The problem of acid rain is quite often associated with its effects on aquatic systems. Unfortunately, acid rain can also have devastating effects on terrestrial environments as well. In this activity, students will examine the detrimental effects of acidic conditions on plants. Plants will be…

100 strips each in matching color plastic vials. Individual strips are approximately 2" long and 1/4" wide.

Create your own volcano for a science fair demonstration. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: PS1.A; PS1.B Performance Expectations: MS-PS1-2; HS-PS1-2 Cross Cutting Concepts: Patterns Engineering Practices: Analyzing and Interpreting Data; Scientific…

This series of activities, developed by the American Chemical Society through grants from the National Science Foundation and National Institutes of Health, is comprised of four lessons that investigate chemical changes. Using the instruction manual obtained from the American Chemical Society’s…

Owls have a specialized digestive tract which helps them expel the indigestible parts of their prey in pellet form. Dissecting an owl pellet can teach students the concepts of food webs and food chains while identifying the small animals that are prey for the owls. The pellets are heat sterilized…

TLC is a technique of separation chemistry, which provides a simple, rapid method of separating small amounts of compounds. A mixture of three dyes is prepared and then separated on a thin layer of the absorbent silica gel with the appropriate solvent. Aligned to the Next Generation Science…

Students will study whether fruit flies will move toward or away from important chemicals and food that aid in their survival. Using the Innovating Science choice behavior chamber, behaviors of the fruit-flies are observed and any pattern can be identified. Students will formulate their own…

The classic unit contains J-hook electrodes made with an aluminum rod and platinum foil, graduated collection tubes, an acid resistant base, and glass battery jar. Instructions included.

Be prepared for spills in your lab. This universal absorbent eliminates the guesswork and is safe for use on all chemicals except hydrofluoric acid. This kit contains enough material to absorb 10 liters of solvent. Complete with instruction sheets and SDS. Kit Contains: 1.1kg Universal Absorbent 1…

Designed for older elementary students to help them examine and understand the needs of plants for growth and survival. For the sake of time, the class can be split in thirds, with some students conducting a light/dark experiment, some studying plant nutritional needs, and some studying effects of…

Students will learn the mechanisms and reactions involved in one type of clock reaction and understand how a clock reaction may provide insight into reaction kinetics. After assembling, performing, and obtaining data from several clock reactions students will alter experimental conditions and…

This Innovating Science pH Buffer Calibration Kit includes 500ml of each buffer solution pH 7, pH 4, and pH 10. It also includes 120ml of electrode storage solution. Kit Includes: 500mL Buffer pH 4 500mL Buffer pH 7 500mL Buffer pH 10 120mL Potassium Chloride, 1M DOT Info: Non-regulated

Top quality Molymod molecular model sets are for use by students, teachers, and researchers. May be upgraded or customized with additional model parts, for more info, go to sigma-aldrich.com and enter Molymod in our search engine. Scale is 2.8 cm =100 pm (open style) and 1.45 cm = 100 pm (compact,…

Ball-and-spoke structural models of graphite, sodium chloride and diamond. All models are permanently mounted on acrylic bases: Graphite (Clear hexagonal base); Sodium Chloride (Clear square base); Diamond (Clear triangular base). Each model contains 22mm diameter balls: Graphite (39); Sodium…

Magnesium Ribbon: Contains 99% Magnesium, 1% Zinc and Lead.

Crude oil is a complex mixture of many useful hydrocarbons such as gasoline, kerosene, butane, and motor oil. In order to be of use, these hydrocarbons must first be separated from each other. In this activity, students will complete a fractional distillation experiment to simulate the…

Ever wonder what would happen if you mixed this chemical with that one? This kit has been designed to allow students to perform experiments to see what types of reactions occur when various solutions are mixed together. Four different experiments focus on the concepts of decomposition reactions,…

Amino acids are the fundamental building blocks of all proteins. Often times scientists may need to identify the amino acid contained in a protein. One such method for separating and identifying individual amino acids is paper chromatography. In this activity, students will perform a paper…

In this lab, you will gain an understanding of the basic differences between the properties of acids and bases, learn the role of hydrogen and hydroxide ions in acids and bases, and comprehend the nature of the pH scale with regards to acid and base strength. Students will examine the effects of…

Learn the role of the kidney in blood filtration and waste removal along with the many functional tasks performed by nephrons, as well as nephron structure. Students will create an artificial kidney model to filter simulated blood. This will allow them to visually determine if filtration of the…

Students will learn the nature and specificity of enzyme-catalyzed reactions. Students will then use an extract of turnips to examine the reaction between hydrogen peroxide and the enzyme peroxidase while testing one or more factors that influence the rate of enzyme reactions.In this lab students…

In this demonstration, energy will be produced from combining of hydrogen and oxygen to form water. Platinum will serve as the catalyst and electrodes will be prepared by coating metal mesh with platinum. The hydrogen and oxygen will come from electrolysis. After the cell is set up, a brief current…

The micrococcus luteus culture is freeze dried into a lyophilized pellet packaged in a sterile plastic vial. DOT: Not-regulated

Students will identify unknown chemicals based on laboratory testing of their physical and chemical properties. Students will identify the 4 different kinds of bonds that exist in chemicals: ionic, polar covalent, nonpolar covalent and metallic. Students review the properties of each solid using…

The term oxidation can mean the chemical combination of a substance with oxygen and reduction can be the removal of oxygen from a compound. When oxygen reacts with any other element (except fluorine) it acquires electrons from that element. The element that donated the electrons is said to be…

Use your forensic techniques to solve the crime of the missing frogs from the biology classroom. Four possible suspects have been identified by the authorities. Use fingerprints, hair examination, and chemical analysis of ink by thin-layer chromatography to help determine the most likely culprit.…

Colored printing helps your students distinguish between metals, non-metals, and noble gas families as well as allowing them to differentiate types of metals, solids, liquids and gases from synthetic elements. Name, symbol, atomic number, weight, mass, electron configuration are included. The…

Blood type, an inherited characteristic, has use in everything from forensic investigations to medical procedures. In this activity, students will learn about the genetics that determine blood type and the possible inheritance patterns and how they express themselves. Students will use Innovating…

Students will test the solubility of each possible component of a commercially available pain reliever in an organic solvent, ethyl acetate, and in a basic aqueous solution of sodium bicarbonate. These results will help the student create a procedure that will be used to separate components in a…

Refill Kit Includes: Simulated Blood Samples 10mL Victim 10mL Suspect #1 10mL Suspect #2 10mL Crime Scene ABO/Rh Blood Typing Anti-sera (10mL of each) DOT Info: Non-regulated

Electrolysis Unit Hoffman Standard The apparatus is supplied with the Hoffman Glass Collecting Tube and Reservoir #57001. The Collection Tubes are graduated to 60ml x 0.2ml subdivision. The top of each tube is fitted with ground glass stopcocks. The Reservoir Tube is 16" in length and is…

Test for the presence of blood on materials using phenolphthalein. The test will not distinguish between animal and human blood. Further serology tests are needed. Kit contains instructions, blood standard and reagents to complete 30 tests. Aligned to the Next Generation Science Standards (NGSS)* …