specific heat capacity of water is 4184 J/kgΒ·K.
π‘ Hint: Break down each step carefully, remembering to convert grams into kilograms.
Question 2
Discuss how the greenhouse effect relates to latent heats in meteorological phenomena like fog or rain.
π‘ Hint: Connect the concepts of heat absorption and release with real-life weather events.
Challenge and get performance evaluation