Bozeman Science
Thinking in Systems - Level 3 - Inputs, Processes and Outputs
In this video Paul Andersen shows conceptual thinking in a mini-lesson on inputs, processes and outputs in a system. TERMS: System models - a representation of a system Interactions - reciprocal (two-way) action or influence Inputs -...
Bozeman Science
Practice 2 - Developing and Using Models
Paul Andersen explains the importance of modeling in science and engineering. Models are used by scientists to explain phenomenon. Unlike mental models, conceptual models can be shared by all scientists to improve our understanding of...
Bozeman Science
Blended Learning Cycle
Paul Andersen explains how he is using the blended learning cycle in his science classroom. This cycle moves through the following steps; QUestion, Investigation/Inquiry, Video, Elaboration, Review and Summary quiz
Bozeman Science
Thinking in Systems - Level 4 - Hierarchy of Systems
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the hierarchy of systems. TERMS: System interactions - Complex systems - consisting of many different and connected parts Sub-systems - a self-contained system...
Bozeman Science
Behavior and Natural Selection
Paul Andersen explains how the behavior of various organisms is shaped by natural selection. The action of phototropism and the timing of photoperiodism have both been shaped by the relative availability of light. Courtship in the...
Bozeman Science
Concept 7 - Stability and Change
Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...
Bozeman Science
Aposematic Coloration
Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also...
Bozeman Science
Thinking in Systems - Level 6 - Boundary and Initial Conditions
In this video Paul Andersen shows conceptual thinking in a mini-lesson on boundary and initial conditions within systems. Boundary conditions - the dividing line between system and environment Initial condition - the beginning state of...
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The Synapse
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
Bozeman Science
PS4C - Information Technologies and Instrumentation
In this video Paul Andersen explains how humans use information technology and instrumentation to better understand their surrounds. Technologies (including X-rays, computers, and phones) use electromagnetic waves to improve the lives of...
Bozeman Science
Chemical and Physical Processes
In this video Paul Andersen explains the difference between chemical and physical processes. Chemical processes occur when bonds are broken and reformed. Physical processes occur when intermolecular forces are broken and reformed. A...
Bozeman Science
Thinking in Systems - Level 1 - Parts Working Together
In this video Paul Andersen shows conceptual thinking in a mini-lesson on systems as parts working together. TERMS System - a set of components (e.g. things) working together Part - a piece of an object or organism This progression is...
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Evolutionary Significance of Cell Communication
Paul Andersen describes how cell communication is used in both single-celled and multicellular organisms. He starts by describing the symbiotic relationship between the bobtail squid and the bacteria Vibrio fisheri. He explains how...
Bozeman Science
Thinking in Systems - Level 2 - Components and Interactions
In this video Paul Andersen shows conceptual thinking in a mini-lesson on components and interactions within systems. TERMS: System - a set of components (e.g. things) working together Components - a part of a larger whole Interactions -...
Bozeman Science
Viral Replication Simulation
Paul Andersen explains a viral replication simulation that he created for his AP Biology class. He used Google docs to keep track of viral strains, Moodle messaging to pass the virus from student to student, and dice to generate mutation...
Bozeman Science
Using Game Design to Improve My Classroom
Paul Andersen explains how he is using elements of game design to improve his AP Biology class. The entire class revolves around Moodle. Students complete levels to acquire experience points and move up the leader board
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Thinking in Causation - Level 2 - Testing Causes
In this video Paul Andersen shows conceptual thinking in a mini-lesson on testing causes. TERMS: Tests - a planned act that is done to learn something Cause - a thing that gives rise to an event Support - to give assistance to Refute -...
Bozeman Science
LS4A - Evidence of Common Ancestry and Diversity
In this video Paul Andersen describes several types of evidence for common ancestry. This evidence is contained in the fossils, embryos and molecules of living organisms. Even though life on our planet is incredibly diverse there are...
Bozeman Science
Conservation of Angular Momentum
In this video Paul Andersen explains that the angular momentum of a system will be conserved as long as there is no net external torque. Both point objects and extended objects are covered along with several examples.
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Thinking in Matter - Level 1 - Objects and Pieces
In this video Paul Andersen shows conceptual thinking in a mini-lesson on Objects and Pieces. TERMS Characteristic - a feature or quality belonging to a thing Object - a material thing that can be seen and touched Piece - a part or...
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Thinking in Causation - Level 1 - Cause and Effect
A mini-lesson on cause and effect.
Bozeman Science
Le Chatelier's Principle
In this video Paul Andersen explains how Le Chatelier's Principle can be used to predict the effect of disturbances to equilibrium. When a reversible reaction is at equilibrium disturbances (in concentration, temperature, pressure, etc.)...
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LS1B - Growth and Development
Paul Andersen answers the following question: How do organisms grow and develop?
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AP Biology Practice 4 - Data Collection Strategies
In this video Paul Andersen describes the science practice of data collection. He begins with a brief description of science and the scientific method. He details concepts related to data collection in each of the four big ideas. He then...