Instructional Video5:42
Bozeman Science

AP Biology Lab 12: Dissolved Oxygen

12th - Higher Ed
Mr. Andersen demonstrates the azide-winkler method of dissolved oxygen analysis.
Instructional Video1:48
EarthEcho International

How to Measure Dissolved Oxygen

9th - 12th
ENGAGE: Join Ashlan Gorse Cousteau and students from Earth Force in Alexandria, VA as they measure dissolved oxygen at Four Mile Run Creek. Learn how to use PASCO instruments to record quantitative results for DO as a measure of water...
Instructional Video1:27
National Parks Service

Acadia National Park - Floating Classroom: Dissolved Oxygen

Pre-K - Higher Ed
These videos compliment the variety of water quality programs that occur in Acadia National Park. For teachers looking for good background information on water quality or those looking to attend the Floating Classroom field trip, this...
Instructional Video1:02
Encyclopaedia Britannica

BRITANNICA WIRE: Oceanic dissolved oxygen levels declining worldwide | Encyclopaedia Britannica

Pre-K - Higher Ed
Ocean Dissolved Oxygen (O2) levels—which measure of how much oxygen is dissolved in ocean water—have been dropping at an alarming rate in every ocean around the globe. #BritannicaWire ~~~ Encyclopaedia Britannica Inspiring curiosity and...
Instructional Video2:28
SciShow

Is There Less Oxygen in the Winter Since Its Colder

12th - Higher Ed
Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter?
Instructional Video2:25
SciShow

Is There Less Oxygen in the Winter Since It's Colder?

12th - Higher Ed
Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter?
Instructional Video3:38
Curated Video

Water Treatment: Making Water Safe for Human Consumption

Higher Ed
This video presents a lecture on water treatment, specifically on the processes involved in making water extracted from lakes and rivers fit for human consumption. The speaker discusses the different compounds and elements that might be...
Instructional Video4:00
msvgo

Oxygen and Carbon Dioxide

K - 12th
It explains that air is present in water and soil. It also talks about the interdependence of plants and animals for oxygen and carbon dioxide.
Instructional Video4:38
SciShow

The Sensor That Dissolves in Your Brain

12th - Higher Ed
In this week's SciShow News, we discuss two new types of sensors being developed. One tracks the content of certain molecules in your sweat while you exercise and the other is a brain implant that can be resorbed once it has finished its...
Instructional Video9:32
PBS

That Time The Ocean Lost (Almost) All Its Oxygen

12th - Higher Ed
New ReviewThis is the story of how our planet rescued itself from extreme conditions in the Cretaceous Period, at the cost of essentially suffocating the oceans for half-a-million years.
Instructional Video7:28
Crash Course

Solutions: Crash Course Chemistry

12th - Higher Ed
This week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar...
Instructional Video2:58
MinuteEarth

How to Make a Seashell - Just Add Water

12th - Higher Ed
Why do shell building living creatures live near the surface of the ocean? Learn how chemistry creates a dissolving depth for calcium and determines where shell builders can live.
Instructional Video5:12
Curated Video

Transport of Substances in and out of Cells: Diffusion, Osmosis, and Active Transport

Higher Ed
In this video, the concept of transport of substances into and out of cells is explained. The different ways in which this process occurs are discussed, including diffusion, osmosis, and active transport. The importance of surface area...
Instructional Video4:56
SciShow

Could Complex Life Survive on Mars - SciShow News

12th - Higher Ed
The water on Mars probably doesn't have much oxygen, but new models show that life doesn't need as much O2 as we thought. And NASA is sending a claw machine to the red planet!
Instructional Video2:54
Curated Video

Why Do Bubbles Form In A Glass Of Water?

Pre-K - Higher Ed
Water especially the one which flows through the pipe contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. As the glass filled with water sits out for a few hours, its temperature rises slightly (water gets warmer),...
Instructional Video2:54
Science ABC

Why Do Bubbles Form In A Glass Of Water?

Pre-K - Higher Ed
Water especially the one which flows through the pipe contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. As the glass filled with water sits out for a few hours, its temperature rises slightly (water gets warmer),...
Instructional Video2:55
FuseSchool

How To Extract Aluminium By Electrolysis

6th - Higher Ed
Aluminium is the most abundant metal on Earth. However, it is expensive because a lot of electricity is used to extract it. Bauxite is the aluminium ore. It is purified to yield aluminium oxide, which is a white powder. Aluminium is then...
Instructional Video7:13
Professor Dave Explains

Temperature and Gas Solubility

12th - Higher Ed
We know about solutions and solubility, but we have typically examined solid or liquid solutes dissolved in a liquid solvent. Did you know that gases can also be dissolved in liquids? Their solubilities depend heavily on temperature, so...
Instructional Video7:05
Curated Video

Capillary Action

6th - 12th
Water is added to dry and bent matchsticks to let us see capillary action at work. The wood absorbs the water causing the matchsticks to straighten. Biology - Plants - Learning Points. Water is a polar molecule because the electrons are...
Instructional Video3:05
Curated Video

Why Is Carbon Dioxide Mixed In Cold Drinks And Beverages?

Pre-K - Higher Ed
One of the most important factors when it comes to mixing any gas with a liquid is solubility, and carbon dioxide is highly soluble in water. In fact, it's the most soluble of the common, non-toxic gases with high solubility. To give you...
Instructional Video3:05
Science ABC

Why Is Carbon Dioxide Mixed In Cold Drinks And Beverages?

Pre-K - Higher Ed
One of the most important factors when it comes to mixing any gas with a liquid is solubility, and carbon dioxide is highly soluble in water. In fact, it's the most soluble of the common, non-toxic gases with high solubility. To give you...
Instructional Video5:10
Curated Video

Electrolysis of Ionic Compounds: Molten and Aqueous Solutions

Higher Ed
In this video, the process of electrolysis is discussed, which involves the splitting of an ionic compound into its constituent elements by passing an electric current through it. The video explains how electrolysis works for molten lead...
Instructional Video1:59
National Geographic

Deeper Look Inside Sunken Battleship Preserved Since Pearl Harbor Attack | National Geographic

Pre-K - 11th
New underwater footage and interior sampling reveal remarkable preservation inside the wreckage of the U.S.S. Arizona. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium...
Instructional Video1:59
National Geographic

Deeper Look Inside Sunken Battleship Preserved Since Pearl Harbor Attack | National Geographic

Pre-K - 11th
New underwater footage and interior sampling reveal remarkable preservation inside the wreckage of the U.S.S. Arizona. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium...

Other popular searches