Blood Types
What are the 4 main blood types?
A, B, AB, and O
What chemical did we use to grow crystals?
Borax
Acids have a pH lower than what number?
7
What does CSI stand for?
Camp Scene Investigation
Name one sticker on Allen's Laptop
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Which blood type is known as the universal donor?
O Negative
Crystals form when a solution becomes very _______.
Saturated
Bases have a pH higher than what number?
7
Why should investigators wear gloves?
To avoid contaminating evidence
What did JJ put under the microscope when she was in Grade 12?
A cheek cell
Which blood type is known as the universal recipient?
AB Positive
True or False: A crystal is the same thing as a rock.
False
Is lemon juice an acid or a base?
Acid
What is the first thing investigators should do when arriving at a crime scene?
Secure the scene
What is JJ's Blood Type?
AB (+)
Name 3 things that make up blood.
True or False: The longer the crystal-growing solution sits, the more time crystals have to grow.
True
What pH is considered neutral?
7
Which of these could be evidence at a crime scene: a fingerprint, a footprint, or a candy wrapper?
All of them
Who has a black belt? (Clue: Was shared during 2 truths & a lie)
Tara
A suspect can receive blood from both O− and A− donors. What blood type could they be?
A Negative
True or False: If you add more borax to water, you can make a stronger crystal-growing solution.
True
A mystery liquid has a pH of 11. Is it an acid, base, or neutral?
Base
True or False: It is okay to move evidence before it is documented.
False
Name everyone in the class
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