When wolves were reintroduced to Yellowstone National Park in the United States …
When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? Students will watch this video as an example for how populations can change an ecosystem.
In this lesson, students delve further into the workings of the eye, …
In this lesson, students delve further into the workings of the eye, exploring the function of their iris and pupil. In the activity, Pupil Card, students add a smaller pupil to the eye model that they created in the previous lesson. Then they observe how the changing size of the pupil controls how much light enters the eye.
In this lesson, students will make observations about baby animals and their …
In this lesson, students will make observations about baby animals and their parents. They will discuss the similarities in looks because of the shared traits they have because they are offspring. In this activity called Baby Bird Rescue students will match up baby birds to their parents based on similar traits.
Though you may be the most familiar with fossils that look like …
Though you may be the most familiar with fossils that look like the Triceratops above, there are many different types of fossils that result from a variety of different forms of preservation. Fossils are the remains or traces of organisms that lived 10,000 years ago or longer. Organisms that die rarely leave behind bones that fossilize. Instead, when an animal dies in nature, its body is quickly pulled apart by vultures and other scavengers, big and small. Decomposers like bacteria, fungi, and insects, and physical factors such as water, wind, and sunlight, further break down the body, leaving few remains.
Occasionally, parts of a dead organism escape decay. If the right conditions exist, then parts of a dead animal can be fossilized before they decay completely. In this activity, you will learn about different types of fossilization, and then apply your knowledge to play the Fossilize Me! card game.
In this lesson, students explore the brain’s role in receiving information from …
In this lesson, students explore the brain’s role in receiving information from the senses, processing that information, and controlling the muscles to enable movement. In the activity, Think Fast!, students test their reflexes with two very quick experiments and one more involved activity. They learn about how we process information in our brains and then respond to that information in different ways.
This is a short video that explains germs and why some germs …
This is a short video that explains germs and why some germs are harmful and others are not. A great addition to any lesson on infectious diseases or how germs spread.
Learning Objectives: Students will be able to: • Design a survey questionnaire …
Learning Objectives: Students will be able to: • Design a survey questionnaire on the ways people use water • Analyze survey data to determine heavy water use activities versus light water use activities • Assess community members water knowledge
Students set up and run the experiments they designed in the Population …
Students set up and run the experiments they designed in the Population Growth in Yeasts associated lesson, using simple yeast-molasses cultures in test tubes. Population growth is indicated by the amount of respiration occurring in the cultures, which in turn is indicated by the growth of carbon dioxide bubbles trapped within the culture tubes. Using this method, students test for a variety of environmental influences, such as temperature, food supply and pH.
We are making a Lava Lamp using few ingredients which you can …
We are making a Lava Lamp using few ingredients which you can find in your kitchen. It takes only 2 minutes to setup.If you like to make a Non Stop Lava Lamp...
"How to Teach Nature Journaling" by John Muir Laws and Emilie Lygren …
"How to Teach Nature Journaling" by John Muir Laws and Emilie Lygren (2020) is a free PDF curriculum guide to support educators as they model and teach science thinking by keeping a nature journal. The benefits of nature journaling are that it helps students to: • slow down and pay attention • wonder and ask questions • supporting creativity and critical thinking skills • by seeing themselves as scientists, engaging in authentic science inquiry • nurturing a connection with nature • building equity” (p. 7 of How to Teach Nature Journaling by Law and Muir, 2020)
What Is Howtosmile? Howtosmile is a curated collection of over 4,000 STEM …
What Is Howtosmile? Howtosmile is a curated collection of over 4,000 STEM activities available on the web. These activities are handpicked from science museums, public television stations, universities, and other educational organizations. The best partAll these resources are accessible to anyone, free of charge1. DIY Solar System App: Explore Our Solar System The DIY Solar System app, developed by the creators and contributors of Howtosmile, allows families and educators to explore our solar system from anywhere, anytime. Available on both the App Store and Google Play, this app provides hands-on activities, interactives, and augmented reality experiences. You can learn about our solar system in English and Spanish through this engaging app1. Curated Topic Pages Starting a new topic for a class or any group of students can be daunting. Howtosmile’s topic pages come to the rescue! These pages provide curated activities based on educational frameworks, including national standards, big idea lists, popular media content, and concept maps. Whether you’re teaching energy, climate, life sciences, ocean literacy, astronomy, cooking, health, or the human body, you’ll find relevant resources here.
This lesson guides students to learn the science behind cloning, explore the …
This lesson guides students to learn the science behind cloning, explore the benefits and consequences of human cloning, and communicate their knowledge and points of view. Students begin by reading an article titled Primer on Ethics and Cloning by Dr. Glenn McGee, available for free on the AIBS's ActionBioscience.org website. The lesson provides questions for the instructor to guide a class discussion about the article. Instructors can then choose from different activities to engage students further in this issue. One activity has students role play advisory teams providing information to a committee on the ethical issues of human cloning. The teams conduct research online, keep a journal recording their research paths, and answer questions in presentation format. Another activity has students researching and presenting information on human cloning. Through their research students can learn about cloning technology and related laws, as well as the perspectives of groups or individual scientist's viewpoints. Included are web site evaluation worksheets that are useful for student internet searches on any topic.
Students investigate hominid evolution. They learn the difference between a relative and …
Students investigate hominid evolution. They learn the difference between a relative and an ancestor, study the emergence of bipedalism, and chart patterns of hominid migration.
This course is designed to provide both undergraduate and graduate students with …
This course is designed to provide both undergraduate and graduate students with a fundamental understanding of human factors that must be taken into account in the design and engineering of complex aviation and space systems. The primary focus is the derivation of human engineering design criteria from sensory, motor, and cognitive sources to include principles of displays, controls and ergonomics, manual control, the nature of human error, basic experimental design, and human-computer interaction in supervisory control settings. Undergraduate students will demonstrate proficiency through aviation accident case presentations, quizzes, homework assignments, and hands-on projects. Graduate students will complete all the undergraduate assignments; however, they are expected to complete a research-oriented project with a final written report and an oral presentation.
The Human Microbiome offers an opportunity to learn about microbiology and ecology. …
The Human Microbiome offers an opportunity to learn about microbiology and ecology. Here is a collection of companion activities to help explore the subject further. Includes culturing microbes activity.
Lectures and clinical case discussions designed to provide the student with a …
Lectures and clinical case discussions designed to provide the student with a clear understanding of the physiology, endocrinology, and pathology of human reproduction. Emphasis is on the role of technology in reproductive science. Suggestions for future research contributions in the field are probed. Students become involved in the wider aspects of reproduction, such as prenatal diagnosis, in vitro fertilization, abortion, menopause, contraception and ethics relation to reproductive science. This course is designed to give the student a clear understanding of the pathophysiology of the menstrual cycle, fertilization, implantation, ovum growth development, differentiation and associated abnormalities. Disorders of fetal development including the principles of teratology and the mechanism of normal and abnormal parturition will be covered as well as the pathophysiology of the breast and disorders of lactation. Fetal asphyxia and its consequences will be reviewed with emphasis on the technology currently available for its detection. In addition the conclusion of the reproductive cycle, menopause, and the use of hormonal replacement will be covered.
Students are provided with a rigorous background in human "sensors" (including information …
Students are provided with a rigorous background in human "sensors" (including information on the main five senses, sensor anatomies, and nervous system process) and their engineering equivalents, setting the stage for three associated activities involving sound sensors on LEGO® robots. As they learn how robots receive input from sensors, transmit signals and make decisions about how to move, students reinforce their understanding of the human body's sensory process.
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