Ralph
Cavegirl
Summer
Cavemen
Blue
100

What is the scientific name of DNA

Deoxyribonucleic Acid

100

What is the shape of DNA

a double helix 

100

What are the strands of DNA made of?

sugar, phosphate, and nitrogen bases

100

Why is DNA fingerprinting called a fingerprint

DNA is just as unique as your fingerprint

100

What is the first step to making a DNA fingerprint?

make millions of copies of DNA

200

What is the second step to making a DNA fingerprint?

cut the DNA into different-sized pieces

200

What part of the gun leaves unique markings on a bullet?

Barrel

200

What tool makes thousands of copies of each piece of DNA?

PCR Machine (Polymerase Chain Reaction)

200

What is ballistics in forensic science?

The study of motion and impact of projectiles.

200

What is the third step to making a DNA fingerprint?

seperate the DNA pieces of size

300

What is a cartridge?

A complete round of ammunition.

300

What is a "caliber" in firearms?

The diameter of the barrel and bullet.

300

What is gunshot residue (GSR)?

Trace chemicals left on the hands or clothes of someone who fired a gun.

300

What is an accelerant?

Any material used to start or maintain a fire.

300

What tool is used to examine bullets and cartridge cases under magnification?

Comparison microscope

400

Why is it important for CSI to begin investigating immediately after a fire?

Some accelerants can evaporate.

400

Which way does fire move?

Up

400

What is an exothermic reaction?

When heat is released during the reaction.

400

What is an endothermic reaction?

When heat is absorbed during the reaction.

400

What is spontaneous combustion?

A fire caused by a natural heating process in the presence of sufficient air and fuel.

500

How does CSI collect fire evidence from a crime scene?

By placing it in a paint can.

500

Which of the following would help determine the distance from which a gun was fired?

a. Bullet weight

b.Bullet shape

c.Presence of GSR or stippling (powder and bullet dots) on a target

d.Gun manufacturer

Presence of GSR or stippling (powder and bullet dots) on a target.