Thermal conductivity Good conductors of heat Bad conductors

Thermal conductivity • Good conductors of heat • Bad conductors of heat

5 th SCIENCE 10. Some properties of substances Sub Unit- 10. 1 Introduction 10. 2 Thermal conductivity 10. 3 Electrical conductivity 10. 4 Magnetism

Good conductors of heat • Substances that have the capacity to carry heat are called good conductors of heat • Ex. steel, copper, iron etc

Bad conductors of heat • Substances that do not have the capacity to carry heat are called bad conductors of heat. • Ex. plastic , wood rubber, cloth

Electrical conductivity • Good conductors of Electricity. • Bad conductors of Electricity

Good conductors of Electricity • Substances that have the capacity to carry Electricity are called good conductors of Electricity Ex. steel, copper, iron etc

Bad conductors of Electricity • Substances that do not have the capacity to carry Electricity are called bad conductors of Electricity. • Ex. plastic , wood rubber, cloth plastic Acrylic

Magnetism • Non magnetic substances • Magnetic substances

Magnetic substances Iron • Substances which are attracted to a magnet are called Cobalt magnetic substances • Ex. Iron , Cobalt, Nickel

Non-Magnetic substances Plastic • Substances which are not attracted to a magnet are called nonmagnetic Aluminium substances • Ex. Plastic , Aluminium, gold

The Magnetic Belt • Used to separate iron from trash

Q 1)name two good and two bad conductors of electricity. • good conductors of Electricity • Ex. Steel , copper, iron etc • bad conductors of Electricity. Ex. plastic , wood rubber, cloth

• Reference – Text Book, Web.

Rayat Shikshan Sanstha , Karmveer Vidhyaprabhodhini Madhya Vibhag , Satara • Created By –