Class 7 Exam > Class 7 Notes > Science Class 7 (Old NCERT) > Unit Test: Heat
Unit Test: Heat | Science Class 7 (Old NCERT) PDF Download
Time: 1 hour
Maximum Marks: 30
Attempt all questions.
Question numbers 1 to 5 carry 1 mark each.
Question numbers 6 to 8 carry 2 marks each.
Question numbers 9 to 11 carry 3 marks each.
Question numbers 12 & 13 carry 5 marks each.
Q1: Fill in the blank: The temperature of boiling water cannot be measured by a __________ thermometer. (1 Mark)
Q2: Which of the following is a poor conductor of heat? (1 Mark)
(i) Iron
(ii) Copper
(iii) Plastic
(iv) Aluminum
Q3: Match the following:
Q4: True or False: Dark-coloured clothes absorb more heat than light-coloured clothes.(1 Mark)
Q5: Which of the following is an example of heat transfer through convection? (1 Mark)
(i) Heating a metal rod in a flame
(ii) Boiling water in a pot
(iii) Feeling the warmth of the sun
(iv) Ironing clothes with a hot iron
Q6: What precautions should be taken while using a clinical thermometer? (2 Marks)
Q7: Explain the difference between conductors and insulators with examples.(2 Marks)
Q8: What happens when you dip a steel spoon in a cup of hot tea? Explain the process involved. (2 Marks)
Q9: List six precautions to be taken while reading a laboratory thermometer. (3 Marks)
Q10: Explain the three methods of heat transfer in detail and give one example for each. (3 Marks)
Q11: What are the differences between a clinical thermometer and a laboratory thermometer? (3 Marks)
Q12: Describe how you would perform an activity to demonstrate convection in water. (5 Marks)
Q13: Explain in detail Sea Breeze and Land Breeze. (5 Marks)
You can find the solutions of this Unit Test here: Unit Test (Solution): Heat
The document Unit Test: Heat | Science Class 7 (Old NCERT) is a part of the Class 7 Course Science Class 7 (Old NCERT).
All you need of Class 7 at this link: Class 7
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FAQs on Unit Test: Heat - Science Class 7 (Old NCERT)
| 1. What are some popular heat hobbies people can explore? |  |
Ans. Some popular heat hobbies include cooking and baking, grilling outdoors, woodworking, metalworking, and candle making. Each of these hobbies allows individuals to engage creatively while utilizing heat in various forms.
| 2. How can I safely engage in hobbies that involve heat? | |
Ans. To safely engage in heat-related hobbies, always wear appropriate protective gear, such as gloves and goggles. Ensure your workspace is well-ventilated, keep flammable materials away from heat sources, and follow all safety guidelines related to the specific hobby you are pursuing.
| 3. What equipment do I need for heat-based hobbies like grilling or metalworking? | |
Ans. For grilling, you'll need a grill, utensils, fuel (charcoal or gas), and food items. For metalworking, essential equipment includes a forge, anvils, hammers, safety gear, and various metalworking tools. The specific equipment can vary based on the hobby's complexity.
| 4. Are there any beginner-friendly heat hobbies I can start with? | |
Ans. Yes, beginner-friendly heat hobbies include baking simple recipes, using a hot glue gun for crafts, or basic grilling. These hobbies allow newcomers to learn the fundamentals of working with heat without requiring advanced skills or equipment.
| 5. How can I find a community or classes for my heat hobby? | |
Ans. You can find communities or classes for heat hobbies by checking local community centers, adult education programs, or online platforms like Meetup or Facebook groups. Additionally, many hobby-specific forums and websites offer resources and connections to local classes.
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