444 free experiment photos from Freerange

DNA - Genetics - Genes

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

Ascaris lumbricoides microscope slide cross section.

Human red blood cells

Lab Equipment - Laboratory Glassware

Lab Equipment - Laboratory Instruments

Bottles containing acid and base.

Science objects with texture.

Circular patterns of light created through long-exposure photography on a dark background

A sandwich cut in half, with layers of meat, cheese, and vegetables visible, placed on top of a wooden table.

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

Microbiology technique

Combustion reaction using sucrose to produce caramel and steam.

Spread plate techniques.

Specific gravity determination using a pycnometer.

Bubble style test form

Chemistry of thin layer chromatography with plate, solvent and samples.

Chemistry glassware showing the concept of acid and base chemistry.

Measured mass of iodine.

Bacterial plate showing wells and bacteria.

A clear glass of water with a toothbrush submerged in it. The toothbrush bristles are soaking in the water, causing bubbles to form.

Glass flasks filled with plant cuttings in a laboratory setting, showcasing biotechnology and scientific research

Erlenmeyer flask used for chemical titrations.

Cobalt solution burning on a wooden splint in a bunsen burner flame.

Microscope view of freshwater algae Oedogonium.

E. coli growing on EMB agar.

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

Bacteria growing on a petri plate.

A reagent bottle containing acetic acid.

A bottle containing nitric acid.

Chemical reaction in a test tube

The colony morphology of Geobacillus stearothermophilus. A thermophile that causes food spoilage.

Two reagent bottles containing hydrochloric acid, acetic acid and their molecular models.

Test tubes containing microbiological media for culturing bacterial.

Long exposure shot capturing abstract orange light trails, illuminating the night with a starry backdrop, creating an artistic visual of motion and energy.

Bottle of acetic acid and the molecular structure.

Chemical bottle showing damage from Bromine.

Gloved hand and sample tubes

Analyzing histogram with magnifying glass

A bottle of methanol with its chemical structure.

Syringe, vial, and GC capillary column used for separating volatile molecules.

An isolated sintered glass crucible.

A GC column, vial, and syringe.

Lead iodide reaction

A blue substance is seen floating in water on a white surface. The substance creates an interesting pattern as it moves through the water, creating a unique visual effect.

Food safety pathogen Listeria monocytogenes isolated on agar from a food sample

Cuvette used in spectroscopy.

Chemistry glassware

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

Microbes on the Crosshairs - Fighting Infection by Viruses and Bacteria