True or False: Bonds are broken or formed when physical changes occur.

If energy is released when bonds are broken during a reaction, the reaction is...?

Of the following states of matter, which requires the most energy to remain in that state: liquid, gas, solid, or plasma

Is the following an example of an endothermic or exothermic reaction: Turning liquid water into ice.

The law of conservation of energy states that energy is always __________?

An exothermic reaction is represented by_______?

Burning wood, mixing baking soda with vinegar, are examples of _________ changes.