Reaction Energy

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Exothermic reactions...

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

Tags

NGSS.HS-PS1-4

What is a Chemical Reaction?

• When two liquids hit each other
• When a liquid has foam
• When two substances mix and have a reaction
• When a reaction forms with soda and candy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction that produces energy is a /an

• endothermic reaction
• exothermic reaction 
• energy
• chemical reaction 

Tags

NGSS.HS-PS1-4

A chemical reaction that requires energy is a

• exothermic reaction 
• endothermic reaction 
• over reaction 

Tags

NGSS.HS-PS1-4

Methane reacts with oxygen to produce carbon dioxide, water, and energy. What type of reaction is this?

• exothermic
• endothermic
• no reaction

Methane reacts with oxygen to produce carbon dioxide, water, and energy.  Which of the following is a product?

• carbon dioxide
• methane
• oxygen
• air

How do substances form during a chemical reaction?

• One orm ore substances are combined
• A solid subtance is formed in a solution
• Chemical bonds in molecules add atoms to more more molecules 
• Chemical bonds break, atoms rearrange, and new chemical bonds form.