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399665 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...

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...

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.

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 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...

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.

Mass, Volume, and Density Part 1

Mass, Volume, and Density Part 1.

Density Mass Volume mathscast

This video shows you how to use the Density Mass Volume formula triangle and find volume of shapes. It goes through a couple of examples of finding mass and ...

Density Calculations - Chemistry Tutorial

This tutorial covers density and how to calculate density, mass or volume given the other two values. https://www.thechemistrysolution.com.

399665 videos foundNext > 

7 news items

Sun, 31 Aug 2014 09:48:43 -0700

We consider a region containing gas of number density n0 = 1 cm−3 (mass density ρ0 = 2.1 × 10−24 g cm−3) with initial temperature T = 5,000 K. The gas has a random turbulent velocity vrms, for which we consider two values: 0.17 and 1.7 km s−1; we refer ...
Biobased Digest
Wed, 27 Aug 2014 22:03:45 -0700

The volume ratio of ethanol input to hydrocarbon output depends on the mass density of the product vs. ethanol but should be about 1.6 volumes of ethanol/volume of hydrocarbon fuel on average for diesel, gasoline, and jet. “Although some may be ...

Oncology Nurse Advisor

Tue, 12 Aug 2014 08:57:43 -0700

"Women who get bisphosphonates have a low bone mass density," she said. "If you have low bone mass density, you probably have low estrogen." This is because the hormone, which is depleted after menopause, helps regulate bone mass and strength.
Wed, 06 Aug 2014 18:40:48 -0700

At Manila Doctors Hospital, the advanced DXA (Dual X-ray Absorptiometry) machine detects the skeletal bone mass density in less than a minute to determine if Osteopenia (low bone mass density) or Osteoporosis (very low bone mass density and ...
New Scientist
Wed, 13 Aug 2014 10:03:45 -0700

Incoming data on the comet's mass, density and surface will help ESA narrow the choice to as many as five possible zones, each 600 metres across. The smallest details will be considered: if one of the lander's feet settles on a stone just 30 ...
Sat, 09 Aug 2014 01:39:31 -0700

Comets have spun in and out of human history as celestial omens of death and catastrophe for millennia. It was only in the sixteenth century that comets began to be investigated as astronomical bodies. The physical nature of comets as cosmic snowballs ...
Thu, 21 Aug 2014 10:40:19 -0700

Guys who never said "I do," were separated, divorced, or widowed had significantly lower bone mass density. The researchers only found a correlation between these two factors — so we don't know what caused this. Until we do, you may want to include ...

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