Bozeman Science
The Skeletal System
Paul Andersen describes the important features of the skeletal system. He starts by comparing and contrasting endoskeletons and exoskeletons. He then explains how the human skeleton provides support, movement, storage, blood production...
Bozeman Science
Naming Compounds - Part 1
Mr. Andersen shows you how to name covalent and ionic compounds.
Bozeman Science
PS3B - Conservation of Energy and Energy Transfer
Paul Andersen explains how energy is conserved within a system. In both macroscopic and microscopic collisions the amount of energy before the collision is equal to the amount after. He then defines heat as energy transfer between...
Bozeman Science
Human Population Impacts
In this video Paul Andersen talks about the impacts of human growth on the environment and on themselves. The population, affluence, and destructive technology of a population impact the environment according to the IPAT equation. An...
Bozeman Science
Newton's Three Laws of Motion
Mr. Andersen defines Newton's three laws of motion. He describes how the first law relates to inertia, how the second law relates to mass and acceleration, and how the third law allows a rocket to launch.
Bozeman Science
A Tour of the Periodic Table
Mr. Andersen describes the major groups on the periodic table.
Bozeman Science
Resistivity
In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...
Bozeman Science
Simple Machines
Mr. Andersen explains the simple principles behind simple machines. He shows how the mechanical advantage of a simple machine can increase the input force. A brief discussion of work is also included.
Bozeman Science
Series and Parallel Circuits
Mr. Andersen contrasts series and parallel electrical circuits. A simulation is used to visualize electron flow through both circuit types.
Bozeman Science
A Beginner's Guide to Balancing Equations
Mr. Andersen explains the basics of balancing chemical equations. A visual guide shows you how to change coefficients to balance the atoms in reactants and products.
Bozeman Science
Electric Circuits
In this video Paul Andersen explains how electric circuits contain different elements which can be connected in series or in parallel. The following four elements are explained in detail; emf, resistor, capacitor, and switch. The voltage...
Bozeman Science
A Tour of the Cell
Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work...
Bozeman Science
Quantum Mechanical Model
In this video Paul Andersen explains how the quantum mechanical model of the atom refined the shell model. Uncertainty of the position of the electron as well as spin forces chemists to create an improved model. In this model the...
Bozeman Science
Elements and Molecules
In this video Paul Andersen explains how elements and molecules are made of atoms. In a pure sample of a pure substance the average mass remains the same. If more than one atom is found in a molecule the ration of average masses remains...
Bozeman Science
Significant Digits
Mr. Andersen explains significant digits and shows you how to use them in calculations.
Bozeman Science
ETS2B - Influence of Science, Engineering and Technology on Society and the Natural World
In this video Paul Andersen explains how society influences the natural world through increasing science, engineering and technology. As the world population increases it will require more natural resources and it will impact the global...
Bozeman Science
ATP: Adenosine Triphosphate
Paul Andersen explains the structure, function and importance of adenosine triphosphate (ATP). He begins by describing the specific structure of the molecule and its three main parts: adenine, ribose sugar, and phosphate groups. He...
Bozeman Science
Ecosystems
Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually leads to logistic growth. Real data from Yellowstone...
Bozeman Science
PS3A - Definitions of Energy
Energy has many forms ... but very few sources! How do we present this to young scientists? Explore the Definitions of Energy, PS3A, in a video about the Next Generation Science Standards. The narrator keeps it simple by relating...
Bozeman Science
NGSS: Stability and Change
Build a strong foundation for your teaching of stability and change! The video addresses the Next Generation Science Standards Cross-Cutting Concept through insightful examples. The narrator includes ideas for introducing the standard in...
Bozeman Science
Drawing Lewis Dot Diagrams
Viewers get a step-by-step explanation for drawing Lewis Dot Diagrams with a video that includes numerous examples of atoms, simple molecules, and how to represent covalent bonds.
Bozeman Science
Organ Systems
Blood passes through the kidneys about 300 times a day. Show your class how the kidney and bladder work together to filter blood in the excretory system. This 19th video in the series explores how the circulatory and respiratory systems...
Bozeman Science
Classification of Life
Kids Prefer Cheese Over Fried Green Spinach is one way to remember the classification system in order. In the video, scholars learn the classification system for all organisms on Earth. They listen to a brief history of taxonomy,...
Bozeman Science
Digestive System
The human body produces about 1.7 liters of saliva a day to aid in digestion. Here is a video that explores the digestive system, highlighting the difference between mechanical and chemical digestion. Scholars then see each organ of the...