Endothermic vs. Exothermic

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.HS-LS1-5

NGSS.HS-LS2-5

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

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

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.HS-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.HS-PS1-4

Is this endothermic or exothermic?

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Is this endothermic or exothermic?

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

What type of reaction occurs in hand warmers?

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Baking bread and cooking an egg are examples of....?

• Endothermic Process

• Exothermic Process

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ...

• absorbed

• released

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

Tags

NGSS.HS-PS1-4