Page 48 - Summary 6 2025
P. 48

Delta Modern Language Schools
Science department
Grade 6
1st term 2024- 2025

                    Heat can be transfered by :

     Conduction              Convection               Radiation

▪ When objects with      ▪ It happens due to     ▪ It happens through
                            the movement of
  different temperature     liquid or gas.          gases and space.

  touch each other.
▪ In solids only.

The speed of heat transfer increases when

  The difference in       Surface area of        Time of contact
temperature between      objects increases.      between objects

  objects increases.                45              increases.
   43   44   45   46   47   48   49   50   51   52   53