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Students explore the concept of volume and ways to measure it. Concepts and terminology include liquid, solid, liter, milliliter, cubic centimeter, beaker, and graduated cylinder.
(Source: DCMP)
What causes earth's weather? Explains that the sun is the primary source of our changing weather phenomena as it warms the atmosphere and water. Covers weather forecasting, high and low pressure fronts, cloud formations, and the water cycle. Presents weather conditions for thunderstorms, tornadoes, and hurricanes.
When is it necessary to induce or augment a labor? Answers questions expectant parents may have about these procedures. Explores the advantages, risks, common medical methods, and natural alternatives available for both induction and augmentation. An obstetrician lists questions expectant parents should ask their caregivers. NOTE: Concludes with footage of a vaginal birth.
Explains how epidural anesthesia works and shows step-by-step how it is administered. Covers the possible side effects, benefits, and risks, including ways to reduce the chances of complications. Shows two couples as they make decisions about pain relief during labor and birth. NOTE: Shows an actual epidural procedure and vaginal birth.
Follows a family's unplanned Cesarean birth from early labor through recovery. An obstetrician explains the Cesarean procedure and discusses ways to minimize risk. Shows the surgical procedure using 3-D animation. Presents information on breast-feeding and recovery, and how to make a Cesarean birth a fulfilling experience. NOTE: Concludes with graphic footage of an actual Cesarean surgery.
Introduces how sound is made; how it travels; the terms "pitch," "volume," and "compression waves"; how ears detect sound; and the way vocal cords work. Views the parts of an ear and how they function to allow us to hear sounds. Uses easily replicated experiments to demonstrate sound's principles.
Matter is everywhere. Students learn how to describe, observe, and measure matter. Additional concepts and terminology include mass, weight, volume, density, hardness, texture, shape, flammability, size, and physical and chemical properties of matter.
Students explore the relationship between observations and measuring things in science. Specific ways of measuring length, mass, volume, and temperature are demonstrated using tools common to the classroom. Other terminology includes unit of measurement, meter stick, metric ruler, balance, graduated cylinder, and thermometer.
What is concentration? Explore the relationships between moles, liters, and molarity by adjusting the solute amount, solution volume, and changing solutes to compare different chemical compounds in water.
(Source: PhET Interactive Simulations)
Water commonly exists in three different forms: ice, liquid, and vapor. The different phases of water serve as the foundation to teach students about solids, liquids, and gases. Other common everyday examples of solids, liquids, and gases are also featured. Concepts and terminology discussed include: particles, volume, shape, and temperature.
Students will explore the physical and chemical properties of matter. Special attention is paid to the method by which matter is measured. Length, mass, weight and volume of common everyday matter is discussed. Other topics covered include the metric system, meter, kilogram, gram, liter, water displacement, and density.
When one hears the roar of traffic, the bark of a dog, or a teacher’s voice, they are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and frequency. Concepts and terminology illustrated in this video include vibrations, frequency, pitch, amplitude, volume, how sound travels, uses of sound energy, and speed of sound.
Host Alex Dainis discusses mitrochondrial DNA, which is the smallest circular chromosome found inside mitochondria. These organelles found in cells have often been called the powerhouse of the cell. The mitochondria, and thus mitochondrial DNA, are passed almost exclusively from mother to offspring through the egg cell.
Chemistry is the science of interacting particles and the various states of matter. Developing a better understanding of the atomic model through experiments with gases, scientists discovered the Ideal Gas Law, developed phase diagrams, and learned about the properties of supercritical fluids. Today's chemists are exploring new ways to control the interactions of atoms, with the goal of making better hydrogen-powered cars and new technologies for the long-term, underground storage of carbon dioxide to reduce greenhouse warming. Part of the series Chemistry: Challenges And Solutions.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, the storm has passed and Moko's raft is approaching a new shore. He has never seen this white sand beach and wonders where he might be. Moko wanders off to find inhabitants of this new place. Along his route he passes plants with enormous leaves and at the other end of his path, the beach once again! How is this possible? What is the secret of this strange islandy? Night falls and Moko falls asleep convinced that he is the first traveler to discover the ocean's secret island.
Using mud, clay, and tons of stone, ancient civilizations built buildings and monuments that are still standing today. The Egyptians built the Great Pyramid with an accurate measuring system, the ability to calculate areas and volumes of triangles, and a tremendous workforce that transported 1,000 tons of stone each day for 15 years. Other civilizations, such as the Romans, created marvels of engineering like the dome of the Pantheon, and built clean cities that included conveniences such as water management and sewers.
As shown on the History Channel. In the remote wastes of Siberia buried under snow are the remains of one of the greatest catastrophes that the Earth has endured. 250 million years ago, huge volumes of lava spewed out onto the surface--so much that it would have buried the whole of Texas under one mile of lava. At first the temperature dipped but then the greenhouse gases that escaped from the depressurized lava caused a massive global warming. It wreaked havoc, and 95% of the species on Earth became extinct. Yet life hung on and in time this disaster paved the way for the next phase of life on earth--the age of the dinosaurs.
Showing collections 1 to 2 of 2
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
