61 terms

Crime Busters

STUDY
PLAY
Implicate
point to guilt
Exonerate
point to innocence
Visible Prints
a print made by blood or a powder
Molded Prints
a impression in soap putty or wax
Latent Prints
a transfer of sweat oils onto a surface
Delta
the triangular pattern in a fingerprint
Loop
a fingerprint with one delta, and a pattern that goes in and back one one side
Whorl
2 deltas spiral or circular pattern
Arch
no deltas hill pattern
Blob
a splatter that was made by fluid going straight down
Tail
points in direction of travel
Angle of impact
the angle of the tail showing where the fluid came from
Speed of impact
how fast the fluids going when it hits the surface
Passive spatters
a drip that falls straight down
Moving spatters
a spatter that hits at a angle
Transfer marks
a mark from direct contact from a object to a surface
test tube
glass tube closed at one end
spot plate
small plate with several depressions or wells used to hold small samples of solutions or reactions
magnet
(physics) a device that attracts iron and produces a magnetic field
hand lense
Hand-held tool that magnifies objects.
microscope slides
Used to hold specimens to be examined with a compound microscope.
cover slips
are used to to protect the specimen and the microscope from damage.
iodine reagent
Used to test for presence of starch, dark blue or black when positive for starch.
chromatography
a process used for separating mixtures by virtue of differences in absorbency
distilled water
Water that has been purified, traditionally by evaporation, which leaves behind any solids that might be dissolved in the water. When the evaporated water condenses it is free of dissolved solids and virtually "100%" water. Normal tap water has impurities that can sometimes affect an experiment or chemical process.
chemical
produced by or used in a reaction involving changes in atoms or molecules
anhydrous sodium acetate
powder, white,soluble, ph-9yellowsih/green hcl-none iodine-none (sweet odor)
yeast
any of various single-celled fungi that reproduce asexually by budding or division
vitamin c
a vitamin found in fresh fruits (especially citrus fruits) and vegefltables
calcium carbonate
a salt found in nature as chalk or calcite or aragonite or limestone
table salt
white crystalline form of especially sodium chloride used to season and preserve food
sugar
a white crystalline carbohydrate used as a sweetener and preservative
flour
fine powdery foodstuff obtained by grinding and sifting the meal of a cereal grain
calcium sulfate
a white salt (CaSO4)
cornstarch
starch prepared from the grains of corn
baking soda
a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid
powdered gelatin
grain,tan/orange, not soluble,ph-7,hcl-none, iodine-none,
powdered alka-seltzer
powder,white, soluble/fizzes, ph-9, hcl-fizzy, iodine-fizzy, fizzes w/ everything
sand
a loose material consisting of grains of rock or coral
aluminium
a silvery ductile metallic element found primarily in bauxite
iron
home appliance consisting of a flat metal base that is heated and used to smooth cloth
zinc
a bluish-white lustrous metallic element
magnesium
a light silver-white ductile bivalent metallic element
copper
any of various small butterflies of the family Lycaenidae having copper colored wings
tin
airtight sealed metal container for food or drink or paint etc.
lemon juice
usually fresh-squeezed juice of lemons
rubbing alcohol
lotion consisting of a poisonous solution of isopropyl alcohol or denatured ethanol alcohol for external use
household ammonia
An aqueous, basic potentially dangerous (basic aqueous solutions quickly attack human tissues, so gloves and eye protection are recommended when using household ammonia) solution of NH3: works as a general cleaner...used in windex
water
a fluid necessary for the life of most animals and plants
vinegar
sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative
hydrogen peroxide
a colorless, unstable, oily liquid
acidity
the property of being acidic
magnetic property
the ability to magnetize to certain metals
color
the appearance of objects (or light sources) described in terms of a person's perception of their hue and lightness (or brightness) and saturation
density
the amount per unit size
odor
any property detected by the olfactory system
fiber
a slender and greatly elongated solid substance
plastic
generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
chromatograms
files with the sequence visually represented by peaks of each flourescent nucleotide
spatter
the act of splashing a (liquid) substance on a surface
element
an artifact that is one of the individual parts of which a composite entity is made up