Curated OER
Investigating the Effect of Minerals on Plant Growth
How do different minerals affect the growth of plants? Budding botanists find out in a multi-week experiment that has them using solutions with specific mineral deficiencies. While there is a lot of preparation for the investigation,...
University of Wisconsin
Noting Notable Features for Rain Gardens
Eight groups in your class are each responsible for a different aspect of surveying the campus for a suitable rain garden location. Features to consider include water flow, topography, sun/shade patterns, land surface, vegetation,...
It's About Time
Photosynthesis, Respiration, and the Carbon Cycle
Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...
American Chemical Society
The Energy of Evaporation
Do all liquids evaporate at the same rate? Young scientists observe the evaporation rate of three different liquids. They measure the time, the temperature, and the change in energy. After comparing the chemical formulas, scholars...
Nuffield Foundation
Extracting DNA from Living Things
Help! Someone's trying to take my DNA! An interesting lab experiment has scholars use basic materials to extract DNA. By applying ethanol, cold water, and a protease enzyme, like pineapple juice, they pull strands of DNA from peas,...
Nuffield Foundation
Investigating Anti-Microbial Action
Join the fight against bacteria. An open investigation shows pupils different aspects of antimicrobial substances, such as disinfectants, deodorants, or plant oils. They design and conduct their own experiments on the effectiveness of...
University of Washington
Using Modeling to Demonstrate Self-Assembly in Nanotechnology
Do polar opposites attract? After an introduction on the polarity of molecules, pupils are asked to design a self-assembling model using materials with different polarity. The challenge should motivate learners to develop a workable...
DiscoverE
Water Pollution Cleanup
How do scientists determine the best method for removing pollutants from our water sources? Environmental scholars experiment with pollution clean-up options to discover which are the most cost-effective, fastest, and most thorough....
Curated OER
Investigating Mitosis in Allium Root Tip Squash
Preparing the root tip samples is the most challenging part of the mitosis-viewing lab found here, but the directions help ensure you have everything you need. There is no worksheet included; however, there is a sample data table....
Curated OER
Local Heart Rates
Learners determine the type of data needed to test their inferences. As homework, they check and record heart rates of fellow students, teachers and family members. During their next class period, learners enter all data into the database.
Curated OER
Growing Plants with Worm Castings
Students test worm castings for content and use them to grow seeds. They hypothesize which castings best sustain seed growth. They observe growing plants to test their hypotheses. Later they graph their data.
Curated OER
Who Turned the Lights Out?
Students discover the life cycle of butterfly by observing its growth from egg to caterpillar and the formation of its chrysalis. Students conduct an experiment in which they design housing for the chrysalises which are either in full...
Curated OER
Superbugs and Antibiotic Resistance
Students complete experiments on antibiotics and antimicrobials. In groups, they explain how antibiotics affect the evolution of microorganisms. They test various types of bacteria to discover how much resistance they have to antibiotics.
Curated OER
Chromatography of Foods
Students complete a counter top chemistry experiment on the chromatography of foods. The experiment is based upon the relative attraction of the components of the mixture for the mobile phase (water) and the stationery phase (paper).
Curated OER
Designing An Investigation
Students will design a scientific investigation. In this engineering design lesson, students will set up an investigation, collect data and form a conclusion about bridge design. They will use common household items to construct their...
Curated OER
Working with Questions
Students explore questions in a scientific context. They consider what makes questions testable. After reading short scenarios, students come up with their own testable questions about the reading.
Curated OER
Endeavor: Preparing Ourselves for Future Destinations
Students define the word endeavor and then practice the art of self-discipline. They create character trait charts and discuss how strong character traits help students meet their future destinations.
Curated OER
Buddy, Are You Ready?-Preparing for School Emergencies
Students explore natural disasters by reading stories about volcanoes, earthquakes, floods, and hurricanes. They explore safe behaviors in order to understand what to expect in a catastrophe. Students practice safe evacuation procedures...
Teach Engineering
Chromatography Lab
Groups use alcohol and chromatography paper to separate the color components of black ink. The purpose of the activity is to allow the class to become aware that mixtures exist in hidden places.
Curated OER
Recycling: The Way to Save...Fad or Fact
Pupils write stories about recycling and illustrate them. They examine various containers and determine whether or not they are recyclable. They make a chart about the containers and visit a recycling center.
Curated OER
What Floats Your Boat?
This open-ended boat building exercise is meant to be part of a three-lesson series on ships. Links to the other two lessons are included. This particular part is mostly a group lab activity in which they build a boat, find its load line...
Curated OER
Agriculture Defined
Open your Agriculture 101 course with a lesson on defining agriculture. Guide your class with thought-provoking questions and discussion. Give them time to play the card game, "Pit" in order to experience commodity exchange. This is a...
Curated OER
Fun with Electromagnets
Junior scientists work in groups to construct electromagnets. They experiment by varying number of wraps around the nail, the diameter of the nail, and the type of metal the nail is made of to see if any of these factors has an...
Curated OER
Prairie, Stream, Forest for Junior High Students
Eighth graders take field trips to prairies, streams and forests in Illinois. During the field trip, they complete a worksheet to observe what they see and discuss it when they get back to school. They share their experiences through...