Cornell University
Plant Cell Crime Scene
Use science to solve the mystery of the Poplar murder. Pupils use forensic botany to determine if a suspect could be the killer. By analyzing images from a Transmission Electron Microscope, learners determine if the material found on the...
Curated OER
Human Cloning: Is it Biological Plagiarism?
Is cloning good or harmful? Help your class understand the risks and benefits as they read, research, and discuss human cloning. Individuals form teams, research information, and present to the class before concluding with an in-depth...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
Serendip
Where Does a Plant's Mass Come From?
Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.
Curated OER
Inheritance Patterns in Zorks
In this inheritance patterns worksheet, students create a visual of a Zork using chromosome strips to represent alleles from the father and the mother to determine the traits in the offspring. Students translate the genotype to the...
Curated OER
The Dichotomy of Viruses
Students benefit from an education about these nonliving pathogens.
Curated OER
Studying Fossils
Students compare and contrast key skeletal differences between chimpanzees and humans: brain size, teeth, hand and thumb, trunk, pelvis, lower limb, foot and big toe. They then sort and group a set of mixed "fossil bones" of chimpanzee...
Curated OER
Comparing Fossils
Students explore early hominid evolution as they analyze bones that share characteristics of both apes and humans. Students compare and contrast key skeletal differences between chimpanzees and humans. In groups, they sort and group a...
Curated OER
You Gave Me What?
Students see how an infectious disease such as AIDS may be quickly transmitted throughout a population. They conduct a simulated transmission of an infectious disease and mathematically determine the number of possible infected individuals.
Curated OER
Ladders of Life
Students explore the field of genetics. They examine four basic traits. Students demonstrate their knowledge of phenotype and genotype by charting their personal traits. Students compelte a Meiosis chart. From the chart results,...
Curated OER
How Do Organisms Reproduce
Middle schoolers examine the difference between mitosis and meiosis, and describe the steps involved in meiosis and the significance of each step. They create a diploid nucleus containing two pairs of chromosomes using clay.
Curated OER
Ethical Ways to Acquire and Distribute Fish as a Food Source
Learners complete a variety of activities as they examine the ethics of acquiring and distributing fish as a food source. They touch on the ethics involved in genetically modified salmon, as well.
Curated OER
Survivors on the Ocean Ridge
Students discover the uniqueness of deep sea hydrothermal vent organisms through an exploration of the NOAA Galapagos Rift Expedition. They study the genetics and evolution of a shrimp species that lives near the vents then they...
Curated OER
What is all the Fuss about?
Students brainstorm a list of science discoveries and inventions that they think are important. They work in small groups, students examine 1-3 science discoeries more closely. Each group needs a recorder, and they answer three...
Curated OER
Tobacco Smoking and Lung Cancer
Students explore tobacco smoking and the impact it has on society. In this health lesson students complete several experiments on smoking and lung cancer.
Curated OER
Teacher Preparation Notes on Genetics
Students explore genetics through various hands-on activities. In this biology instructional activity, students predict the probability of offspring genotypes and phenotypes using the Punnett Square. They explain the causes of genetic...
Curated OER
Cells Study Questions and Definition
In this cells worksheet, students define 14 words associated with cells. They answer 12 short answer questions about the structure and function of the cellular system.
Curated OER
"Publication" of Scientific Papers And Posters
Students create and display a scientific poster in the same format that scientists use at a research symposium. They compile data and make conclusions about the classification of the Arizona Hedgehog Cactus as an endangered species. ...
Curated OER
Cell physiology and chemistry
Students design an experiment to discriminate between chemical diffusion, osmosis, facilitated diffusion and active transport through a membrane. Be specific about predictions and interpretations!
Curated OER
The Mysteries of Twins
Third graders experience reading in the content areas by reading about heredity and practicing summarizing the reading.
Curated OER
GMOs: Should We Grow Them?
Students examine the ethics of biotechnology and genetically modifying various organisms. They complete various activities and labs on GMOs and then write a position paper regarding their individual opinions on the subject.
Curated OER
Onion Skins
Students explore the structure of a plant cell. They carefully peel a single layer of onion skin from a slice of onion and stain it with methylene blue to observe the structures inside. They use a Digiscope connected to a computer to...
Curated OER
Born of Blood
Students define attributes of human chromosomes and match them to make a human karyotype. In this investigative instructional activity students demonstrate how traits are encoded in genes found on chromosomes.
Curated OER
The Effects of Ultra-Violet Light on Yeast
Students work in small groups collecting and analyzing data as they learn how to best grow yeast. This lesson allows students to conduct several student-created experiments as they continually generate questions and hypotheses. ...
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