Heat
What is heat?
A form of energy
What is temperature?
is the measure of the hotness or coldness of a body.
What state of matter does conduction occur best in?
Solid
In which state of matter does convection primarily occur?
Liquid
What is the primary source of radiation on Earth?
Sun
What is the unit of heat energy?
Joules
At what temperature does water boil at?
1000C
What type of material resists conduction?
Insulator
What is the circulating movement of fluids due to temperature differences called?
Current
What type of surface absorbs the most radiation?
Black
What process occurs when a solid turns into a liquid? (Melting)
Melting
At what temperature does alcohol boil?
780C
What metal is commonly used in electrical wiring for its conductivity?
Copper
What type of air rises during convection?
warm
What type of surface reflects the most radiation?
Shiny
What happens to most materials when they are heated?
Expand
What unit of temperature measured in?
Kelvin (k)
What happens to the temperature of an object during conduction?
Increases
What force causes cooler, denser fluid to sink?
Gravity
What type of radiation do humans emit?
Infrared
What device is used to measure heat energy?
Calorimeter
What colour flame indicates the hottest temperature?
Blue
What type of particles in metals are primarily responsible for heat conduction?
Electrons
What natural process causes wind to blow?
Heating
What colour objects emit more radiation, black or white?
Black