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Questions and Answers
What is the definition of thermal?
What is the definition of thermal?
- Related to heat (correct)
- Related to volume
- Movement in all directions and at different speeds
- The ability to cause change
What is the movement of particles from an area of higher concentration to an area of lower concentration called?
What is the movement of particles from an area of higher concentration to an area of lower concentration called?
- Diffusion (correct)
- Collision
- Contraction
- Expansion
What is the ability to cause change defined as?
What is the ability to cause change defined as?
- Related to volume
- Related to energy
- The ability to cause change (correct)
- Related to thermal
Which term refers to the amount of space something fills?
Which term refers to the amount of space something fills?
What is the unit of energy used in science?
What is the unit of energy used in science?
Which phenomenon causes particles to occupy less volume?
Which phenomenon causes particles to occupy less volume?
What does temperature measure in a material?
What does temperature measure in a material?
On which scale does water boil at 212°?
On which scale does water boil at 212°?
What does the increase in a material's volume when particle motion increases represent?
What does the increase in a material's volume when particle motion increases represent?
How is kinetic energy related to the temperature of a substance?
How is kinetic energy related to the temperature of a substance?
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Study Notes
Thermal Energy
- Thermal refers to the relation between heat and temperature
Diffusion
- The movement of particles from an area of higher concentration to an area of lower concentration is called diffusion
Energy
- The ability to cause change is defined as energy
Volume
- The term that refers to the amount of space something fills is volume
Energy Unit
- The unit of energy used in science is joules (J)
Compression
- The phenomenon that causes particles to occupy less volume is compression
Temperature
- Temperature measures the average kinetic energy of particles in a material
Fahrenheit Scale
- On the Fahrenheit scale, water boils at 212°
Thermal Expansion
- The increase in a material's volume when particle motion increases represents thermal expansion
Kinetic Energy and Temperature
- Kinetic energy is directly related to the temperature of a substance, meaning that as temperature increases, kinetic energy also increases
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