Crime Busters Science Olympiad

The physical separation of mixtures into individual components is..

• chromatography

• opacity 

• latent

• trace evidence 

Ink can be separated by a method of -----------------------------------------------

• distillation

• filtration

• chromatography

• sedimentation

What is the primary method used to separate mixtures in forensic science?

• Chromatography

• Distillation

• Filtration

• Evaporation

Which of the following is a common tool used to analyze chemical substances in a crime lab?

• Spectrometer

• Microscope

• Telescope

• Barometer

In a forensic investigation, what is the purpose of using a control sample?

• To compare with the test sample

• To confuse the suspect

• To speed up the analysis

• To increase the sample size

What is the role of a catalyst in a chemical reaction?

• To speed up the reaction

• To slow down the reaction

• To change the products

• To increase the temperature

Tags

NGSS.HS-PS1-5

Which of the following is an example of a physical change?

• Melting ice

• Burning wood

• Rusting iron

• Baking a cake

What is the main component of DNA that is analyzed in forensic science?

• Nucleotides

• Proteins

• Lipids

• Carbohydrates

Which technique is used to amplify DNA samples in forensic analysis?

• Polymerase Chain Reaction (PCR)

• Gel Electrophoresis

• Mass Spectrometry

• X-ray Crystallography

What is the principle behind the use of fingerprints in forensic science?

• Uniqueness of patterns

• Chemical composition

• Color variation

• Size of ridges