In this short demo/activity, a balloon with baking soda in it is …
In this short demo/activity, a balloon with baking soda in it is stretched over the mouth of a flask or bottle containing vinegar. The balloon is tipped so that the baking soda falls into the vinegar, and the reaction creates carbon dioxide, which inflates the balloon. The activity is part of the children's book, The Air We Breathe.
TED Studies, created in collaboration with Wiley, are curated video collections 逖 …
TED Studies, created in collaboration with Wiley, are curated video collections 逖 supplemented by rich educational materials 逖 for students, educators and self-guided learners. In The Deep Ocean, aquatic explorers take the TED stage to share what they've seen in the abyss of Earth's last frontier: the deep ocean, home to massive underwater mountains and valleys, giant smoking chimneys and an amazing array of animals.
This is a lesson about determining planetary composition. Learners will use a …
This is a lesson about determining planetary composition. Learners will use a reflectometer to determine which minerals are present (from a set of knowns) in a sample of Mars soil simulant. Requires the use of ALTA II spectrometers (which may be borrowed from the Lunar and Planetary Institute or purchased online) and Mars soil simulant. The activity is part of Project Spectra, a science and engineering program for middle-high school students, focusing on how light is used to explore the Solar System.
In the first part of this video, we derive the law of …
In the first part of this video, we derive the law of mass action from one example of a picture of molecular collisions. For this course, we use the "law of mass action" to refer to an idea that chemical reaction kinetic rates can be expressed using products of the abundances of reactants raised to exponents. Studying cooperativity and Hill functions in the second part of the video allows us to investigate a simple example of bistability in the third video segment.
A realistic mass and spring laboratory. Hang masses from springs and adjust …
A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring.
Marie Hartford's class of 5th grade scientists learn about the importance of …
Marie Hartford's class of 5th grade scientists learn about the importance of water quality and its benefits to wildlife and the environment. Within the narrow confines of pH necessary for their tank of red-legged frogs, students use a combination of pond and tap water to keep the tank healthy, using their collected data to make the decision on the proportion between the two.
How do microwaves heat up your coffee? Adjust the frequency and amplitude …
How do microwaves heat up your coffee? Adjust the frequency and amplitude of microwaves. Watch water molecules rotating and bouncing around. View the microwave field as a wave, a single line of vectors, or the entire field.
In this activity, students pose several hypotheses for what will happen if …
In this activity, students pose several hypotheses for what will happen if you continue heating or supplying energy to the hot and cold planet models (Mercury, Mars, Venus, and Earth) and then test their hypotheses using a spreadsheet based radiation balance model. The activity supports investigation of a real world challenge, experimenting with life support conditions for Mars at an Arctic outpost. The interactive model runs are conducted using a Java applet. This resource includes student worksheets, assessment questions and a teacher's guide. This is Activity B in module 2, Modeling hot and cold planets, of the resource, Earth Climate Course: What Determines a Planet's Climate? The course aims to help students to develop an understanding of our environment as a system of human and natural processes that result in changes that occur over various space and time scales.
Students will model the atomic structure of common elements found in soils, …
Students will model the atomic structure of common elements found in soils, determine an atom's valence electrons, draw Lewis electron dot diagrams, and discuss the basic principles of element bonding.
How did scientists figure out the structure of atoms without looking at …
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Mole Day occurs on October 23 and/or on June 2, once per …
Mole Day occurs on October 23 and/or on June 2, once per semester! Take the opportunity to make the mole fun by celebrating.
On Mole Day, have a celebration, pledge allegiance to the mole, sings songs, show videos, and present what they did to earn the points, all while snacking on mole foods! Invite your administration, and have the students teach them about the mole and it’s applications in Chemistry.
Students will predict bond polarity using electron negativity values; indicate polarity with …
Students will predict bond polarity using electron negativity values; indicate polarity with a polar arrow or partial charges; rank bonds in order of polarity; and predict molecular polarity using bond polarity and molecular shape.
