Podcast
Questions and Answers
Which of the following substances will melt easily when heated?
Which of the following substances will melt easily when heated?
- Wood
- Ice (correct)
- Plastic
- Steel
What is meant by a substance 'melting'?
What is meant by a substance 'melting'?
- Changing from solid to liquid state (correct)
- Changing from gas to liquid state
- Changing from solid to gas state
- Changing from liquid to solid state
How do the particles in a solid behave?
How do the particles in a solid behave?
- They move around randomly at high speeds
- They have large spaces between them
- They move freely and are not tightly packed
- They are tightly packed and vibrate in fixed positions (correct)
Why are the particles in a liquid able to move about more freely?
Why are the particles in a liquid able to move about more freely?
Why does a metal spoon left in a hot saucepan become hot but a wooden one does not?
Why does a metal spoon left in a hot saucepan become hot but a wooden one does not?
Which of the following appliances is NOT mentioned as a heat energy transfer device?
Which of the following appliances is NOT mentioned as a heat energy transfer device?
In which grade level was the concept of heat energy transformation covered?
In which grade level was the concept of heat energy transformation covered?
Heat energy always travels from a ________ object to a ________ one.
Heat energy always travels from a ________ object to a ________ one.
What happens to the phase of a substance when heat is removed from a liquid?
What happens to the phase of a substance when heat is removed from a liquid?
What is thermal equilibrium?
What is thermal equilibrium?
Which of the following is an example of conduction?
Which of the following is an example of conduction?
What is an insulator?
What is an insulator?
How does heat energy transfer occur between a metal pot and a stove?
How does heat energy transfer occur between a metal pot and a stove?
What happens to an object when heat is transferred out of it?
What happens to an object when heat is transferred out of it?
What are the three ways in which heat energy is transferred?
What are the three ways in which heat energy is transferred?
In which scenario does heat energy transfer occur through convection?
In which scenario does heat energy transfer occur through convection?
What happens to the temperature of two objects at thermal equilibrium?
What happens to the temperature of two objects at thermal equilibrium?
What is the process of heat transfer through electromagnetic waves called?
What is the process of heat transfer through electromagnetic waves called?
What is the process of heat transfer through direct physical contact between solid objects called?
What is the process of heat transfer through direct physical contact between solid objects called?
When heat energy is transferred between two objects at different temperatures, what is the point at which they reach an equal temperature called?
When heat energy is transferred between two objects at different temperatures, what is the point at which they reach an equal temperature called?
In which way does heat energy transfer occur when an ice block is put into a glass of warm water?
In which way does heat energy transfer occur when an ice block is put into a glass of warm water?
What is a material that does not conduct heat well called?
What is a material that does not conduct heat well called?
What is the transfer of heat energy between solid objects that are in direct physical contact with each other?
What is the transfer of heat energy between solid objects that are in direct physical contact with each other?
What is the point at which two objects, which started with different temperatures, reach an equal temperature?
What is the point at which two objects, which started with different temperatures, reach an equal temperature?
What is the most common way heat energy is transferred in a metal pot heated on a stove?
What is the most common way heat energy is transferred in a metal pot heated on a stove?
What happens to the temperature of an object when heat is transferred out of it?
What happens to the temperature of an object when heat is transferred out of it?
What is the transfer of heat energy through electromagnetic waves called?
What is the transfer of heat energy through electromagnetic waves called?
Which of the following substances will melt easily when heated?
Which of the following substances will melt easily when heated?
What is meant by a substance 'melting'?
What is meant by a substance 'melting'?
How do the particles in a solid behave?
How do the particles in a solid behave?
Why are the particles in a liquid able to move about more freely?
Why are the particles in a liquid able to move about more freely?
Why does a metal spoon left in a hot saucepan become hot but a wooden one does not?
Why does a metal spoon left in a hot saucepan become hot but a wooden one does not?
What happens to the phase of a substance when heat is removed from a liquid?
What happens to the phase of a substance when heat is removed from a liquid?
Heat energy always travels from a ________ object to a ________ one.
Heat energy always travels from a ________ object to a ________ one.
Which of the following appliances is NOT mentioned as a heat energy transfer device?
Which of the following appliances is NOT mentioned as a heat energy transfer device?
In which grade level was the concept of heat energy transformation covered?
In which grade level was the concept of heat energy transformation covered?
