S2tem Centers SC
Seasons
Winter, spring, summer, and fall—take the learning of the seasons beyond the elementary level to the middle school classroom. Curious learners begin by watching videos about the seasons and the rotation of planet Earth. Then,...
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Substances that decompose with the help of living organisms do so at different rates. Scholars experiment with Winogradsky columns to determine the rate of decomposition, the oxygen and sulfide content changes, and bacteria levels. The...
Howard Hughes Medical Institute
Beaks as Tools: Selective Advantage in Changing Environments
How does nature select some adaptations over others? Scholars experiment picking up seeds with two different types of tools simulating beaks. After practicing, they experience a drought where one type of seed suddenly isn't available....
Curated OER
Using a Controlled Experiment to Identify Two Unknown Plasmids
Student demonstrate knowledge of recombinant DNA techniques (restriction enzyme digest, gel electrophoresis, and staining gel). They demonstrate skills needed to complete a gel electrophoresis and interpret a stained gel. Pupils solve...
Curated OER
THE CELL: DESIGN AND FUNCTION
After studying the structure and functions of living cells using textbooks, internet or encyclopedias, students prepare a PowerPoint presentation on cell structure and present it to the class.
University of Wisconsin
Infiltration Test: Exploring the Flow of Water Through Soils
Soil scientists gain experience with an infiltrometer can to determine the infiltration rates at different locations on campus. If you are using the entire unit, the class has already analyzed water flow and soil types, so they should...
Purdue University
Light – Just Right!
What does it mean to be resistant to electricity? Scholars answer the question in a six-part STEM instructional activity on electricity. They begin by assessing the conductivity of several different materials and progress to designing...
Curated OER
Ice Cream: a Taste of Science!!
Learners define the term solution. They explain conservation of energy and energy transfer as it relate to how the milk solution became ice cream. Students are able to explain freezing point depression.
Purdue University
Getting the Dirt on Decomposition
Sometimes science requires getting a little dirty. A hands-on lesson explores the idea of decomposition by building a compost structure. Using red worms and dirt, individuals build and collect data on the rate of decomposition. The STEM...
American Chemical Society
Developing Tests to Distinguish Between Similar-Looking Liquids
Each group talks about how to test unknown liquids based on their findings in the previous experiment. In this second of four activities, they test unknowns on wax paper, newspaper, and construction paper. As a stand-alone, this lesson...
Education Outside
Leaf Adaptations
Long life or a fast life cycle? Class members each gather a leaf, observe its characteristics such as texture, surface, scent, design, shading, and size and then discuss the adaptations made for survival as well as what the leaf reveals...
Chemistry Collective
Virtual Lab: Gravimetric Determination of Arsenic
Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.
Curated OER
Lesson 5: Designing an Experiment
The intent of this lesson is to introduce young scientists to the steps of the scientific method. To this end, they consider the question, "Which brand of battery lasts longest?" In this case, the experiment is carried out as a class,...
Curated OER
WET Science Lesson #3: Comparison of Aquatic and Terrestrial Plants
Elementary life science explorers compare and contrast aquatic and terrestrial plants (elodea and soybeans) in a Venn diagram. Some background information is provided to support direct instruction, and general instructions are provided...
Curated OER
Research Question, Hypothesis and Experimental Design
Students discuss steps of the scientific process, as well as, observe a picture of the beach that they will visit. Students create a testable hypothesis about marine debris at the beach. In this science lesson, students create a...
Curated OER
Physical Science: Bridge Building
Learners study bridges and design and build their own. They explore different types of bridges and build a basic beam bridge in pairs. After creating their beam bridge, they design a truss bridge and then build a suspension bridge and...
Curated OER
Density and Buoyancy Experimental Design
Learners must plan, design, and conduct an experiment that answers the scientific question: "Come up with a question that addresses the factors (variables) of the water and its effect on whether an object floats or sinks."
Curated OER
Creating an Experimental Design
Students research the damage to the environment by certain plant species. They create an experimental design which they test how these species take over certain habitats. They share their information with the class.
Curated OER
EGG-cellent POLYMER PACKAGING DESIGN
Students investigate the concept of a polymer using an experimental design of protecting an egg in a bookbag. They test the properties of polymers and form an educated solution to the proposed problem. Then they describe the steps used...
Curated OER
Science Super Saturday
Students share their science expertise with elementary students in a conference format. Elementary students rotate through sessions of different science disciplines (Biology, Earth Science, Physics, Chemistry, Computers).
Curated OER
The Appliance of Science
Students delve into science fiction. In this Doctor Who lesson, students discuss the success of the British television show and then create pieces of writing and art that characterize Doctor Who. Students also visit selected websites to...
Curated OER
Experiment Report
In this experimental design worksheet, students fill out their title, hypothesis, independent and dependent variables, data table, graph and conclusion for their lab.
Curated OER
Fertilizer Frenzy
Ninth graders design and conduct an experiment. They evaluate other's experiments. Students describe relationships between biological systems and the environmental contaminants. They work as a team to solve a problem.
Curated OER
Alka Rockets
Young scholars design a paper rocket propelled by Alka-Seltzer and water to demonstrate Newton's third law of motion. They, in pairs, determine the best combination of Alka-Seltzer and water to produce the maximum launch height and...