Conduction Convection

Question 1

Conduction

Answer 1

Metals are good conductors of heat energy nonmetals and gases are usually poor conductors poor conductors are called insulators

Question 2

Key point of conduction

Answer 2

Conduction and insulators nonmetals is only caused by passing vibrations from atom to atom

conduction in good conductors. Metals is caused by collision between fast moving free electron metal ions passing vibrations from atom to atom

conduction by collisions between fast moving free electrons is very much faster than conduction by passing vibrations from add to atom

metals are good conductors because they contain free electrons

Question 3

Investigating conductors

Answer 3

An experiment can be used to investigate which metals is best conductor of heat. It involves some long strips of different metals Vaseline throwing pins and a Bunsen burner.

Question 4

Convection

Answer 4

Heat can be transferred in liquids or gases by convection fluids liquid gases afterwards because they can be made to flow particles in these fluids can move place place convection occurs when particles with a lot of heat energy liquid gas move and takeaways of particles of less energy

Question 5

Convection and a liquid

Answer 5

Can be seen by putting a crystal of potassium per month in a bag of water and heating flame. The heat is initially transferred through the glass wall of the beaker by conduction.

Question 6

Convection movement thing

Answer 6

Expands becomes less dense and rises