Heat A Form of Energy Molecules and Motion

Heat A Form of Energy

Molecules and Motion • The _____of molecules produces _____ • The _____motion, the _____heat is generated

Heat Transfer • The _______of _____from a _____object ___a _____one

Forms of heat transfer • _____forms of heat transfer: • __________ • _____

Conduction • Conduction involves the ______of ____through ______ • Heat _______conduct heat ____, insulators do ____

Convection • Takes place in ______and ______as molecules _____in ____ • Heat _____and cold ______to the bottom

Radiation • Heat is ____through ______ • Energy from the ____being transferred to the ____

Questions • What are three types of heat transfer? • How is conduction different from radiation?

What type of heat transfer is involved? • Heating a room with a fireplace • Egg cooking in a frying pan • Roof of a house becoming hot

What type of heat transfer? • Warm air mass bringing a change in the weather • Wire getting hot from an electric appliance

Temperature and Heat • ______energy is the energy of ______ • ____is the ______of the _______kinetic energy of an object

Question • How is kinetic energy related to heat production?

Thermometer • A _______used to measure _____ • Thermometers commonly have _______(with dye) or mercury • ______thermometers have replaced older ones

Celsius Scale • _______is the ______scale for measuring _______ • Water ______at ____and _____at ______

Kelvin scale • The _____scale is a _____temperature scale measured in Kelvin ____(K) • Formula (______)= Kelvin

Questions • What is the formula for converting a Celsius temperature to a Kelvin temperature? • What is the boiling point of water on the Kelvin scale? • What is the freezing point of water on the Kelvin scale?

Absolute zero • The _______in which ___molecular _____ (____)

Questions • Describe absolute zero. • What is absolute zero on the Celsius scale?

Measuring Heat • • _______in temperature _____of _____ A _______in temperature ____of heat