# Trilogy Physics: Particle Model of Matter Test

## 1. What is Meant by Internal energy?

• The sum of potential energy of the system and the systems kinetic energy
• The balance of Kinetic energy and Potential energy in the systems
• The sum of Potential energy in the systems kinetic force
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## 2. Change in thermal energy equation?

• Mass* specific heat capacity* Temperature change
• Mass* Kinetic energy* Specific heat capacity

## 3. Define Specific heat capacity?

• The heat required to raise the temperature of the unit mass of a given substance by a given ammount.
• The heat required to raise the temperature of the given object by a not given amount.

## 4. Define Density?

• Unit Per Mass Volume
• Mass Per Unit Volume
• Mass per Metres Kilograms
• Volume per Mass Unit

## 5. Define specific latent heat?

• The amount of energy per kg required to change ice to water without change in temperature
• The amount of energy per J required to change water to ice without changing the temperature