Exothermic and Endothermic

True or false: Exothermic reactions mostly absorb energy.

• True

• False

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

True or false: Exothermic reactions mostly release energy.

• True

• False

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

The bag you made in class that felt cold afterwards was an example of an...

• Exothermic chemical reaction

• Endothermic chemical reaction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The energy absorbed by endothermic reactions is used to...

• form chemical bonds between atoms that release a lot of energy when they're formed

• break chemical bonds that require a lot of energy to break

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Cooking bacon as it absorbs heat and watching it change color and smell is a good example of an...

• Exothermic chemical reaction

• Endothermic chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Burning sugar is an example of which reaction?

• Endothermic

• Exothermic

• Neither

Combustion (fireworks, explosions, burning, etc.) is an example of which reaction?

• Endothermic

• Exothermic

• Neither

Tags

NGSS.MS-PS1-4

When the temperature increases, it is an _______ reaction.

• Exothermic

• Endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which reaction releases energy?

• Exothermic

• Endothermic

Tags

NGSS.MS-PS1-4

The rusting of iron is an example of which reaction?

• Endothermic

• Exothermic

• Neither