Physical science EOC

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance, resulting in the formation of new substances.

Front

What is an example of a chemical reaction?

Back

Placing a metal in an acid to create a gas.

Front

What type of reaction is represented by the equation 2Li + 2H2O -> 2LiOH + H2?

Back

Single replacement reaction.

Front

What is sound energy?

Back

Energy produced by vibrating sound waves, used in devices like speakers.

Front

What is sublimation?

Back

The change of state from a solid directly to a gas without passing through the liquid state.

Front

What is deposition?

Back

The change of state from a gas directly to a solid without passing through the liquid state.

Front

What is potential energy?

Back

The energy stored in an object due to its position or arrangement.

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

What is thermal energy?

Back

The total energy of all the particles in a substance, related to temperature.

Front

What is the difference between melting and freezing?

Back

Melting is the change from solid to liquid, while freezing is the change from liquid to solid.