Show:
States of Matter
Energy
Matter
Evidence
Misc.
100

A State of Matter with a definite volume but not a definite shape.

Liquid

100
Energy an object has due to its motion.

Kinetic Energy

100

Building block of matter

Atom

100
What is an important tool used in both ballistics and trace evidence analysis?
A comparison microscope
100
When a high speed projectile breaks glass, how do they determine the entrance and exit holes?
Exit hole is larger than entrance hole in a high speed projectile.
200

A state of matter without a definite shape or definite volume

Gas

200

Stored energy due to the interactions between particles or objects.

Potential Energy

200
Matter with a composition that is always the same.

Substance

200
What is the density of a glass sample that has a mass of 10g and a volume of 5g?
2g
200
How can scientists tell the difference between a male and female skeleton?
The pelvis of the female is wider, males have sharper edges to the tibia and ulna, eye sockets for females are rounder
300

A state of matter with a definite shape and volume.

Solid

300

The result of the motion of all the particles, and the distance and attractions between those particles in the system.

Thermal Energy

300

A substance made of only one type of atom.

Element

300
What piece of evidence could an investigator use to determine most precisely who the suspect of a crime is if two identical twins are in question?
Fingerprint
300
How can a scientist tell if a hair has been forcibly removed?
The root attached to the hair shaft will probably be broken or damaged.
400

Moving from container to container, does not change volume or its shape.

Solid
400

Depends on temperature

Thermal Energy

400

A substance that occurs when atoms of two or more different elements are bonded together to form ?

Compound
400
Which type of crime is LEAST likely to be solved with the use of fiber evidence? A. Breaking and entering B. Hit-and-run C. Bombing
C. Bombing
400
What possible genotypes will the offspring have if the parents' blood types are O and AB?
AO or BO
500
State of Matter that can flow between containers.

Gases and Liquids

500

The measure of the average kinetic energy of the particles in a material

Temperature

500

What is the ration of 40% hydrogen, 40% Oxygen, 20% magnesium?

2:2:1

500
What is the difference between individual and class evidence?
Individual- Material that is used to make a direct id of a person Class- Material that is used to connect an object or person to a group
500
What does DNA stand for? Name three biological sources of DNA
Deoxyribonucleic acid. Blood, Saliva, Tissues or other bodily fluids.