Crime Busters - Science Olympiad

Front

What is the chemical reaction that occurs when iodine comes in contact with starch?

Back

Iodine reacts with starch to form a dark purple complex, indicating the presence of starch.

Front

Which substance turns iodine dark purple?

Back

Flour is a substance that contains starch and will turn iodine dark purple.

Front

What is acid rain and what causes it?

Back

Acid rain is precipitation that contains high levels of sulfuric and nitric acids, often caused by emissions from burning fossil fuels.

Front

Which substance is known to dissolve under acid rain?

Back

Calcium carbonate is known to dissolve under acid rain.

Front

What is the study of blood spatter patterns called?

Back

The study of blood spatter patterns is known as forensic bloodstain pattern analysis.

Front

What is the term for the study of fingerprint identification?

Back

Dactyloscopy is the technical term for the study of fingerprint identification.

Front

What is chromatography?

Back

Chromatography is a technique used to separate mixtures into their individual components.

Front

What is the liquid part of a chromatography setup called?

Back

The liquid part of a chromatography setup is called the solvent.

Front

What is a transfer/contact blood spatter pattern?

Back

A transfer/contact pattern occurs when a bloodied object comes into contact with a surface, leaving a mark.

Front

What is the role of a solute in a solution?

Back

A solute is a substance that is dissolved in a solvent to form a solution.