411 free experiment photos from Freerange

Reagent bottles, burette and flask.

DNA - Genetics - Genes

Transferring sample using pipet.

Lab Equipment - Laboratory Instruments

Science objects with texture.

Bubble style test form

Four reagent bottles containing hydrochloric acid, ammonium hydroxide, water and acetic acid.

Human red blood cells

Ascaris lumbricoides microscope slide cross section.

Spread plate techniques.

Female Medical Doctor Analyzing DNA strands

Lab Equipment - Laboratory Glassware

Bacteria growing on a petri plate.

Specific gravity determination using a pycnometer.

Food safety pathogen E. coli growing on an agar plate.

Education of the masses - Cloning the brains of people

Gram negative rods with spores. Viewed under the microscope at 1000x.

E. coli growing on EMB agar.

Chemistry equipment and periodic table

Bottle of acetic acid and the molecular structure.

Analog pH meter with electrode, pH 7 and 4 buffers.

Killing Bacteria and Viruses - Infectious Disease Treatment

Reading the value from a hydrometer. Used for determining the specific gravity of liquids including beer.

A microscopic view of plant cells, one of which is dividing

Microscope and slide.