Students work as engineers to learn about the properties of molecules and …
Students work as engineers to learn about the properties of molecules and how they move in 3D space through the use of LEGO MINDSTORMS(TM) NXT robotics. They design and build molecular models and use different robotic sensors to control the movement of the molecular simulations. Students learn about the size of atoms, Newman projections, and the relationship of energy and strain on atoms. This unique modular modeling activity is especially helpful in providing students with a spatial and tactile understanding of how molecules behave.
Do you ever wonder how a greenhouse gas affects the climate, or …
Do you ever wonder how a greenhouse gas affects the climate, or why the ozone layer is important? Use the sim to explore how light interacts with molecules in our atmosphere.
Build your own system of heavenly bodies and watch the gravitational ballet. …
Build your own system of heavenly bodies and watch the gravitational ballet. With this orbit simulator, you can set initial positions, velocities, and masses of 2, 3, or 4 bodies, and then see them orbit each other.
The purpose of NASA's Earth Observatory is to provide a freely accessible …
The purpose of NASA's Earth Observatory is to provide a freely accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet. The focus is on Earth's climate and environmental change. The site is divided into six main sections: Data and Images, Features, News, Reference, Missions, and Experiments. The Data and Images, Features, and Reference sections are each subdivided into sections for Atmosphere, Oceans, Land, Life on Earth, and Heat and Energy. The missions section explains all of the current NASA missions, and the Experiments section contains activities related to the topics covered in the other sections. Information provided in these pages includes text, photographs, animations, maps, and datasets. The site also includes a glossary, "ask a scientist" feature, and links to current news stories.
The purpose of NASA's Earth Observatory is to provide a freely-accessible publication …
The purpose of NASA's Earth Observatory is to provide a freely-accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet. The specific focus of this Earth Observatory website is natural hazards. Earth scientists around the world use NASA satellite imagery to better understand the causes and effects of natural hazards. The goal in sharing these images is to help people visualize where and when natural hazards occur, and to help mitigate their effects. Natural hazards that are emphasized include dust and smoke, wildfires, floods, severe storms, and volcanoes. In addition, each week the site highlights major natural hazard events occurring around the globe. Links to satellite imagery and informational text concerning the natural hazard and image interpretation are included. The site also offers a link to unique imagery, such as earthquakes, droughts, and landslides, and features the latest unique imagery events around the globe.
A study of the geology of Mars should reveal answers to such …
A study of the geology of Mars should reveal answers to such questions as how Mars developed into the planet we see today and what accounts for the differences and similarities between Earth and Mars. Visitors to this site can learn about ancient magnetism recently discovered by the Mars Global Surveyor that suggests the planet was once more dynamic and Earth-like with a magnetic field shielding the surface from cosmic radiation. They can read about the importance of studying the age and composition of Martian rocks, particularly those rocks and minerals which might have been formed in the presence of water. This is part of NASA's presentation of four science goals for its Mars Exploration Program, a science-driven effort to discover whether Mars was, is, or can be, a habitable world.
First Nations University has developed a new science teaching resource called the …
First Nations University has developed a new science teaching resource called the National Science Laboratory Video Lessons for Indigenous Youth. The resource includes a variety of materials that bring together Indigenous knowledge and modern science, such as interviews with elders and knowledge keepers, laboratory manuals, and videos of lab experiments completed by students at Carlton Comprehensive High School in Prince Albert, Saskatchewan.
FNU professor and project lead Arzu Sardarli explained that Indigenous knowledge on topics such as heat retention in teepees can be explained using the laws of physics and applied toward house construction today. "It's important not only for Indigenous students, it's very helpful for any student and I hope what we created within this project will be used by mainstream schools, too,” said Sardarli.
The educational materials developed include interviews with Elders and Knowledge Keepers, and laboratory manuals and videos for high school Biology, Chemistry and Physics classes.
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