Give an example for insulator?
Copper
Iron
Plastic
Aluminium
“When a layer of air receives enough heat from Earth's surface, it expands and becomes less dense. This layer is then pushed upward by buoyancy. The cool and heavy air sinks under this layer. This cycle repeats with the re-heating of the cool air.” The phenomenon described in the preamble is known as?
Convection
Conduction
Radiation
Induction
What is our normal body temperature?
370C
450C
500C
550C
Which thermometer is used to measure out body temperature?
Laboratory Thermometer
Clinical Thermometer
Fahrenheit heat thermometer
m a x i m u m - m i n i m u m thermometer
Which is example for conductors?
Water
Air
An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will?
flow from iron ball to water
not flow from iron ball to water or from water to iron ball.
flow from water to iron ball.
increase the temperature of both.
Heat is transferred from the hotter end to the colder end of an object is known as?
Vaporisation
Which heat transmission does not any medium?
The cool air from the land moves towards the sea is called?
Wind
Land breeze
Sea breeze
Gentle breeze
The warm air from the land moves towards the sea is called?
