Exploring the Conservation of Mass with Antoine Lavoisier

What was Antoine Lavoisier's great ambition?

• To show that mass is lost in transformations

• To demonstrate that nature is an open system

• To create new elements

• To prove that nature is a closed system and mass is conserved

Tags

NGSS.HS-PS1-7

In Lavoisier's experiment, what was the initial substance used?

• Water

• Hydrogen

• Iron

• Air

What happened to the weight of the iron barrel during the experiment?

• It decreased

• It remained the same

• It disappeared

• It increased

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

What did Lavoisier collect in addition to the reduced amount of water?

• A gas

• Nothing

• A liquid

• A solid

Tags

NGSS.MS-PS1-5

What characteristic did Lavoisier observe about the gas collected?

• It was heavier than air

• It was non-flammable

• It was lighter than air and flammable

• It was colorless

What did Lavoisier hope to achieve in the next few months after his initial experiment?

• To create new gases

• To recombine gases back into water

• To prove that mass is lost

• To stop experimenting

Tags

NGSS.HS-PS1-7

What was Lavoisier's profession that helped him fund his experiments?

• Tax collector

• Engineer

• Doctor

• Scientist

Why was Lavoisier obsessed with accuracy in his experiments?

• To create new elements

• To ensure the conservation of mass

• To win awards

• To impress his colleagues

Tags

NGSS.HS-PS1-7

What did Lavoisier and his team use to recombine oxygen and hydrogen back into water?

• Heat

• Magnetism

• Pressure

• Static electricity

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What did Lavoisier's extensive experiments demonstrate about matter?

• Matter can be created

• Matter can be destroyed

• Matter is always conserved

• Matter is unpredictable

Tags

NGSS.HS-PS1-7