Jan Baptist van Helmont and Plant Growth

Front

What was the prevailing theory about plant growth before van Helmont's experiment?

Back

Plants grew by eating soil

Front

What did van Helmont conclude about the loss of soil in his experiment?

Back

It was an insignificant amount

Front

What was the gain in mass of the plant in van Helmont's experiment?

Back

70 kilograms

Front

What did van Helmont use to water the plant in his experiment?

Back

Only water

Front

What was the mass of soil lost in van Helmont's experiment?

Back

60 grams

Front

What did van Helmont use to measure the mass of the soil and plant? Options: A ruler, A scale, A thermometer, A barometer

Back

A scale