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3. What is thermal expansion and what does a substance do when it is going through thermal expansion?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
What do air particles do when the temperature increases?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
What has to happen to the temperature of two objects in order for one object to transfer heat to another object?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
Explain how running hot water over a jars metal lid could help you open it when it is stuck.
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
What type of heat transfer is occurring when you roast a marshmallow over a fire?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
2. What does the average kinetic energy of particles in a substance do when the substances temperature increases?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
What do materials do when they are heated?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
What is temperature?
They begin to move faster
The particles move faster, spread apart and the material expands
a substance gains heat (energy) causing the particles to move faster and spread apart. The substance expands.
The two objects must be different temperature
The average kinetic energy of the particles in a material
Heat makes the metal particles move faster and expand
Radiation
The average kinetic energy of the particles increases
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