What is a temperature that is warmer than -25*c but colder than -17*c?
-24*c, -18*c, -20*c, etc.
200
Is cooking reversible or irreversible?
irreversible
300
What is a boiling point?
The temperature where an object boils.
300
Give an example of radiation.
Sun light
300
What is room temperature?
21*c
300
How cold do most schools have indoor recesses?
-20*C
300
What helps penguins keep warm?
They have a warm layer of feathers that traps air and keeps them warm.
400
What is a conductor?
A substance through which heat travels.
400
Give an example of conduction
Burning your hand on a stove, or hold an ice cube.
400
What is the average temperature of the Sahara desert?
58*c
400
How cold is the average temperature in Antartica?
-89*c
400
What is the difference between an analog and a digital thermometer?
An analog thermometer is a glass tube filled with liquid that shows a temperature on a scale. A digital thermometer shows temperatures as a number. For example: 26.5*c
500
What is hypothermia?
Occurs when the body temperature is less than 35*c
500
Give an example of convection.
Air circulation in a room.
500
How hot is the centre of the sun?
15,000,000*C
500
How cold is absolute zero?
-273.15*C
500
You buy a box of ice cream and leave it in the car with a jacket over top of it. Is that smart?
It can be. If the jacket has not been recently warn, it will keep the ice cream from melting.