Science Buddies
Underwater Color Bursts
Summertime often brings beautiful fireworks displays. Whereas you normally look up into the sky to see fireworks, in this activity we will take the bursts of color underwater—with chemistry. Although it is not exactly the same as real...
Catalyst University
Physiology of the Osteoclast
In this video, we discuss the following: [1] functions of osteoclasts and how they promote bone resorption [2] production of osteoclasts from macrophages [3] appearance of osteoclasts by Scanning EM
Curated Video
The Size-Weight Illusion
This video explores the size-weight illusion, also known as the Charpentier illusion, which occurs when people underestimate the weight of larger objects compared to smaller objects of the same mass. The illusion is influenced by factors...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Density, Mass, Volume - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Mass, Density, Volume - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Comparing Materials: Evaluating Properties for Different Applications
The video discusses how to evaluate and compare different materials, including their properties, costs, lifetime costs, environmental impact, and aesthetics. It gives examples of selecting suitable materials for building a house and...
Science Buddies
How Much Weight Can Boats Float?
Have you ever wondered how a ship made of steel can float? And better yet, how can a steel ship can carry a heavy load without sinking? To find out, you can make fun aluminum foil boats and explore how much weight they can carry before...
Curated Video
Measuring Populations: Investigating the Distribution of Daisies with Distance from Trees
This video is a lecture presentation on measuring populations. The presenter explains how to investigate the distribution of daisies in a field and how it varies with distance from a line of trees. The hypothesis is formulated based on...
Visual Learning Systems
Sound: Elasticity, Density, and the Speed of Sound
When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...
Visual Learning Systems
Oceanography: Deep Currents
The physical and chemical characteristics of ocean waters are discussed including salinity, temperature, density, and pressure. Footage from Maine, the Canadian Maritimes, and the Pacific coast highlight dynamic characteristics of the...
NASA
NASA | Alien Atmospheres
Since the early 1990's, astronomers have known that extrasolar planets, or "exoplanets," orbit stars light-years beyond our own solar system. Although most exoplanets are too distant to be directly imaged, detailed studies have been made...
Visual Learning Systems
Topography and the Earth: Inside the Earth
This program describes the major topographical features of Earth including mountains, plains, and plateaus. Footage from throughout North America takes students to the Rocky Mountains, the plains of Iowa, and the Colorado Plateau to...
Weatherthings
Weather Things: Rainbows
A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...
Science Buddies
Build a Water Strider
Have you ever seen a water strider (also called water bugs, pond skaters, water skippers etc.)? They are bugs that effortlessly hop around on the surface of ponds, lakes, and rivers. How do they do it without sinking? Try this project to...
NASA
NASA's NICER Tests Matter's Limits
Matter in the hearts of neutron stars – dense remnants of exploded massive stars – takes the most extreme form we can measure. Now, thanks to data from NASA’s Neutron star Interior Composition Explorer (NICER), an X-ray telescope on the...
Curated Video
Comprehensive Android Developer Bootcamp - Understanding Density in Android - DPI
Android Material Design and Themes:Understanding Density in Android - DPI This clip is from the chapter "Android Material Design and Themes" of the series "The Comprehensive Android Developer Bootcamp".This section shows how to work with...
Flipping Physics
System of Particles Translational Motion
For a system of particles in translational motion, we determine the position, velocity, acceleration, linear momentum, and net force. Content Times: 0:00 x, y, and z position 1:32 r position 5:50 velocity 6:44 linear momentum 7:26...
Catalyst University
Crystal Lattice Structures: Density Calculation 5
Crystal Lattice Structures: Density Calculation 5
Curated Video
leyes de la ciencia
This live-action video program is about the word laws. The program is designed to reinforce and support a student's comprehension and retention of the word laws through use of video footage, photographs, diagrams and colorful, animated...
Weatherthings
Mirage
A mirage is when light does not travel in a straight line and it makes distant things seem to be higher, lower, wider, thinner or just distorted. Light changes path because of differences in air density, which is controlled by...
Catalyst University
Thermodynamic Parameters of Mixing | Example Calculations #1
In this video, I show you example calculations for ΔG, ΔS, ΔH, ΔV, all of mixing.
Weatherthings
Water Smart: Water on Earth - Rivers
Water on Earth focuses on water as most kids would think about it. We start with water in obvious locations such as oceans, lakes, and rivers. We quickly learn that water can change phase to remain a solid in glaciers. Many kids may be...
Catalyst University
Crystal Lattice Structures: Density Calculation 3
Crystal Lattice Structures: Density Calculation 3
Visual Learning Systems
Metric Conversions: Converting Between Metric Units
This program provides a conceptual foundation to help students understand how to convert between English and metric units of mass, volume, length, and temperature. The program also discusses how it is possible to convert between units of...