Science Buddies
Science Buddies: Explore Enzyme Activity
In this science activity, you will investigate the enzyme called catalase to find out how it helps to protect your body from cell damage.
TeachEngineering
Teach Engineering: Viral Hijackers
Students learn how viruses invade host cells and hijack the hosts' cell-reproduction mechanisms in order to make new viruses, which can in turn attack additional host cells. Students also learn how the immune system responds to a viral...
TeachEngineering
Teach Engineering: What Do Bread and Beer Have in Common?
Students are presented with information that will allow them to recognize that yeasts are unicellular organisms that are useful to humans. In fact, their usefulness is derived from the contrast between the way yeast cells and human cells...
TeachEngineering
Teach Engineering: What's Dominant?
In a class discussion format, the teacher presents background information about basic human genetics. The number of chromosomes in both body cells and egg and sperm cells is covered, as well as the concept of dominant and recessive...
TeachEngineering
Teach Engineering: From Sunlight to Electric Current
The lesson will first explore the concept of current in electrical circuits. Current will be defined as the flow of electrons. Photovoltaic (PV) cell properties will then be introduced. This will lead to the principle of "Conservation of...
TeachEngineering
Teach Engineering: Photosynthesis Life's Primary Energy Source
This lesson covers the process of photosynthesis and the related plant cell functions of transpiration and cellular respiration. Students will learn how engineers can use the natural process of photosynthesis as an exemplary model of a...
TeachEngineering
Teach Engineering: Complex Networks and Graphs
Students learn about complex networks and how to represent them using graphs. They also learn that graph theory is a useful mathematical tool for studying complex networks in diverse applications of science and engineering, such as...
TeachEngineering
Teach Engineering: Cellular Respiration and Bioremediation
Students learn about the basics of cellular respiration. They also learn about the application of cellular respiration to engineering and bioremediation. And, they are introduced to the process of bioremediation and examples of how...
TeachEngineering
Teach Engineering: Android Acceleration
Learners prepare for the associated activity in which they investigate acceleration by collecting acceleration vs. time data using the accelerometer of a sliding Android device. Based on the experimental set-up for the activity, students...
TeachEngineering
Teach Engineering: The Keepers of the Gate Challenge
Students are presented with a real-life problem as a challenge to investigate, research and solve. Specifically, they are asked to investigate why salt water helps a sore throat, and how engineers apply this understanding to solve other...
TeachEngineering
Teach Engineering: Highlighting the Neuron
In this activity on the brain's neural networks, students investigate the structure and function of the neuron. They discover ways in which engineers apply this knowledge to the development of devices that can activate neurons. Includes...
TeachEngineering
Teach Engineering: Digestive System
The digestive system is amazing: it takes the foods we eat and breaks them into smaller components that our body can use for energy, cell repair and growth. This lesson introduces students to the main parts of the digestive system and...
TeachEngineering
Teach Engineering: Fighting Back!
This instructional activity describes the major components and functions of the immune system and the role of engineers in keeping the body healthy (e.g., vaccinations and antibiotics, among other things). This instructional activity...
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