CH 15 8th Grade Science Putman

Temperature is a measure of ____ of the particles in an object.

• the difference between the potential and kinetic energy
• the sum of the potential and kinetic energy
• the average potential energy
• the average kinetic energy

The lowest possible temperature is ____.

• –273°F
• 0ºK
• –273°K
• 0°

A liquid thermometer works because liquid ____ when warmed.

• expands
• Contracts
• liquifies
• solidifies 

The thermal energy of an object is ____.

• it's kinetic energy
• it's potiential energy
• its kinetic energy plus its potential energy
• it's kinetic energy minus it's potential energy

Heat is thermal energy transferred from one object to another because of a difference in ____.

• mass
• density
• cold energy
• temperature

Fast food restaurants keep food hot with infrared lamps. The heat is transferred to the food by ____.

• Radiation
• convection
• conduction
• nuclear fission

When a pot of water is put on a stove, the water at the top gets hot primarily by ____.

• radiation
• conduction
• convection
• incorporation

When a cold can of soda is insulated, the heat flow into the can on a hot day ____.

• increases
• stays the same
• is less than hot
• decreases

Water makes a good coolant because it has a ____.

• condensation
• evaporation
• low specific heat
• high specific heat

All objects emit ____ radiation.

• kinetic
• electromagnetic
• thermal
• solar