Blood Splatter

Blood Splatter

How does Blood pattern analysis (BPA) help the forensic scientist solve crimes?

Locard's Princible

In the early 20th century Dr.Edmond Locard made a theory that every contact leaves a trace its called forensic science. Locard thought that every time you touch something you would leave a print. For example if you touch something like a table with your finger or feet (For whatever reason) you will leave a finger print or if you use your feet a foot print. When police are searching in a crime scene they look for everything that could relate to the criminal. If you leave anything like your gloves shoes, socks and even false teeth and you are likely about to be found. Here are a few more things that criminals could leave behind that police use.

• hair
• tools 
• clothing
• licence plate
• fingernails
• DNA
• bullets

Who collects the evidence?
Forensic technician
What do they use?

Average hieght of students in our class

Aim: What is the average height of 8mt students.

Hypothesis: Average height of 8mt is 1.5 m

Equipment: Ruler

Method: Measure height of each student and record it on a tally chart

Results:

136-140 1
141-145 2
146-150 1
151-155 4
156-160 8
161-165 7
166+ 6

Discussion: The average height of 8mt students is 156-160. Our hypothesis was incorrect by 6 at the least and 10 at the most.

How to write a science report 2017

 How to write a science report

Aim: What your are trying to discover.

Hypothesis: An educated guess about your results.

Equipment: What you will use.

Method: Step by step instructions you will follow.

Results/Observation: Talk about the result. How does it relate to your aim

Evaluate: How could you improve your experiment?