Abeka 9th Science Quiz 11 L53

_____________ is the state in which there is no transfer of thermal energy between two objects.

• Thermal equilibrium
• Thermal expansion
• Thermal resistance
• Thermal conductivity

The ratio of an object's heat capacity to the object's mass is the __________.

• thermal conductivity
• heat transfer coefficient
• thermal resistance
• specific heat capacity

An object's internal energy caused by random motions of its individual molecules is its ________ energy.

• mechanical
• kinetic
• potential
• thermal

Gaps that allow a bridge to change length as the temperature changes are _______ joints.

• compression
• fixed
• pivot
• expansion

The device used to measure the heat of a process is a ________.

• calorimeter
• hygrometer
• barometer
• thermometer

_________ is the process by which heat flows through materials and between objects in direct contact.

• Convection
• Radiation
• Insulation
• Conduction

What is a device that bends in response to a temperature change?

• Bimetallic strip
• Capacitor
• Resistor
• Thermocouple

As water freezes, it _________.

• melts

• expands

• remains the same
• contracts

A 2.0g object loses 40.J of heat as it cools from 40 degrees to 35 degrees. What is the specific heat of the object?

Evaluate responses using AI:

OFF

An object gains 15J of heat and warms from 50 degrees to 65 degrees. Calculate its heat capacity.

Evaluate responses using AI:

OFF