Craig Beals

Craig Beals Teacher Billings, United States of America

User videos

Photosynthesis: Overview
Craig Beals explains the basics of Photosynthesis. The following organelles and process are explained: Thylakoid, NADP, NADPH, ATP, ADP, Calvin Cycle, Water, Sugar, Glucose, Oxygen, Carbon Dioxide, Chlorophyll, Chloroplasts. The worksheet/handout can be downloaded at
Photosynthesis: ATP and ADP Cycle
Craig Beals explains how ATP and ADP cycle during Photosynthesis. The following are examined: ATP, ADP, Chlorophyll, Chemical Energy, Cells, Phosphate groups, etc. To download of copy of the handout / worksheet go to:
Photosynthesis: Calvin Cycle
Craig Beals outlines the basics of the Calvin Cycle during Photosynthesis. The following are examined: ATP, ADP, NADP+, NADPH, CO2, O2 Find the worksheet at the following link:
Cellular Respiration
Craig Beals explains the basics of Cellular Respiration including Glycolysis, the Krebs Cycle / Citric Acid Cycle, and the Electron Transport Chain. The following are examined: Cytoplasm, Mitochondria, Nucleus, Glucose, ATP, ADP, NAD+, NADPH, NADH, Pyruvate, and more! The worksheet can be downloaded at:
Significant Figures & Significant Digits: The Rules!
Craig Beals answers the question, "How many places after the decimal should my answer have?". He shows the importance of significant figures, how to count significant figures, and how to accurately show a mathematical answer in the correct number of significant figures.