Thermal Energy Quiz

What is the definition of thermal energy?

• The motion of molecules within a substance.
• The motion of atoms within a substance.
• The motion of atoms or molecules within a substance.

What is the definition of temperature?

• The average kinetic energy of the atoms or molecules within a molecule.
• The average kinetic energy of the atoms or molecules within a substance.
• The average kinetic energy of the atoms or molecules within a atom.

What is the definition of kinetic energy?

• Energy of motion.
• Energy of heat
• Energy of molecules.

What is the definition of a solid?

• Matter in which atoms are closely together and vibrate in a fixed position.
• Matter in which atoms are closely spaced and vibrate in a open position.
• Matter in which atoms are closely spaced and vibrate in a fixed position.

What is a liquid?

• Matter in which atoms are not moving around and bumping into each other.
• Matter in which atoms are constantly moving around and bumping into each other.
• Matter in which atoms are stagnant moving around and not bumping into each other.

Definition of gas

• Matter in which molecules vibrate so much that they are far apart.
• Matter in which atoms vibrate so much that they are building together.
• Matter in which atoms vibrate so much that they are far apart.

What is condensation?

• The process when matter loses thermal energy and changes from a gas to a liquid.
• The process when matter loses thermal energy and changes from a solid to a liquid.
• The process when matter loses thermal energy and changes from a liquid to a gas.

What is water vapor?

• Water in liquid form.
• solid in gas form.
• Water in gas form.

What is heat?

• The transfer of thermal energy from a hot area.
• The transfer of thermal energy from a hotter area to a colder area.
• The transfer of thermal energy from a colder area to a hotter area.

What is a chemical reaction?

• A process that creates new molecules from existing substances and can absorb or release thermal energy.
• A process that creates new atoms from existing substances and can absorb or release thermal energy.
• A process that creates new substances from existing substances and can absorb or release thermal energy.