1) Write the equation for calculating efficiency a) a b) b c) c 2) The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer? a) Radiation b) convection c) radiation 3) Warm air rises and the cool air sinks demonstrates this type of heat transfer. a) radiation b) conduction c) convection 4) Heat transfers from an area of ____temperature to an area of ___ temperature. a) hot-cold b) higher-lower c) lower-higher 5) A hot rock is dropped into a pail of cool water. Heat energy transferred from the rock to the water by a) conduction b) radiation c) convection 6) The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of a) conduction b) convection c) radiation 7) When you use a microwave, what is the main way that heat is transferred? a) radiation b) convection c) conduction 8) What is the energy of particles vibrating in a material called? a) Internal energy b) potential energy c) magnetic energy 9) If an object has particles that are moving very quickly, the object 's temperature is probably (a) . a) HOT b) COLD 10) Describe how energy transfer occurs through metal pans when they are heated a) Through vibration of particles b) Through movement of particles around c) Through the convection current created by the particles

KS3 Energy

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