Curated OER
Bacteria Lab I: Preparing Agar Plates and Culturing Bacteria
Bacteriologists prepare their own agar plates and culture bacteria on them. The procedures for both tasks are delineated, and questions are posed, but no materials list is printed. Also, the exact amounts of water and nutrient agar are...
Curated OER
Soil Porosity, Moisture Content, pH, and Density
This lab activity does not have to be done with AP environmental scientists. It can also be done with middle to high school earth scientists. The procedures aren't complex. Learners determine the density of dry and wet sand in order to...
Curated OER
Breathing and Holding Your Breath
Five questions are presented and answered as a means of delivering information on the respiratory system. Using red and blue game chips, physiology learners model the movement of blood through the lungs. Groups of learners time how long...
Curated OER
What Parts of a Plant Do We Eat?
Did you know that tomtoes and cucumbers are actually fruits? Biology or botany beginners read about the function of flowers and fruit and find that some food items commonly called vegetables are, by definition, also fruits! Give learners...
Curated OER
Moldy Jell-O
Mini mycologists plan an experiment to determine what affects the growth of mold on gelatin. A list of available materials is provided, but the procedure needs to be designed by the lab group. A data table is also provided in which to...
Curated OER
Lesson One: Lifting Latent Fingerprints
Crime scene investigators practice collecting fingerprints off of surfaces in order to compare them to an imaginary crime suspect's prints. Instructions for using graphite powder and a Zephyr brush to collect the evidence are outlined....
Curated OER
What Are You Eating?
Discover the calorie content of foods by observing how much heat they produce in water. If you have a calculator-based laboratory (CBL™) insturment for collecting data, then this laboratory worksheet will not need any changes. If not,...