Answer the following questions.
1. What does it mean to be a good heat insulator?
2. Give at least two examples of good heat insulators. How are they helpful to us in our daily life?
3. Why air is a good insulator of heat?
Answers
Answer:
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Explanation:
1] Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an insulator. Wood, plastic, rubber, and glass are good insulators.
2] Some common insulators are glass, air, plastic, rubber, and wood.
They helpful to us in our daily life like:-
Water bottle.
Doors of refrigerator
Handle of iron press
Handles of utensils
Electric screw driver
3] Air is a good insulator because it is a gaseous substance, therefore its spread-out molecular configure resists heat transfer to some degree. ... This small space of air between the two layers of glass reduces the ability of heat transfer via convection.
1] Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an insulator. Wood, plastic, rubber, and glass are good insulators.
2] Some common insulators are glass, air, plastic, rubber, and wood.
They helpful to us in our daily life like:-
Water bottle.
Doors of refrigerator
Handle of iron press
Handles of utensils
Electric screw driver
3] Air is a good insulator because it is a gaseous substance, therefore its spread-out molecular configure resists heat transfer to some degree. ... This small space of air between the two layers of glass reduces the ability of heat transfer via convection.