Curated OER
Generating Hypotheses & Experimental Design 2
An outline walks your scientists through the steps of the scientific process. It begins by taking a general idea and developing a hypothesis based on related factors. Each investigator then plans a method for testing the hypothesis,...
Curated OER
Generating Hypotheses and Experimental Design 1
Here is a thorough exercise in forming hypotheses for scientific investigations. Young scientists consider factors that may be related to the question they would like to address. They think through measurable changes that may result from...
Florida International University
Design Your Own
Apply scientific principles to designing an experiment to study organisms living on the coral reef in our oceans. Through reading, individuals learn about the coral reef ecosystem and important factors that affect its function. Using the...
Howard Hughes Medical Institute
Tracking Genetically Modified Mosquitoes
What's that buzzing in your ear? An insightful lesson about genetically modified mosquitoes! Partnered pupils explore the creation, release, and monitoring of mosquitoes designed to reduce the mosquito population. After watching a video,...
College Board
2013 AP® Biology Free-Response Questions
AP® free-response questions are often challenging for scholars. Give them practice writing free-response questions using former questions from the AP® Biology exam on topics such as genetic mutations, cellular respiration, evolution, and...
Virginia Department of Education
Scientific Process and Experimental Design
The scientific method keeps you from believing only what you want to believe — it expands your mind. The lesson introduces the eight steps in the scientific process and how to design an experiment to biology scholars. Live insects...
Curated OER
Open Inquiry Using C. elegans
Ever wondered what motivates a roundworm? Introduce your biology class to C. elegans, a non-parasitic model organism that can help them understand behavioral stimuli. Paired pupils design an experiment to test the worm's reaction to...
American Physiological Society
Effects of Environment on Enzymes
Much like the tale of Humpty Dumpty, proteins, once altered, will never be the same again. Honors and pre-AP biology classes explore the delicate world of enzymes via a Webquest and lab experiment. The teacher's guide contains all...
Curated OER
AP Biology Lab Review
A seventy-two slide PowerPoint that reviews several lab explorations done in an AP Biology course. For each lab there is a description, concepts, and conclusions. Many pictures and graphics make this visually appealing, but it would not...
Teach Engineering
Dirty Decomposers
Do not let the class just sit and rot. Pupils learn how decomposition and nutrient recycling is important to an ecosystem. Groups design an experiment to determine how environmental conditions affect decomposition. They develop a poster...
University of Minnesota
Chemotaxis Using C. elegans
Have you ever wondered what roundworms are like? Or what they don't like? Explore the sensory preferences of C. elegans through this controlled chemotaxis experiment. Biology class members brainstorm what substances might attract—or...
Howard Hughes Medical Institute
Patterns in the Distribution of Lactase Persistence
We all drink milk as babies, so why can't we all drink it as adults? Examine the trend in lactase production on the world-wide scale as science scholars analyze and interpret data. Groups create pie charts from the data, place them on a...
Curated OER
Microbes That Are Your Buddies - Biology Teaching Thesis
Students analyze experimental data and draw conclusions. They are able to comprehend that not all microbes are harmful--they can be helpful to humans. Students are able to comprehend specific examples of cases in which microbes are...
Curated OER
Testing a New Drug 1
Students act as chief research scientists with the responsibility of testing a new drug. Students design a controlled experiment to test a hypothetical experimental drug. Students write a clear, concise, and detailed plan to present to a...
Curated OER
Organs to Go...
Students explain the principles of experimental design and reinforce the steps of the scientific method. Each group of students create a "slush" type mixture to store a chicken liver.
Howard Hughes Medical Institute
Seed Dispersal in Tropical Forests
How do seeds get around? It's not like plants can control seed dispersal—or can they? Dig deeper into the amazing mechanisms of seed dispersal observed in tropical plants through interactives, a video, and plenty of hands-on data...
Curated OER
And Just How DO You Kill A Weed?
Students explain chemical, cultural and biological weed control methods. They design and conduct an experiment to simulate a weed control method and explore various ways to prevent weed dispersal.
Curated OER
Every Breath You Take
Students study acids and bases and the uses of indicators. They interpret the actions of an indicator to conclude that bromothymol blue turns yellow in the presence of a weak acid.
Curated OER
Window Gardens
High schoolers use a plastic sandwich bag containing a damp paper towel taped to a window as a model system to observe the germination and early growth of radish seeds. They are challenged to pose a question about seed germination and...
Curated OER
Reinforcing the Scientific Method
Seventh graders explore a variety of situations and make hypotheses before designing possible experiments. They then are presented with an experiment actually done to solve the original problem and compare it with their results. Students...
Virginia Department of Education
Prokaryotes
Lead your biology class on a cell-sized adventure! Emerging scientists construct models of prokaryotes, then design an experiment to properly grow a bacterial culture. They conclude the activity by viewing the culture under a microscope....
Curated OER
The Marvels of Mud
Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine the role that...
Rice University
Introductory Statistics
Statistically speaking, the content covers several grades. Featuring all of the statistics typically covered in a college-level Statistics course, the expansive content spans from sixth grade on up to high school. Material comes from a...
Curated OER
Experimentation with Teratogens on Zebrafish
Students compare mitosis and meiosis with regard to chromosome number in parent cells versus daughter cells, types of cells produced, total number of cells produced, and the number of divisions. In groups, identify and differentiate the...