Podcast
Questions and Answers
Which state of matter has particles that are spread apart with high kinetic energies?
Which state of matter has particles that are spread apart with high kinetic energies?
- Liquid
- Plasma
- Solid
- Gas (correct)
What is the energy required for a substance to change state called?
What is the energy required for a substance to change state called?
- Potential Energy
- Kinetic Energy
- Activation Energy
- Latent Heat (correct)
Which component of an atom is located in the nucleus and has a neutral charge?
Which component of an atom is located in the nucleus and has a neutral charge?
- Electrons
- Protons
- Positrons
- Neutrons (correct)
What type of changes are changes in physical properties that can be reversed?
What type of changes are changes in physical properties that can be reversed?
In which state of matter do particles have intermolecular forces acting between them?
In which state of matter do particles have intermolecular forces acting between them?
What is the unit of pressure equal to a force of one Newton acting perpendicular to an area of one meter squared?
What is the unit of pressure equal to a force of one Newton acting perpendicular to an area of one meter squared?
What is temperature a measure of?
What is temperature a measure of?
Which model of the atom is sometimes referred to as the plum-pudding model?
Which model of the atom is sometimes referred to as the plum-pudding model?
What is Upthrust in a fluid equal to?
What is Upthrust in a fluid equal to?
What is weight defined as in physics?
What is weight defined as in physics?
What will happen to the particles' kinetic energies when the temperature of a substance increases?
What will happen to the particles' kinetic energies when the temperature of a substance increases?
Which term refers to the amount of energy required to change the state of one kilogram of a substance from solid to liquid, held at constant temperature?
Which term refers to the amount of energy required to change the state of one kilogram of a substance from solid to liquid, held at constant temperature?
In which state of matter do particles have strong intermolecular forces and are tightly packed together?
In which state of matter do particles have strong intermolecular forces and are tightly packed together?
What does the Rutherford Model describe about the atom?
What does the Rutherford Model describe about the atom?
When will an object sink in a liquid according to the text?
When will an object sink in a liquid according to the text?
Which term describes the direct change from a solid state to a vapor state without passing through the liquid phase?
Which term describes the direct change from a solid state to a vapor state without passing through the liquid phase?
What is the name for the energy needed to increase the temperature of one kilogram of a substance by one degree Celsius?
What is the name for the energy needed to increase the temperature of one kilogram of a substance by one degree Celsius?
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