Warm Up Get a whiteboard and a marker With your group solve these questions on your whiteboard The temperature of a 4-kg ring rises by 20°C when 5,000 J is supplied to it. What is the specific heat of the metal? A computer uses 2,800 W of power when plugged into a wall socket that operates at a voltage of 450 V. What is the current flowing through the computer? How much energy is consumed in 30 minutes by a strand of Christmas lights with a resistance of 20 ohms when connected to a 30-V battery?

Jeopardy Come up with a school appropriate team name and write it small on the top of your board Send one student up to put your team name on the board Sit and show me your are ready to start. Put computers away!!!!!!!!!!!!!!!!!

Physical Science Jeopardy Thermal Energy Electric Power Electricity Circuits 100 200 300 400 500

Thermal Energy:100 The transfer of energy that does NOT require matter is _______. Radiation

Thermal Energy : 200 A device that converts thermal energy into mechanical energy is a __________. Heat Engine

Thermal Energy: 300 What is the transfer of thermal energy through direct contact of particles? . Conduction

Thermal Energy: 400 The thermal energy of an object is its __________+____________. kinetic energy + potential energy

Thermal Energy : 500 Specific heat is…. the amount of heat needed to raise the temperature of 1 kg of some material by 1°C.

Electric Power : 100 The rate at which electrical energy is converted to another form of energy is ______________. electric power

Electric Power: 200 The reason that electricity is so useful is that electrical energy is _______________ to other types of energy. easily converted

Electric Power : 300 The unit of power is ____________. watt (W)

Electric Power: 400 Electric power is calculated P=I V

Electric Energy: 500 Electric companies charge based on _______ ___________. Electric Energy

Electricity : 100 The flow of charged particles is ______________. an electric current

Electricity : 200 Resistance is measured in a unit called the ____. ohm

Electricity : 300 Lighting is……. a large discharge of static electricity

Electricity : 400 The accumulation of excess electric charge on an object is called ______. static electricity

Electricity : 500 A/An _____ is a material in which charges will not move easily, whereas a/an _____ is a material that allows charges to move about easily. insulator, conductor

Circuits : 100 What device designed to open an overloaded circuit and prevent overheating? circuit breaker

Circuits : 200 A circuit that has two or more separate paths for electrons to follow is a(n) _______. parallel circuit

Circuits : 300 electric circuit A closed loop or pathway that allows electric charges to flow is a…… electric circuit

Circuits : 400 This picture is of a series circuit

Curcuits : 500 Houses are wired with __________ ______________. parallel circuits

Chapter 5&6 Test TOMORROW!!!! Print notes Bring calculators End of Day Chapter 5&6 Test TOMORROW!!!! Print notes Bring calculators