Meiosis and Genetics
Carolina LabSheets™ Overview In this lab, students investigate how the events of meiosis relate to Mendelian genetics. The lab is designed to supplement the Meiosis Activity of our Carolina BioKits ® : Chromosome Simulation. Download Student Lab Sheet Needed Materials Carolina BioKits ® : Chromosome Simulation (#171100) Optional Materials Small, colored adhesive dots can be used […]
Modeling Mitosis and Meiosis
Introduction Have student groups use sock “chromosomes” and string to model mitosis and meiosis. These 2 simple activities take approximately 30 min to complete. Discussion questions and answers are provided so that you can assess student understanding of each type of cell division. Next Generation Science Standards Life Science The Cell The Molecular Basis of […]
The Pressure’s On: Creating and Using Models of Body Systems
Workshop Resources Life Science 6-12 Middle / High School Learn exciting and engaging ways to teach structure and function within body systems. Use hands-on labs to help students understand kidney function and interactions between the excretory system and cardiovascular system. Set up experiments, collect data, analyze results, and create models to build toward understanding the […]
Just Passing Through
In-Booth Demonstration Life Science 9-12 High School / College Cell membranes are semipermeable, meaning that only certain substances, based on the molecule’s size and electric charge, can pass through. Molecules passively move from areas of high concentration to areas of low concentration. Starch, which is a large molecule that cannot pass through most membranes, can […]
Diffusion—Molecules on the Move
Diffusion: Molecules on the Move Dialysis tubing is an excellent way to simulate the cell membrane’s selective permeability. In this experiment, sealed dialysis tubing containing a test solution of albumin, glucose, sodium chloride, and starch is placed in a cup of distilled water. After 30 to 45 minutes, the tubing is removed from the cup […]
Osmosis Eggsperiment
Introduction 2-3 students per group Prep: 15 minutes Class: 15-45 minutes over 3 days Subject: Physiology Grade: 6-12 Water passes into and out of cells by a special type of diffusion called osmosis. Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of higher water concentration to an area of […]
Invasion! Invasive Species Activity
Introduced species (also known as alien, nonnative, nonindigenous, or exotic species) are organisms that have been either accidentally or intentionally brought into an ecosystem in which they were not formerly found. The introduction of an organism may be beneficial, have no effect, or have a negative impact on the ecosystem into which it is released. […]
Eggsploring Enzymes Activity
Enzymes are specialized biological catalysts that complete biological work within cells. In this activity, students investigate the effect of pepsin, a protease, on albumin, an abundance protein in animal cells. Pepsin, an enzyme found in the digestive tracts of animals, catalyzes the digestion of food proteins into peptides containing essential amino acids. The rate at […]
Investigating Enzyme Reaction Rates Using Toothpickase
A dry lab activity Objectives At the end of this activity, students should be able to demonstrate their understanding of the vocabulary describing an enzyme reaction, including the following terms: enzyme, quaternary structure, active site, substrate, products, V-max, substrate concentration, competitive inhibitors, and enzyme concentration. Background The vocabulary needed to describe an enzyme reaction can […]