Result:
   
       
1/10
       
1. Which heats up faster when placed in the sun at the same time:
   
   
       
Water
       
Sand (Land)
       
Both equally
       
Air
   
   
       
2/10
       
2. The material used to reduce heat loss in a Hot Box:
   
   
       
Aluminum
       
Thermocol
       
Iron
       
Plastic
   
   
       
3/10
       
3. What prevents heat loss via conduction in a thermos flask:
   
   
       
Silver coating
       
Insulating vessel / Glass
       
Vacuum space
       
Steel cover
   
   
       
4/10
       
4. Which heat transmission is prevented by the vacuum double wall in a thermos flask?
   
   
       
Radiation only
       
Conduction only
       
Convection only
       
Convection and Conduction
   
   
       
5/10
       
5. Which heat transmission is prevented by the silver-plated part in a thermos flask?
   
   
       
Conduction
       
Convection
       
Radiation
       
Evaporation
   
   
       
6/10
       
6. The surface that reflects radiation the most:
   
   
       
Black surface
       
White and smooth surface
       
Rough surface
       
Dark surface
   
   
       
7/10
       
7. What happens to molecules during convection?
   
   
       
Displacement occurs
       
No displacement
       
Expands
       
Solidifies
   
   
       
8/10
       
8. Does displacement of molecules occur during conduction?
   
   
       
Yes
       
No
       
Sometimes
       
Only in liquids
   
   
       
9/10
       
9. Where do molecules move when liquids are heated?
   
   
       
Downwards
       
Upwards
       
Sideways
       
Do not move
   
   
       
10/10
       
10. Thermocol is used to make ice boxes because it is a ______ .
   
   
       
Good conductor
       
Poor conductor (Insulator)
       
Hard material
       
Heavy material