Chemical Reactions and Energy Quiz

When in a chemical reaction will energy be needed?

• When bonds need to break

• When bonds need to form

• When reactants stay the same

• never

Tags

NGSS.HS-PS1-4

In which type of reaction is energy released?

• Exothermic reactions

• Thermodynamic reactions

• Endothermic reactions

• Exergonic reactions

What is the term for the absorption of energy in a chemical reaction?

• Endothermic reaction

• Combustion reaction

• Exothermic reaction

• Catalytic reaction

Tags

NGSS.HS-PS1-4

Give an example of an exothermic reaction.

• Boiling water

• Photosynthesis

• Burning of wood

• Melting ice

Tags

NGSS.HS-PS1-4

What happens to the surroundings in an exothermic reaction?

• No change in temperature in the surroundings

• Heat is released to the surroundings

• Heat is absorbed from the surroundings

• The surroundings remain unaffected

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Provide an example of an endothermic reaction.

• Burning wood

• Boiling water

• Freezing water

• Melting ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Explain the energy change in an endothermic reaction.

• Energy is absorbed from the surroundings

• Energy is converted to matter

• Energy is released to the surroundings

• There is no change in energy

Tags

NGSS.HS-PS1-4

What is the role of energy in the formation of chemical bonds?

• Chemical bonds form spontaneously without the need for energy

• Chemical bonds are formed by the release of energy

• Energy has no role in the formation of chemical bonds

• Energy is required to break existing chemical bonds and form new ones.

Tags

NGSS.HS-PS1-4