Why Does Helium Change Your Voice?
Why does sucking on helium make your voice sound funny? See if this question can stump Dr. Charlotte Grayson. Helium is a colorless and odorless gas, and lighter than air. It changes your voice by altering the environment where sounds are formed. Run time 01:27.
How Does the Earth Change? Part 2
This brief video is only one minute and fifteen seconds, but in this short time, the narrator discusses volcanoes and earthquakes.
What Minerals Make Up the Earth's Surface?
What Minerals Make Up the Earth's Surface? Earth's surface is primarily composed of seven major elements that are found in abundance, including oxygen, silicon, aluminum, iron, magnesium, calcium and potassium. (01:57)
Pendemonium - Apostrophes and Double Negatives part 4
Students learn about apostrophes and double negatives, as well as the Moon, Mars, and Milky Way when they follow the fast-paced adventures of a "pentastic" foursome into space. Seemingly ordinary writing implements named Florentina, Arturo, Buzz, and Penny come to life and try to stop a smelly Dark Marker from taking over the universe by solving clues based on good grammar.
Electrons - Sixty Symbols
Most people know what an electron is - or do they? Interesting video on electrons, what they are, how they behave, and what happens to them. Video is of good quality and would be good for high school students. Run time 06:46.
Understanding Electrons
This is an excellent presentation in which the lecturer discussesÂ
the electrons (08:26) in easy-to-understand terms. This is a clip from a larger segment and is done in a lecture-style format. There are times when the instructor is in a small window in the corner while he points out specifics.
California Cavern
From Dragonfly TV. Marie and Michelle explore the California Cavern (10 miles of underground tunnels and chambers) to answer this DFTV question: How do cave formations change as you travel to the deepest parts of the cavern?
Cave formations called speleothems are mineral deposits that build up on the ceiling, floors and walls. The two most common are the ones that grow from the ceiling down, called stalactites, and others that grow from the floor up, called stalagmites. The gi
Caves - Extreme Conditions for Life
For certain life forms on Earth, conditions that humans and other familiar organisms find hospitable can actually be deadly. Instead of a moderate climate with an atmosphere rich in nitrogen and oxygen, these organisms thrive in very hot or very cold temperatures, or in caves or deep waters where no light penetrates. In this video segment adapted from NOVA, scientists analyze communities of cave-dwelling microbes that live off simple inorganic compounds like iron and sulfur. Based on their findi
Cave Formations: Biogeochemical Cycles
The most common process by which limestone caves form involves carbonic acid — or weakly acidic groundwater — as the primary agent. When carbonic acid contacts limestone, it dissolves minerals in the rock. If enough water to saturate the rock is present over a long time period, cavities and entire underground cave networks can form. Recently, a radical new theory has been proposed that identifies another cave-forming agent: sulfuric acid. This video segment adapted from NOVA identifies the m
Volcanoes from Around the World
This video shows photographs of volcanoes from around the world. It is set to music and each photo gives the location of the volcano. It shows both dormant and erupting volcanoes. Music may be a bit distracting to the viewer. (06:07)
Aftershocks - Earthquake Storms
Scientists examine how aftershocks may be the key to providing the information on the next city to be hit by the earthquake storm. This video is from the BBC. Run time 03:41
The Impact of Earthquakes on the Human Life Part 1/3
Impact of Earthquakes on the Human Life Part 1/3 - Learn about the causes and consequences of earthquakes. Also learn about how people in Japan deal with earthquakes in their daily lives. (07:32)
Rewable and Nonrenewable Energy and Energy Resources
This is another in the series of Blinding you with Science videos produced to assist elementary students with science concepts. In this episode Dr. Loopy and his friends look at renewable and non-renewable energy resources. Run time 30:00.
Turning Trash Into Energy
Ever wonder how New York City pays the electric bill? Find out how the Big Apple turns the trucks filled with trash from the St. Patrick's Day Parade into energy for the city! The power plant shown in this video burns 3 thousand tons of garbage a day and turns it into electricity. Follow the trash as it is transformed into energy. Run time 03:09
Hydrogen From the Sun
This video looks at hydrogen production using electrolysis as one option for storing energy from the sun. The video includes a brief explanation of fuel cells.
How Wind Power is Converted into Useful Electrical Energy
This video provides a brief tutorial - about harnessing wind energy. The high quality animation is supplemented with text - which explains how wind power - is converted to electrical energy, via a generator. Computer animation set to music with labels provided on screen. (No narration) Run time 02:10.
Great Barrier Reef Wildlife
The largest living structure, the Great Barrier Reef spans more than 1,200 miles of islands and submerged reefs. A plethora of coral thrives here, along with a sweep parrotfish, sugeonfish, barracuda, and sharks. Run time 4:11.
Oceans: Arctic
The coldest, windiest place on Earth holds 60 percent of the fresh water on the planet. Recent expeditions to the Weddell Sea produced more than 700 new species, including giant carnivorous sponges. Produced by National Geographic. Run time 04:28.
West Indian Ocean
Two of the world's swiftest ocean currents connect off the east coast of Africa, creating some of the richest biological areas of the sea. The ocean is home to the legendary coelacanth fish. The video offers spectacular underwater scenes. Run time 03:30
Fossil Fuels - by StudyJams
Heat and pressure have turned the fossils of dead plants and animals into deposits of fuel, such as oil, natural gas, and coal. Fossil fuels are a non-renewable resource, and they create pollution, so it is important to conserve them. Learn more about fossil fuels with this slide show from StudyJams. Details images are set to music while information is written under each photo. A short, self-checking quiz is also included with this link.
