Endothermic vs. Exothermic Reactions

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

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

When rust forms on nails, new bonds are formed and energy is released. This is an example of an _____________ reaction.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-2

Energy is released during the process of cellular respiration. This is an example of an ___________ reaction.

• endothermic

• exothermic

Tags

NGSS.MS-LS1-7

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

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

During evaporation, water absorbs heat so that bonds can break and water vapor forms. This is an example of an _____________ reaction.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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.

• endothermic

• exothermic

Tags

NGSS.MS-LS1-6

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

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

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

Tags

NGSS.MS-PS1-4

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?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS1-2