7th Grade_ Exo and Endothermic Reactions

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature.

Tags

NGSS.HS-PS1-4

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings, resulting in an increase in temperature.

Tags

NGSS.HS-PS1-4

Front

How does an endothermic reaction feel to the touch?

Back

An endothermic reaction feels cold to the touch because it absorbs heat from the surroundings.

Tags

NGSS.HS-PS3-4

Front

How does an exothermic reaction feel to the touch?

Back

An exothermic reaction feels hot to the touch because it releases heat to the surroundings.

Tags

NGSS.HS-PS3-4

Front

What is an example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood or gasoline, is an example of an exothermic reaction.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Front

What is an example of an endothermic reaction?

Back

Photosynthesis in plants is an example of an endothermic reaction, as it absorbs sunlight to convert carbon dioxide and water into glucose.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Front

What type of reaction occurs in a hand warmer?

Back

A hand warmer typically involves an exothermic reaction that releases heat to warm the hands.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Front

What is the role of heat in exothermic reactions?

Back

In exothermic reactions, heat is released as a product, increasing the temperature of the surroundings.

Tags

NGSS.HS-PS1-4

Front

What is the role of heat in endothermic reactions?

Back

In endothermic reactions, heat is absorbed from the surroundings, decreasing the temperature of the surroundings.

Tags

NGSS.HS-PS1-4

Front

What is cellular respiration? Is it endothermic or exothermic?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. It is an exothermic reaction.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5