Unit 2: Chemical Reactions & Energy

What is an exothermic reaction?

• A reaction that releases heat

• A reaction that absorbs heat

• A reaction that requires light

• A reaction that produces sound

Tags

NGSS.MS-PS3-3

Which of the following is an example of an exothermic reaction?

• Melting ice

• Combustion (fire)

• Evaporation

• Photosynthesis

Tags

NGSS.HS-PS1-4

What does 'EXO' mean in the term 'Exothermic'?

• Inside

• Outside

• Heat

• Cold

What is an endothermic reaction?

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Fill in the blank: Endothermic reactions absorb heat, causing the surroundings to ____.

• cool down

• heat up

• remain unchanged

• become warmer

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What does 'ENDO' mean in the context of endothermic reactions?

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

What are stakeholders?

• Individuals or groups with an interest in a company's activities

• A type of financial instrument

• A method of project management

• A type of market analysis

Which of the following is a type of stakeholder?

• Customers

• Staff (employees)

• Suppliers

• Competitors

Fill in the blank: Stakeholders are individuals or groups impacted by or having an interest in a project's ________.

• outcome

• location

• budget

• timeline

Tags

NGSS.HS-ETS1-3

NGSS.HS-ETS1-1

Who among the following is considered a stakeholder?

• IT Executive and senior management

• Competitors

• Suppliers

• Customers

Tags

NGSS.HS-ETS1-3