Question

CLASS 7

I. Fill In The Blanks:
1) Heat is a form of energy that travels from a _______ object to a _______ object.
2) SI unit of heat is ________.
3) Black bodies’ ________ and emit heat the best.
4) Ice melts at ______ C.
5) A spoon kept in a cup of hot tea gets heated by _________.
spams = 100 answers reported*

Answer 1

Answer:

hot , cold (1)

joules (2)

absorbs (3)

At temperatures above 32°F (0°C), pure water ice melts and changes state from a solid to a liquid (water); 32°F (0°C) is the melting point. For most substances, the melting and freezing points are about the same temperature. (4)

convection (5)

Answer 2

1. one object to another object
2. joule
3. absorb
4. 0°C
5. conduction