Bio Topics
Bio Topics: To Show the Effects of Temperature on Fermentation by Yeast
In this classroom lab experiment, students measure the effects of temperature on yeast growth and reproduction.
Bio Topics
Bio Topics: To Monitor the Progress of Fermentation of Different Sugars by Yeast
In this classroom lab experiment students measure progress of sugar fermentation by yeast using a hydrometer.
Bio Topics
Bio Topics: Demonstrate the Effect of Temperature on Fermentation by Yeast
Using grape juice as the yeast's food, this lab experiment allows students to test the effect of temperature on yeast fermentation.
Bio Topics
Bio Topics: The Effect of Light Intensity on the Rate of Photosynthesis
Testing different amounts of light intensity, students conduct a photosynthesis experiment with the pond plant, elodea.
Bio Topics
Bio Topics: Competition
Find out about what types of resources different species will compete to obtain. Answer competition questions by mousing over different pictures of animal and plants.
Bio Topics
Bio Topics: Food Chains and Webs
Trace the energy transfer through food chains and food webs. Check your understanding by hovering your mouse over questions to reveal the answers.
Bio Topics
Bio Topics: Measuring Population Sizes
Read and understand the concept of ecological population counts and sizes. Hover the mouse over questions to reveal the answers as you sharpen your skills.
Bio Topics
Bio Topics: Ecological Pyramids
A colorful tutorial about ecological pyramids. Read the information, and then check your understanding with some questions and answers about the topic.
Bio Topics
Bio Topics: The Two Methods of Reproduction
This brief tutorial illustrates the difference between asexual and sexual reproduction in organisms. Check your understanding with the mouse-over review questions.
Bio Topics
Bio Topics: The Human Respiratory System
Print this resource off as a worksheet or use it as a teaching tool. The site provides viewers with the ins and outs of the human respiratory system. Label diagrams, list the order of the route of air, note the mechanism of breathing,...
Bio Topics
Bio Topics: Direct Observation of Yeast Population Growth
In this classroom lab experiment, students mimic optimal growth conditions for yeast, and with the help of a microscope, observe and record results using a cell counting method.
Bio Topics
Bio Topics: Feeding Relationships in an Ecosystem
This overview of feeding relationships illustrates to students the trophic levels of different organisms in an ecosystem. Hover the mouse over different terms to see their definitions.
Bio Topics
Bio Topics: Cloning of Human Body Parts
Find out if cloning human body parts for the purpose of transplant is possible in this interactive worksheet. Read the information, and then hover the mouse over review questions to reveal the answers.
Bio Topics
Bio Topics: Nervous Co Ordination
A quick review to help students understand the function of different types of neurons in the human body.
Bio Topics
Bio Topics: The Iris Reflex
This reference gives a quick-access look at the structure and function of the iris reflex in the human eye. Includes an organized flow chart showing what happens inside the eye. Hover the mouse over terms to see their definitions.