Here are 10 One-Word Answer Type Questions from the topic Hot and Cold (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Hot and Cold
1. Question: What is the sensation we feel when we touch an object of high temperature?
• Answer: Hot
• Explanation: When an object has a high temperature, we feel it as hot on touching.
2. Question: What is the sensation we feel when we touch an object of low temperature?
• Answer: Cold
• Explanation: Objects with low temperature give a cold sensation when touched.
3. Question: What is the reliable measure of hotness of an object?
• Answer: Temperature
• Explanation: Temperature is the scientific measure of how hot or cold an object is.
4. Question: What device do we use to measure temperature?
• Answer: Thermometer
• Explanation: A thermometer is used to measure temperature accurately.
5. Question: Which sense organ helps us to feel hot and cold?
• Answer: Skin
• Explanation: Our skin helps us to feel whether an object is hot or cold.
6. Question: What is the temperature of boiling water in Celsius?
• Answer: 100
• Explanation: Water boils at 100°C under normal atmospheric conditions.
7. Question: What is the temperature of melting ice in Celsius?
• Answer: 0
• Explanation: Ice melts at 0°C under normal conditions.
8. Question: What is the name of the experiment used to show that our sense of touch can be misleading in judging hotness?
• Answer: Hand-dip
• Explanation: The hand-dip experiment shows that the same water may feel hot or cold depending on the prior condition of the hand.
9. Question: What is the medium through which heat is transferred by conduction?
• Answer: Solid
• Explanation: Heat is transferred by conduction only through solids.
10. Question: What term is used when heat flows from a hotter object to a colder one?
• Answer: Transfer
• Explanation: Heat transfer occurs from a hot object to a cold object until both reach the same temperature.
If you want, I can now prepare the next set from the topic Measurement of Temperature in the same one-word question format.
Shall I proceed?