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...
Nuffield Foundation
Microscale Investigations of Catalase Activity in Plant Extracts
Use indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...
Curated OER
What Makes a Plant a Plant?
For a plant unit in your biology curriculum, here is a slide show that bestows the basics of plant structure, reproduction, and classification. The information is general. The main point of the lesson is to highlight what characterizes...
Curated OER
Introduction to Plant Science
Although the formatting is less than perfect and some of the pictures are blurry, the information in this presentation on plants is pertinent. Viewers will be able to compare and contrast plants with animals. They will learn about...
Curated OER
Using Plant Pigments to Link a Suspect to a Crime
Learners use chromatography to separate plant pigments collected from a fictitious crime scene and suspects. They compare the Rf values of the plant pigments to determine whether the plant pigments found on any of the suspects match the...
Nuffield Foundation
Observing Osmosis, Plasmolysis, and Turgor in Plant Cells
Create the perfect conditions for osmosis. Young scholars use a microscope to observe plant cells exposed to distilled water or sodium chloride. They observe how osmosis creates turgid or plasmolyzed cells.
Curated OER
The Effects of Photosynthesis on Plant Growth
Students are able to draw a diagram of the light reactions and briefly describe what is occurring throughout the process. They are able to explain where each reactant/product in the photosynthesis equation comes from/goes during the...
Curated OER
Regents High School Examination: Living Environment 2010
This exam touches upon every topic within the typical first year biology course.. A broad variety of question styles give high schoolers every opportunity to show what they know. Why start from scratch when a comprehensive final exam is...
Nuffield Foundation
Interpreting an Investigation of Plant Hormones
How important is the tip of a new shoot on a growing plant? Individuals learn about the results of experiments on shoot tips and must interpret them. They apply previous learning and connect complex ideas through advanced analysis.
Virginia Department of Education
A Dichotomous Key of Virginia’s Native Plants
Can your class correctly classify plant species? Individuals explore native plants of the local environment and correctly classify them into their respective categories. They investigate differences in the plants and discuss similarities...
Biology Junction
Plant Structure and Function: Roots, Stems, and Leaves
Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...
Nuffield Foundation
Measuring Rate of Water Uptake by a Plant Shoot Using a Potometer
How quickly does a plant transpire? Learners explore this question through measuring water uptake with a potometer. They time the movement of a bubble a set distance to understand the motion and rate of speed.
Curated OER
Cells: A First-Hand View
In the first of two activities, your charges prepare wet mount slides of cork and bean sprout cells in imitation of Robert Hooke's historical investigation. An excerpt from his notes is included. Then, investigators compare animal cells...
Curated OER
Plant Hormones
Students identify different plant hormones and explain their function in plant development. In this biology lesson, students investigate how IAA affect root growth. They study the history of auxin discovery.
Curated OER
Plant Transpiration
Students conduct various experiments to investigate plant transpiration. In this biology lesson, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a potometer.
Curated OER
Ecology of The Sonoran Desert Soil Crusts: Biology, Geology
This instructional activity is designed after research done on the ecology of soil lichen in the Tucson Basin area during the summers of 1997 and 1998. Its purpose is to guide learners into adopting the problem solving thinking of...
Virginia Department of Education
Cell Parts
What do a bird, an egg, a rabbit, and a toad all have in common? This fun-filled resource explains the similarities and differences between cells and how all cells are similar, yet all are different. Learners begin by depicting a...
Biology Junction
Introduction to the Plant Kingdom
Plants provide humans with food, shelter, and medications. Scholars gain a better appreciation for plants after learning their functions, divisions, and early ancestors. Each sub-topic includes slides highlighting vocabulary and...
Curated OER
Annual Wetland Plant Diversity Survey
Learners locate an area of marsh and, by measuring the total number of individual plants in a sample area, determine whether purple loosestrife population density is correlated to the total plant diversity of the community. They...
Curated OER
Biology: Understanding Cellular Organelles
Students distinguish the differences between Prokaryotic and Eukaryotic cells. Using microscopes, they examine a variety of plant and animal cells. Working in groups, they draw and label plant and animal cells and show the mathematical...
Curated OER
CELL TRANSFORMATION IN TOBACCO LEAF DISKS
Students work with whole plant material and are not required to measure small quantities, yet they can see evidence of transformed plant cells (plant cells that have genes from bacterial plasmids). This is a laboratory suitable for...
Curated OER
Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology lesson, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
NOAA
Watch the Screen!
Can a sponge cure cancer? Life science pupils visit the drugstore under the sea in the fifth lesson of six. Working groups research the topic then get hands-on experience by testing the inhibiting effects of several plant extracts on E....
Curated OER
Factors Affecting Plant Growth
Students determine the physical and chemical factors that affect plant growth. In this biology lesson, students explain the role of hormones in plants. They investigate how competition with other plants affect their growth.
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