exo-endo reactions

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

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

• Endothermic processes
• Exothermic processess
• None of these 

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

When you freeze water, it turns to ice.  What kind of change is this?

•  Physical
• Chemical

Sugar dissolves in water.  This is an example of....

• Physical Change
• Chemical Change

When iron nails get rusty, heat is released.  What process is this?

• Exothermic
• Endothermic

Is the combustion of gasoline endothermic or exothermic?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up