Energy Transfer Quiz

In the context of energy transfers, what defines an exothermic reaction?

• It absorbs energy from the surroundings

• It feels cold

• It transfers energy to the surroundings

• It is characterized by a decrease in temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Which type of reaction requires more reactants to achieve a greater temperature change?

• Exothermic

• Endothermic

• Neutral

• Isolated

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the primary objective of surveying stakeholders in the design process?

• To ignore their needs

• To understand their needs and preferences

• To increase complexity unnecessarily

• To eliminate the need for testing

What was the outcome of the combination of root killer and aluminum foil experiment?

• A decrease in temperature

• No change in temperature

• A significant increase in temperature

• A decrease in energy transfer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What type of reaction feels warm due to energy transfer to the surroundings?

• Neutral

• Exothermic

• Endothermic

• Isolated

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which statement best describes the energy transfer in endothermic reactions?

• They transfer energy to the surroundings

• They feel cold

• They absorb energy from the surroundings

• They are characterized by a decrease in temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to energy transfer in chemical reactions involving more reactants?

• It decreases

• It remains constant

• It becomes unpredictable

• It increases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the main purpose of identifying stakeholders in the design process?

• To increase cost

• To minimize usability

• To understand needs and preferences

• To ignore feedback

Tags

NGSS.MS-ETS1-2

How can surveys contribute to the design of the flameless heater?

• By avoiding stakeholder input

• By providing insights into stakeholder needs

• By increasing complexity unnecessarily

• By eliminating the need for testing

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2