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  • Microbes

    Microbes Teacher Guide

    Students explore microbes that impact our health (e.g., bacteria, fungi, protists and viruses), and learn that microbes play key roles in the lives of humans, sometimes causing disease. (12 activities)

    Grades: 6-8
  • Simple and Compound Machines

    Simple and Compound Machines Teacher Guide

    Student teams use the 2017 Hess Dump Truck and Loader to explore science, technology, engineering and mathematics concepts. Hands-on activities engage students in powerful STEM learning experiences that are captivating and exciting! (8 activities)

    Grades: 3-5 6-8 9-12
  • Homeostasis

    Homeostasis Presentation

    Homeostasis is the state of constancy within an internal environment. Wade Haaland, PhD, explains the basics of homeostasis in the human body, with particular emphasis on the relationship between homeostasis and diabetes.

  • A Storm Named "Yolanda"

    A Storm Named Reading

    Fictional account based on events that took place before, during, and after typhoon Haiyan ("Yolanda") made landfall in Tacloban City, The Philippines.

    Grades: 6-8 9-12
  • Mass

    Mass Presentation

    Learn the difference between mass and weight.

  • Butterflies in Space

    Butterflies in Space Mission Page

    Follow life cycle of painted lady butterflies on ISS. Grow your own butterflies in class, and compare them to the space butterflies.

    Grades: 3-5 6-8 9-12
  • The Global Carbon Cycle

    The Global Carbon Cycle Presentation

    Join Nancy Moreno, PhD, as she discusses Earth’s atmosphere, climate change, factors that influence the atmosphere, and other topics related to our planet’s carbon cycle. 

  • Legacy of Lost Canyon

    Legacy of Lost Canyon Reading

    Adolescent friends investigate ancient cave ruins, and learn how and why drugs were used to create cave art.

    Grades: 6-8 9-12
  • Measuring and Counting with a Light Microscope

    Measuring and Counting with a Light Microscope Slide Set

    Learn how to calibrate a light microscope for measurement, how to estimate field diameter, and how to count the number of objects in a single field.

  • The Cinnamon Challenge

    The Cinnamon Challenge Hot Topic

    The “Cinnamon Challenge” is a social phenomenon, spread largely through social media, which carries serious risks. Remarkably, people who participate in this “challenge” willingly accept entirely avoidable risk, even though there is no apparent benefit. The rise of the “Cinnamon Challenge” demonstrates how social media can quickly spread a cultural trend among teenagers, comedians, NBA players, and even politicians.

  • Bird Flu, Updated

    Bird Flu, Updated Hot Topic

    Bird flu is once again in the news. Cases of human infection with the H7N9 subtype of influenza A have been reported in China. This subtype of the virus already spreads more easily from birds to humans than H5N1 did, and there is concern that it might adapt to be sustainably transmitted from human to human. This, of course, is the recipe for a pandemic.

  • Japanese Earthquake and Tsunamis: Before and After

    Japanese Earthquake and Tsunamis: Before and After Hot Topic

    On March 11, 2011, a 9.0 magnitude earthquake struck northeastern Japan. The earthquake, aftershocks and related tsunamis devastated miles of the Japanese coastline.