evidence
investigation
100

what is observation

Empirical evidence is information acquired by observation or experimentation. Scientists record and analyze this data. The process is a central part of the scientific method.

100

 what is chromatography 

Chromatography is a laboratory technique for the separation of a mixture. The mixture is dissolved in a fluid called the mobile phase, which carries it through a structure holding another material called the stationary phase. The various constituents of the mixture travel at different speeds, causing them to separate

200

what is inference

We learn about some things by experiencing them first-hand, but we gain other knowledge by inference — the process of inferring things based on what is already known. When you make an inference, you're reading between the lines or just looking carefully at the facts and coming to conclusions. You can also make faulty inferences.

300

what are the different sizes of footprints

small,big,medium,

400

fingerprints

loop, whorl, arch, composite

500

what are the different types of fabric that can be found at a crime scene  

wool,silk,cotton,etc

M
e
n
u