Radiation Flashcards
-Name the type of heat all objects give off. -State what directions and how fast this type of heat can travel. -State whether or not particles are needed for this heat to move.
1
Q
How does heat travel by radiation?
A
Heat travels travels in straight lines at the speed of light through radiation.
2
Q
How do we get heat from the sun and what does this tell us?
A
We get heat from the sun through radiation , and there are no particles in space, this tells us radiation does not need particles to travel.
3
Q
The _____ of the ____ of an object, can affect how_____ it can radiate heat.
A
- colour
- Surface
- easily
4
Q
If you want something to keep its heat what colour should you paint it?
A
Shiny silver.
5
Q
Describe a type of surface that is good at absorbing heat
A
Matt Black
6
Q
Describe a type of surface that is good at radiating heat
A
Matt Black
7
Q
Describe a type of surface that is not good at radiating heat
A
Shiny silver
8
Q
What is another name for radiation
A
infrared
