Conduction, Convection And Radiation Flashcards
0
Q
The hotter the object, ___ _____ _____ __ ____ ________ .
A
The more heat it will receive.
1
Q
Does heat travel in rays of all directions from the hot object?
A
Yes
2
Q
Dull and dark colours ____ radiation while bright and light colours _______ radiation.
A
Emit, reflect
3
Q
What happens during conduction?
A
Particles at the warm end move faster and this causes other particles to move until the whole object is warm.
4
Q
Three examples each of insulators and conductors?
A
Insulators: fur, wool, wood
Conductors: metals, liquids, glass
5
Q
Describe convection currents.
A
Hot air is pushed up by the cooler air around it and it forms a convection current.