Endothermic vs Exothermic Reactions

Eggs being cooked in a skillet is an example of an ____________ reaction because the eggs absorb heat (energy).

One of the products of combustion is heat. This means it is an example of an ____________ reaction.

During photosynthesis, plants absorb energy (heat) from the sun to break down the bonds in water and carbon dioxide. This process is an example of an _____________ reaction.

Lighting a match produces heat (energy) as the match stick burns. This is an example of an ____________ reaction.

As ice melts, energy is absorbed to break bonds and form water. Is this an example of an endothermic or exothermic reaction? Why?

Fireworks are made from a formula of chemicals that release energy (and heat) when they explode. Is this an example of an endothermic or exothermic reaction? Why?

Toothpaste breaks down acids in your mouth which releases energy. This is an example of an ____________ reaction.

Fireworks exploding is an example of an