Heat Generation Quiz

The energy generated by friction between materials

The energy released during a chemical reaction

The energy required to increase the temperature of a material to its ignition point (correct)

The energy produced by an electrical spark

Open flame, electrical spark, friction, or chemical reaction (correct)

Sunlight, wind, water, or geothermal sources

Nuclear fission, nuclear fusion, geothermal sources, or chemical reaction

Friction, electrical spark, nuclear fission, or nuclear fusion

It becomes extremely cold

It can catch fire or ignite (correct)

It turns into a different material

It remains unchanged