Curated OER
Stomata: Microscopic Openings that Let Plants Breathe
Students participate in a lab experiment to observe and measure the opening and closing of stomata. They focus on photoperiod, locate and identify stomata on a leaf and explain the role of stomata in the daily functioning of a plant.
Curated OER
The Electric Sieve
Students examine different mixtures and how they can be separated. In this electric sieve instructional activity students complete an activity that allows them to separate mixtures.
Curated OER
Enhancing Uptake of Glucose in Rabbit Muscle Cells
Students observe diffusion of glucose through a cell membrane and research the function of chromium picolinate in glucose uptake into a cell. They conclude and understand the role of insulin and chromium picolinate in the uptake of...
Curated OER
Enzyme Activity: An Inquiry Based Approach
Students explore biochemical reactions mediated by enzymes in an inquiry approach. They are given two questions about the types of living materials that contain the enzymes that break down hydrogen peroxide, and under what conditions the...
Curated OER
Enzyme Activity: An Inquiry Based Approach
Using an inquiry approach to studying biochemical reactions, cooperative teams of students investigate hypotheses about living materials that contain enzymes which break down in hydrogen peroxide. They perform experiments, practice...
Curated OER
Critical Analysis of Evolution
Tenth graders discuss anomalies in nature and science. They discuss times that anomalies led to the collection of data that explained the phenomena and contributed to changing scientific understandings. Students work in groups to...
Curated OER
Data Handling
In this data handling learning exercise, students explore multiple ways to represent data. They create stem and leaf plots, histograms, and bar charts. Students examine and interpret diagrams and statistics. This eleven-page learning...
Curated OER
Inquiry-based Investigations into Pond Water Microorganisms
Students become familiar with common microorganisms and experience exploring the microbial world.
Curated OER
Groundwater Detectives
Students measure the pH of soil samples from a hypothetical site to locate a contaminant spill and will predict the direction of groundwater flow using mathematical modeling. They use the engineering design process to develop...
Curated OER
What is a Living Thing, and How Does a Living Thing Respond to Its Environment?
Students investigate how living things interact with their environment. In this living things lesson plan, students complete lessons for science investigations on what living things have in common. Students study cells, complete...
Curated OER
Observing Osmosis in a Chicken Egg
Tenth graders develop a hypothesis and explain what they observed on an activity. For this investigative lesson students observe osmosis and report their data using a graph.
Curated OER
Drifting Downward
Students study the effects of different salients and temperatures on vertical movement of an organism. In this experimental lesson students design different shapes of foil to simulate drifting planktonic organisms.
Curated OER
Electrophoretic Analysis: DNA Fingerprinting and Evolutionary Divergence
Students examine the principles of electrophoresis. They evaluate both the agarose and polyacrylamide system of molecular separation. In order to bring the concepts of genetics and evolution full circle from DNA to protein, students...
Curated OER
Food Safety and Quality Assurance
Students identify and interpret how milk is processed and learn important concepts in food safety and quality assurance. They identify how milk is processed, the importance of food safety, and the quality assurance process. Students also...
Curated OER
Study of the Cell
Students draw a diagram to show the fluid mosaic model of a membrane. They explain how hydrophobic and hydrophilic properties help membranes hold their shape. They identify the functions of different cell membrane proteins as well.
Curated OER
Selecting Soil Organisms in Compost
Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...
Curated OER
Termite Lab
Students examine insect behavior in a lab activity. Students explore the idea of chemical specificity and the reactions of termites to a chemical found in their trail pheromone. Students watch a demonstration with termites before...
Curated OER
Fish and Oxygen
Students explore what factors affect population dynamics, identify factors affecting fish populations, and use Stella to model how dissolved oxygen affects fish populations.
Curated OER
Field Experiments on Succession
Student develop a hypothesis regarding the effects of either mowing or fertilizer upon the diversity of plant species in a grassland ecosystem. They set up experiment field plots and measure species richness.
Curated OER
Effects of Seed Soaking on Germination
Learners explain the standard growth pattern of a monocot seedling and word process a finished essay.
Curated OER
Mass vs. Weight
Students make generalizations about weight and mass by engaging in two hands-on experiments. In this weight and mass lesson plan, students weigh both an empty beaker and beakers with various amounts of weight inside of them in order to...
Curated OER
Science: Put Your Heart into Engineering
Students examine the heart and vascular system and the need for artificial valves. After explaining how heart valves function, they design their own heart valves for experimentation. They predict the speed of fluid flowing through...
Curated OER
Superbugs
Students research deep sea communities and discover strategies for combating antimicrobial resistance and write reports on it. They consider overprescription and prophylactic uses of antibiotics as causes for their ineffectiveness.
Curated OER
Genome: The Secret of How Life Works
Students become aware that genetic issues impact many areas of life, such as medicine, food and agriculture, and law. They become aware that there are many ethical issues related to genetics.