Curated OER
Eutrophication
Young scholars observe the effects of eutrophication and determine why it is harmful to aquatic ecosystems. They create mason jar ecosystems to observe the growth of algae in pond water. In addition, they observe the effect of...
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....
Teach Engineering
Common and Natural Logarithms and Solving Equations
Log some practice with logarithms. A PowerPoint presentation provides a tutorial on the change of base formula involving natural logarithms and solving exponential equations with logarithms in the fourth installment of a seven-part...
Cold Spring Harbor Laboratory
Genes Can Be Moved Between Species
Biotechnology changes lives every day, but how did it all start? Learn about Cohen and Boyer's technique for recombinant DNA and the founding of this new scientific study. Then, scholars use the online interactive to discover how Hanahan...
Curated OER
What Do Plants Need to Grow?
Fourth graders control variables to determine the effect on plant growth. They collect information by observing and measuring and construct simple graphs, tables, maps and charts to organize, examine and evaluate information.
Curated OER
Introduction to Graphical Representation of Data Sets in Connection to Cellular Growth
Learners practice graphing relationships between variables by studying topics such as exponential growth and decay. They conduct a series of numerical experiments using a computer model and a variety of physical experiments using mold,...
Curated OER
Dating a Volcanic Eruption
Students discover how to "read" tree rings to determine the date of a volcanic eruption and the effects an eruption has on plant growth. After a lecture/demo, students utilize a worksheet imbedded in this plan to date an eruption.
Curated OER
Chapter 16, Food Biotechnology
Although the points given on these slides are valid, the visual accessibility is poor. Consequently, many viewers would be distracted or entirely unable to view the presentation. The content is a review of microorganisms and their...
Curated OER
Transformation of E. coli with Antibiotic Resistance
Students participate in an experiment in which they transform an E. coli cell. They discover how the genetic make-up of the cell can be changed by added foreign DNA. They answer questions to complete the lab.
LABScI
Photosynthesis: How Do Plants Get Energy?
Examine the mechanism of photosynthesis through different light scenarios. Pupils vary the amount and type of light exposure on plant leaves in the fifth lesson plan in a 12-part series. Through observation, they determine the rate of...
Polar Trec
Arctic Smorgasbord!
Two blooms of phytoplankton, instead of just one, now occur in the Arctic due to declining sea ice, which will have widespread effects on the marine life and climate. In small groups, participants build an Arctic food web with given...
Curated OER
Tree-Ring Dating
In this tree-ring dating worksheet, students use activity sheets to determine a tree's age and to observe changes in climate from the tree-rings. Students investigate how archaeologists use tree rings to date evidence and they answer 5...
Curated OER
Protein Synthesis and Words
Students explain the roles of mRNA, tRNA and ribosomes. They explain how mutations can occur in an individual. Students simulate parts of a cell to access about the process of protein synthesis.
Curated OER
Heredity, Genetics, Traits
Eighth graders study how an embryo develops into a fetus by undergoing many physical changes which they observe on a poster. They examine the metamorphosis of fruit flies as they develop through a series of changes. They record the...
Curated OER
COMPARE SOILS BY GROWING PLANTS
The student will identify the difference in the rate of plant growth in three soils that vary in organic matter.1. Obtain three to four flowerpots, different types of soil, a record chart, three to five beans for each pot, and water....
Curated OER
How Old Is This Tree?
Students work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.
Curated OER
Alive or Not
In this organism worksheet, students review the characteristics that determine if something is alive or not. This worksheet has 5 fill in the blank and 7 matching questions.
Curated OER
Studying Plant Development Through Metabolic Activity
A hands-on activity which allows students to learn about cellular respiration. This lesson contains a range of investigations testing the rates of cellular respiration to demonstrate the relationship between metabolic rates of...
Virginia Department of Education
Meiosis
Intrigue the class by completing a lesson on meiosis, filled with challenging and insightful activities to spark the interest of every person in the room. Each member of the class learns about genetic disorders due to faulty meiosis, and...
Curated OER
Launching a Defense; Understanding the Human Immune System
Young scholars research online to answer and develop questions about immune system, create Powerpoint presentation to share information with classmates, and assimilate information into pictorial and/or graphical description of immune...
Curated OER
Endocrine System - Hormones
Use this attractive PowerPoint to introduce all the hormones and their functions to your students. As students view each slide, they should be able to see the relevance of many of the chemicals and their interaction with the human body....
Curated OER
Endocrine System: Hormones
Almost a duplicate of another slideshow on our site, these slides covering classes of hormones and their function, have gaps prepared for your pupils to fill in. This copy could be printed out for your class to complete as notes during...
Curated OER
Proteins
As long as you have some support information to answer questions that may come up from students, this is an excellent PowerPoint to cover almost all aspects of protein structure and ionization. The sequence of slides has great images and...
Curated OER
Where Do Plants Get Their Food?
Plants need food to survive, just like any other living organism. Young biologists analyze an experiment performed in 1610 by Jan van Helmont to determine if plant nutrition is obtained through the soil. First, lab groups work together...