A New Approach to Teaching Atomic Theory

For chemistry teacher Siobhan Julian, teaching the history of atomic theory by lecture “was dry and tedious and boring for everyone involved.†Then she took a fresh approach—one that focuses on doing science to learn science history.
Rat Reproduction

Examining the reproductive system of the rat, students have the opportunity to compare male and female organs, study internal fertilization, and observe gestational changes in the female. The rat is representative of mammalian reproduction where fertilization of ova occurs inside the female, and the fertilized zygotes develop in the mother during a gestation period known […]
How to Make a Good Scientific Model

Are your students able to generate observations and then construct a good scientific model? After your students complete an inquiry activity, use our scientific model checklist to guide them through constructing and refining a model. Encourage students to use the checklist to ensure their model is sound. Allow lab groups to switch models and critique them. Go […]
Bees, Butterflies, and Flowers

Background Spring’s arrival is marked by days that start to grow longer, temperatures that begin to rise, and the many plants that awake from their winter sleep. Certain species of flowering plants start to develop beautiful blooms and love is in the air. At first look, one might think nature is simply showing off with […]
Let’s Do S’more Chemistry!

Introduction This laboratory activity explores the topics of stoichiometry and limiting reactants in a fun, delicious way! Mass/mole relationships and limiting and excess reactants can be difficult topics for students to grasp. Use this activity to introduce or reinforce these principles. Stoichiometry is the area of chemistry that allows us to determine the relative quantities […]
Flex and Extend: Modeling a Human Hand

Lead students in an engaging and creative project where they build a model that demonstrates the flexing action of the human hand. Students use craft materials and follow the procedure below to assemble a model of the hand. As students learn about the tendons and muscles of their own hands, they are prepared for a […]
Five Misconceptions in Genetics

Students may bring a variety of misconceptions with them when they enter a study of genetics. Watch your classroom for the 5 common misconceptions listed below. If you find any of them, just use the simple explanations—also provided below—to dispel your students’ incorrect notions. 1. One set of alleles is responsible for determining each trait, […]
How to Handle, Store, and Repair Microscope Slides

Carolina® prepared microscope slides provide an essential component for the in-depth study of botany, zoology, histology, embryology, parasitology, genetics, and pathology. After receiving your slides, proper care will keep them in good condition and make them last as long as possible. In the following paragraphs, we’ll discuss the handling, storage, and repair of prepared slides. […]
Carolina Biological Supply Company Wins Two Categories in 2022 Best of STEM™ Awards

Carolina wins top honors in Bridging the Gap: Webinar Series Exemplar and Trailblazer: Immersive Reality categories. BURLINGTON, NC, July 21, 2022 –This year’s Best of STEM™ Awards winners have been selected by highly qualified, experienced STEM educator judges and email votes from more than 3,000 educators. Carolina is pleased to announce its two winners: Winner […]
Our Most Popular Earth and Space Science Kits That Rock Students’ Lab Experiences

This might be earth-shattering news, but did you know that you can cover your earth and space science course, start to finish, with Carolina’s popular kits? Kits that will get your students hands-on experiments, model generation, and data analysis, while meeting your ESS course standards. Repeatedly chosen by thousands of teachers, these kits rock students’ lab experiences.