Applied to glass it refers to having particles that are arranged randomly instead of in a definite pattern. Jill Parsons Use this site-analysis to answer the following questions.
1jillian 1parsons Glass Fracture Pattern Worksheet Glass Fracture Patterns Name Jill Parsons Use This Site Course Hero
Examine the diagrams below that show a side view of a window both before and after impact.
. Form on the same side of the glass as the point of impact. - Which bullet hole came first. Mass the piece of glass.
Activity 15-1- Glass Fracture Pattern Analysis Objectives write in your journal. Examine the diagrams below that show a side view of a window both before and after impact. Glass Fracture Patterns Worksheet 1.
Tare beaker with water. GLASS FRACTURE PATTERNS Procedure. Up to 24 cash back Fractures.
Glass fracture examinations can provide information as to the direction of the breaking force and the. Its fracture toughness K IC value is only 1 MPa m. Examine the diagram of the glass fracture patterns below.
Draw an arrow indicating the direction in which the force was applied to the window. Calculate density of the glass. Label the point of impact and draw an arrow indicating the direction in which the force was applied to the window--- Before Impact After Impact 2.
2nd Concentric Fractures Concentric circles that have the same center. By the end of this activity you will be able to. - Which direction did the break travel.
A hard brittle amorphous. SUSPEND the glass in water. Up to 24 cash back Of A Small Piece of Glass 1.
14 - Glass fracture patterns Activity 14-1 Apr. They are considered after a brief discussion of glass strength. Now what interests me is the apparent periodicity and structure of the fracture pattern.
Draw an arrow indicating the direction in which the force was applied to the window. Glass fracture patterns may answer the following questions. Explain your answer using the terms tension and compression.
B What was obsidian used for. Glass is brittle This article is an invited paper selected from presentations at MST 2009 held October 2529 2009 in Pittsburgh. 15 cast shoeprints lab.
Click card to see definition. Fracture features in a piece of glass reflect the nature of the glass and the direction of travel and velocity of the breaking object. Form on the side opposite the point of impact.
Analyze glass fracture patterns and determine the order of the breaks in the glass. The fracture pattern of glass usually has both ____ and ____ line fractures. Mass the piece of glass.
Examine the diagrams below that show a side view of a window both before and after impact. Up to 24 cash back ACTIVITY 14-1 GLASS FRACTURE PATTERNS Procedure. Tap again to see term.
Up to 10 cash back The topographical features which appear on the fracture surfaces of broken glass objects and the resulting crack patterns which develop are Natures documentation of the fracture event. - What direction did the bullet come from. Window Glass 253-254 gml Pyrex Glass 229-239 gml.
Draw an arrow indicating the direction in which the. Why Radial Concentric Fractures Form. They form on the opposite side of the impact.
Draw an arrow indicating the direction in which the force was applied to the window. The secondary patterns are concentric patterns. Determine the point of impact and direction of force.
Examine the diagrams below that show a side view of a window both before and after impact. If you examined the actual glass could you determine who was telling the truth. Compare and contrast fracture patterns in tempered glass safety glass and window glass.
Up to 24 cash back ACTIVITY 14-1 GLASS FRACTURE PATTERNS. Use glass fracture patterns to explain how to sequence events that occurred to form the broken glass. Fundamentals Investigations Chapter 14 Activity Handout Name ___________________ ACTIVITY 14-1 GLASS FRACTURE PATTERNS Procedure.
GLASS FRACTURE PATTERNS Name. Stess marks on the edge of a radial crack near the point of impact form right angles on the ____ side which the force was applied. Learn vocabulary terms and more with flashcards games and other study tools.
Start studying Chapter 14 Glass Evidence. Mass of water displaced Volume of water displaced Volume of piece of glass. Fracture patterns can provide clues about the direction and rate of impact.
Learn vocabulary terms and more with flashcards games and other study tools. Determine the point of impact and direction of force. Tap card to see definition.
Summarize how to determine the sequence of impacts on glass based on the fracture patterns. View Glass Fracture Activity pdf from BIOLOGY AP at Miramar High School. Due to its irregular atomic structure when the glass is broken it produces a variety of fracture patterns.
The notes will be submit to the instructor by the end of. The fractures form on the side of impact. By the end of this activity you will be able to.
When the glass breaks the break is called a primary radial fracture. 1st Radial Fractures Start at the point of impact and radiate move outward from there. Up to 24 cash back 416 Glass Evidence ACTIVITY 14-1 GLASS FRACTURE PATTERNS Objectives.
15 - Glass quiz Shoe prints Ch. Up to 24 cash back Explain two different methods to determine the direction of the bullets based on glass analysis. Examine the diagrams below that show a side view of a window both before and after impact.
They form around the same center point of impact. - which side did the force occur. Strength is central to the fracture surface features for it determines the strain energy.
Day-1-Students will first watch the video lecture or power-point glass analysis and take summary notes. Click again to see term. SUSPEND the glass in water.
Three different impacts resulted in the breaking of the glass. 14 Forensics Glass Evidence. Examine the diagrams below that show a side view of a window both before and after.
The glass is called an amorphous solid because its atoms are arranged randomly Figure 14-1. A When certain types of rock are exposed to extremely high temperatures such as lightning strikes or erupting volcanoes glass can form. Wavy fracture lines also glass tends to break near areas of high.
Determine the point of impact and direction of force. Explain your answer using the terms tension and compression. Fill in the blanks and answer the following questions using pages 396 411 from the textbook.
Glass is not highly resistant to fracture. Fracture patterns are unique. 13 - The refractive index Activity 14-4 modified Lab - Using Snells Law and solvents to determine the refractive index of known and unknown samples of glass Apr.
Find Volume of glass. Types of Glass OBJ Because glass is a stable material that does not deteriorate over time it has a variety of uses. Determine the point of impact and direction of force.
The main objective of this activity is for students to get student to analyze and interpret glass analysis data and fracture pattern in order to determine what happen at a crime scene. Tie thread around glass. 1 The History of Glass.
The glass is called an amorphous solid because its atoms are arranged randomly Figure 14-1. Determine the point of impact and direction of force. Theyre called this because the fractures start where impact was and spread out radially.
Typically occurs so fast during a glass fracture event that it appears to be instantaneous to the observers.
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