Endothermic and Exothermic Processes

In an exothermic reaction, heat is:

• absorbed

• released

• retained

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is:

• absorbed

• released

• retained

Tags

NGSS.HS-PS1-4

If a chemical reaction is exothermic, the temperature of the molecules would:

• Stay the same

• Increase

• Decrease

Tags

NGSS.HS-PS1-4

In an endothermic reaction the system is releasing energy.

• True

• False

Tags

NGSS.HS-PS1-4

Is cellular respiration an endothermic or an exothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-PS1-4

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25°C. The temperature after the reaction was 18°C. Which of the following is true (select all that apply)?

• The temperature decreased

• It is an endothermic reaction

• It is an exothermic reaction

• The temperature increased

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Baking bread and cooking an egg are examples of:

• Endothermic processes

• Exothermic processes

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Is photosenthysis an Exothermic or an Endothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.HS-LS1-5

NGSS.HS-PS1-4

What type of reaction is shown in the photo?

• Exothermic
• Isothermic
• Endothermic
• None of the  above

Tags

NGSS.HS-PS1-4

What is an example of exothermic reaction?

• firework

• ice pack

• melting ice cubes

• boiling water

Tags

NGSS.HS-PS1-4