Physical Science U5 Study Guide

What is a heat engine

• device that converts thermal energy into mechanical energy

• study of relationships between heat, work and thermal energy

• device that transforms sun's radiant energy into thermal energy

• energy required to raise the temperature of a material by 1C

What is thermodynamics?

• device that converts thermal energy into mechanical energy

• study of the relationships between heat, work, and thermal energy

• device that transforms the sun's radiant energy into thermal energy

• thermal energy can be spontaneously transferred from a warmer location to a colder location

What is a solar collector?

• device that converts thermal energy into mechanical energy

• study of relationships between heat, work, and thermal energy

• device that transforms the sun's radiant energy into thermal energy

• energy required to raise the temperature of a material 1C

What states that thermal energy can be spontaneously transferred from a warmer location to a colder location?

• Second law of thermodynamics

• Solar collector

• First law of thermodynamics

• Heat engine

What is the energy required to raise the temperature of a material by 1C called?

• Heat engine

• Solar collector

• Specific heat

• Thermodynamics

What states that the change in thermal energy equals the heat minus the work added to the system?

• Heat engine

• Thermodynamics

• First law of thermodynamics

• Second law of thermodynamics

What states that thermal energy can be transferred from a cooler location to a warmer location only when work is done?

• First law of thermodynamics

• Second law of thermodynamics

• Thermodynamics

• Power

Which device burns fuel in chambers called cylinders?

• Internal combustion engine

• External combustion engine

• Heat pump

• Air conditioner

What is conduction?

• Transfer of thermal energy by collisions between particles that make up matter

• transfer of energy by electromagnetic waves

• a spoon in a cup of hot tea

• direct contact

What is convection?

• Transfer of energy by electromagnetic waves

• Transfer of thermal energy in a fluid by movements of warmer to cooler fluid

• Fluids and gases

• Direct contact