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

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

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic

Tags

NGSS.HS-LS1-5

Melting 

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

The measure of the kinetic energy of the particles of a substance is called

• heat

• calorimetry

• temperature

• pressure

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

When temperature decreases

• energy increases

• molecules move faster

• more collisions occur

• molecules move slower

Tags

NGSS.HS-PS1-5

6CO₂ + 6H₂0 + Energy ---------------> C₆ H₁₂ 0₆ + 6O₂

• endothermic reaction

• exothermic reaction

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

NGSS.HS-PS1-4

What is the mass of H₂O in the reaction above?

• 70.01
• 24.11
• 21.44
• 48.22

Tags

NGSS.HS-PS1-7

What happens in a chemical reaction?

• Bonds between atoms break and/or are formed

• New atoms are created and/or removed

• Protons move from one atom to another

• Electrons change into protons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5