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294154 videos foundNext > 

Mass vs. Density

Does one candle float because it's bigger? This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of ove...


Just like all matter water has physical properties that can be measured and calculated. To find the mass of water you will need a beaker and a scale. First f...

Density Practice Problems

To see all my Chemistry videos, check out http://socratic.org/chemistry We'll practice solving density example problems. We'll look at how to use the density...

The Density Song -- June 28, 2012 Mr. Edmonds

This is a remake of the Density song, including more visuals and some harmony. This is the song my students have continued to like a lot because of its tune ...

Density, volume and mass

Quick notes and demo on density, mass and volume. I also demonstrate how to find the density of two different kinds of objects.

How to calculate mass - density question

How to calculate mass knowing density and area. This is a level C GCSE question: "An 8cm solid hexagonal prism has a cross-section area of 15cm squared. The ...

Density, Mass, and Volume.

http://www.itsyourgrade.com presents how to determine an objects density when given it's mass and volume; also including unit conversions.

Physics I G1_ Mass Density (ρ) and Weight Density (ρw)-Bob

Physics I G1_ Mass Density (ρ) and Weight Density (ρw)-Bob.

Determining Mass from Density and Volume

webpage-http://www.kentchemistry.com/links/Measurements/Density.htm This video shows you how to calculate Mass using the Density and Volume. I also go over t...

Evaluate: Mass, Volume, and Density

Here's a video from the Evaluate section in the "Mass, Volume, and Density" 5E Lesson. This section aims at reviewing and evaluating newly acquired knowledge...

294154 videos foundNext > 

18 news items

Astronomy Magazine
Thu, 17 Apr 2014 12:18:45 -0700

The size of Kepler-186f is known to be less than ten percent larger than Earth, but its mass, density and composition are not known. Previous research suggests that a planet the size of Kepler-186f is likely to be rocky. Prior to this discovery, the ...
PR Urgent (press release)
Thu, 17 Apr 2014 14:33:45 -0700

Mass.Density.Time Model. It's really a simple experiment done using molding clay to bring about the actual shape of the desired genitals. If Gianni is correct then we have a situation where a hidden dimension of nature, is exposed. Gianni say's "It's ...


Fri, 11 Apr 2014 11:48:20 -0700

It's interesting because it complicates things as mass is not proportional to volume, it is a function of density (school-level science tells us that Mass = Density × Volume). The density of liquids is not constant; it varies with atmospheric ...

India.Com Health

India.Com Health
Thu, 10 Apr 2014 01:30:20 -0700

There is decrease in bone mass density (BMD) which increases the risk of fracture. The first-level of BMD loss is known as osteopenia which, if undetected and untreated, proceeds to osteoporosis. Although the term osteoporosis is synonymous with women ...


Thu, 03 Apr 2014 08:00:03 -0700

The actual average mass density of the universe, 10-28g per cc, differs by 120 orders of magnitude from theory. Physicists, who have fretted over the cosmological constant paradox for years, have noted that calculations such as the above involve only ...
Next Big Future
Tue, 01 Apr 2014 23:22:30 -0700

Since then, HyperV has demonstrated steady advances and set records for the combination of jet mass, density, and velocity. Their initial work focused on the larger coaxial guns with shaped electrodes suggested by Thio's research. In the past few years ...

Renal and Urology News

Renal and Urology News
Sun, 06 Apr 2014 19:54:56 -0700

They obtained sociodemographic information and medical history, took blood samples, and performed dual-energy X-ray absorptiometry scans to measure bone mass density. Fifty patients (48%) had localized disease and were to be treated with external ...
Science 2.0 (blog)
Wed, 26 Mar 2014 09:52:30 -0700

where nu is the rest mass density which is invariant under a Lorentz transformation. Why the change in the transformation properties of the source? The operator is the negative of a D'Alembertian which transforms like a scalar operator. Since the ...

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