|A fire converts potential ____ energy into kinetic thermal energy.
|Velocity is vector quantity whereas speed is a ____ quantity.
|Your mass would be the ____ on the Moon as it is on Earth.
|Mass ____ acceleration equals force.
|An object must be ____ in order to have kinetic energy.
|Sound waves travel ____ through air than through water.
|Light cannot pass through an ____ substance.
|Gravitational ____ energy increases as height increases.