TED-Ed
TED-Ed: Why do we have to wear sunscreen? - Kevin P. Boyd
You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays and burn-inducing UVB's can pose a serious risk to your health (and good...
Curated Video
X-ray
Electromagnetic radiation present between ultraviolet and gamma rays on the electromagnetic spectrum, with wavelengths from about 0.01 to 10 nanometres. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Wonderscape
The Ozone Layer: Earth's Natural Sunscreen Under Threat
Explore how chemicals like chlorofluorocarbons (CFCs) impact the ozone layer, which acts as the Earth's natural sunscreen by absorbing harmful ultraviolet rays. Understand the environmental consequences of ozone depletion, including...
Curated Video
Sunshine and Safety: Understanding Sun Protection and Skin Responses
As summer intensifies, discover why our skin reacts differently to sun exposure, why some of us tan while others burn, and the essential role of sunscreen and sunglasses in protecting our skin and eyes. Learn the science behind melanin...
Curated Video
The Three Best Herbs To Fight Depression
Did you know that many medications are derived from plants? For example, salicin from willow bark is the basis for aspirin, and valeric acid from valerian root is chemically modified to make Valproic acid, which psychiatrists use to...
Visual Learning Systems
The Nature of Light: Ultraviolet Rays, X-rays, and Gamma Rays
Students will learn about the different frequencies along the electromagnetic spectrum. Vivid animation is used to explore the visible spectrum of light and the colors it allows us to see everyday. The video also investigates various...
Getty Images
A glowing white sun crosses an iridescent sky above a thick layer of clouds.
A glowing white sun crosses an iridescent sky above a thick layer of clouds.
Physics Girl
The Ultraviolet Catastrophe
What do scientists do when their observations don't match the theory? An interesting video introduces the ultraviolet catastrophe as part of a larger series covering physics concepts. Starting with ultraviolet light and ending with...
Curated OER
Radiation
Two types of radiation are discussed in this conversation between a professional and a preteen scientist. Solar rays and galactic cosmic rays are extremely powerful and need to be shielded against when astronauts travel in space....
Veritasium
How UV Causes Cancer and Aging
As the rates of skin cancer rise to become the most common type of cancer in the United States, scientists directly relate sunscreen usage to skin cancer prevention. Doctors research exactly how ultraviolet light changes cells. Viewers...
Veritasium
The World in UV
The sky appears blue, but why? Humans see the world through the visible light spectrum, but the light spectrum is much larger than what the eye sees. Camera lenses allow people to view the world in ultraviolet, and the changes might...
Teach Engineering
Skin and the Effects of Ultraviolet Radiation
Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...
TED-Ed
Which Sunscreen Should You Choose?
What are the benefits of choosing a sunscreen with SPF 30 over one with SPF 50? Why is spray application not as effective as rubbing in lotion-type sunscreen? How does sunscreen affect the environment? An informative video on...
Be Smart
Why is the Sky Any Color?
Skin, the toughest part of the body, provides each person with multiple layers of protection from the outside world. Assist young scientists as they view the video segment and learn the differences in melanin production, leading to...
PBS
Pbs Teachers: Sunscreen
Learn what sun protection factor (SPF) is. Watch kids use the scientific method to find out what SPF works best at keeping out the sun's harmful UV rays. Try experiments with different types and colors of fabric to see how well they work...