Rock Candy Experiment and René-Just Haüy

What is the main objective of the rock candy experiment?

• To understand the boiling process

• To study the crystallization of crystal candy

• To examine sugar properties

• To observe food coloring effects

What type of solution is created to form rock candy?

• Saturated solution

• Supersaturated solution

• Unsaturated solution

• Diluted solution

Which material is NOT used in the rock candy experiment?

• Sugar

• Water

• Popsicle stick or string

• Salt

What is the first step in the rock candy experiment?

• Dip a stick into the jar

• Heat water and dissolve sugar

• Add food coloring to water

• Wait for the solution to cool

Who is known as the 'Father of Modern Crystallography'?

• Isaac Newton

• René-Just Haüy

• Albert Einstein

• Louis Pasteur

When was René-Just Haüy born?

• 28th February 1743

• 12th March 1760

• 15th April 1700

• 25th December 1800

What subject did René-Just Haüy initially study?

• Physics

• Theology

• Chemistry

• Mathematics

What discovery did Haüy make regarding crystals?

• Crystals dissolve completely in water

• Crystals can be split along specific planes

• Crystals are always spherical in shape

• Crystals change shape when heated

What position did Haüy hold at the National Museum of Natural History?

• Professor of Theology

• Professor of Mineralogy

• Curator of Zoology

• Lecturer in Physics

What laws did Haüy formulate?

• Laws of gravity

• Laws of molecular weights

• Laws of symmetry and proportions

• Laws of thermodynamics