1. Chapter 4: Properties of Matter and the Analysis of Glass
Jeopardy
Forensic Science
Chapter 4: Properties of Matter and the Analysis of Glass

2. Physical Properties
Forensic Analysis
Light
Glass
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3. Bending of light waves caused by a change in speed as it passes
What is refraction?
Bending of light waves caused by
a change in speed as it passes
between two mediums
Row 1, Col 1

4. A property of matter describing The amount of matter in a given
What is density?
A property of matter describing
The amount of matter in a given
volume.
1,2

5. The major component of glass.
What is sand (SiO2)?
The major component of glass.
1,3

6. Types of glass can be identified by measuring these two physical
What are density and refractive index?
Types of glass can be identified
by measuring these two physical
properties.
1,4

7. the speed of light waves in a
What is the speed of light?
the speed of light waves in a
vacuum
2,1

8. A property of matter represented By the ratio of the speed of light
What is refractive index?
A property of matter represented
By the ratio of the speed of light
In a vacuum to the speed of light
In a given medium
2,2

9. Sodium carbonate and these substances are added to sand to
What are metal oxides?
Sodium carbonate and these
substances are added to sand to
make glass.
2,3

10. The 3R rule is used to determine
What is the direction of impact on a glass surface?
The 3R rule is used to determine
this.
2,4

11. Types of electromagnetic radiation are distinguished by
What are frequency and wavelength?
Types of electromagnetic
radiation are distinguished by
these two characteristics
3,1

12. The volume of an irregularly shaped object can be measured
What is water displacement?
The volume of an irregularly
shaped object can be measured
by this method.
3,2

13. Type of glass used in automobile
What is laminated glass?
Type of glass used in automobile
windshields.
3,3

14. Fractures on glass that extend outward from the point of
What are radial fractures?
Fractures on glass that extend
outward from the point of
impact like spokes on a wheel.
3,4

15. a halo of light on the outside or inside border of a glass
What is the Becke Line?
a halo of light on the outside
or inside border of a glass
sample immersed in a
transparent liquid.
4,1

16. A property of a substance which can be observed without
What is a physical property?
A property of a substance which
can be observed without
changing the identity of the
substance.
4,2

17. Type of glass with exceptional Heat resistance used for
What are Borosilicates?
Type of glass with exceptional
Heat resistance used for
Cookware and laboratory
glassware.
4,3

18. The sequence of impact for Multiple impacts on a glass
What is tempered glass?
The sequence of impact for
Multiple impacts on a glass
Surface cannot be determined
For this type of glass.
4,4

19. the refractive index of a substance depends upon its
What is density?
the refractive index of a
substance depends upon its
temperature and this phyical
property
5,1

20. What are grams per mL?
Units of density.
5,2

21. Float glass, used in windows, has a smooth surface formed as
What is molten tin?
Float glass, used in windows,
has a smooth surface formed as
the glass is cooled in this type
of bath.
5,3

22. The fact that a glass fracture line always terminates at an existing
What is the sequence of impact?
The fact that a glass fracture line
always terminates at an existing
fracture line is useful for
determining this.
5,4