Curated OER
Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
Virginia Department of Education
Equilibrium and Le Chatelier’s Principle
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this lesson: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium with cobalt...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Curated OER
Lead and Mercury Ion Catalase Inhibition
Students participate in a laboratory investigation in which they observe the effect of temperature and pH on enzyme activity. Students also examine exposure to heavy metal ions and the effect that may have on enzyme activity.
LABScI
Enzymes: The Spit Lab
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
Curated OER
Salt Bridges
In this chemistry worksheet, students examine the salt bridge in order to apply in the laboratory setting. The sheet includes in depth background information.
Virginia Department of Education
Soap, Slime, and Creative Chromatography
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
Howard Hughes Medical Institute
Ocean Acidification
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
Curated OER
Chemistry of Fire
In this science worksheet, students are involved in questions about the events that cause and sustain fires. The chemistry of fire is the primary focus.
Curated OER
Chapter 16, Food Biotechnology
Although the points given on these slides are valid, the visual accessibility is poor. Consequently, many viewers would be distracted or entirely unable to view the presentation. The content is a review of microorganisms and their...
Curated OER
Catalase and Catalysis
Students explore enzyme catalysis through a series of experiments. In this chemistry instructional activity, students determine the factors affecting catalysis. They explain the different uses of this process.
Curated OER
Chemistry & The Community
Young scholars complete a Webquest which investigates the chemistry in items such as shampoo. They research the Internet, perform a lab experiment, and write a scientific lab report with their findings. Upon completion of the activities,...
Curated OER
Radiochemistry
For this radiochemistry worksheet, students read about how scientists learn more about elements using radioactive isotopes. Students answer three critical thinking questions about the reading and radiochemistry.
Curated OER
Photosynthesis
Students conduct a variety of experiments on photosynthesis. In this biology lesson, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced when plants...
Curated OER
It's Just Right
Students conduct an experiment to determine the temperature tolerance of yeasts. In this biology lesson, students collect data and compare them by plotting graphs. They explain how extreme temperatures affect organisms.
Curated OER
Mulch
Students conduct a series of experiments on mulching. In this earth science lesson, students discuss the benefits of mulching on soil. They explore how different types of mulch affect plant growth.
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Curated OER
Enzymes
Young scholars explore enzymes and what can inhibit and act as a catalyst for them. In this enzymes lesson plan students complete experiments on enzyme properties.
Curated OER
Worksheet 3
In this math worksheet, learners calculate the indefinite integrals. They also find the differential functions. Finally social diffusion is used to describe how information is passed through a sample population.
Curated OER
Enzymatic Browning Experiment
Students, in groups, experiment with Heat Blanching, Vitamin C Dip, and Sulfur Dioxide Dip to see if they can prevent enzymatic browning.
Curated OER
Food Energy and Nutrients
In this food energy and nutrients activity, students fill in the blank and complete a chart with information about food energy and essential nutrients needed for the body. Using the Nelson text, students complete a chart about different...
Curated OER
What's Cooking
Students complete a solar radiation activity. In this solar radiation instructional activity, students complete an experiment to learn about solar radiation. Students make solar tea by using the energy of the Sun to brew tea.
Curated OER
Water and Diffusion
In this water and diffusion worksheet, learners will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...