TED Talks
TED: How a blind astronomer found a way to hear the stars | Wanda Diaz Merced
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her sight and was left without a way to do her science, she had a revelatory insight: the light curves she could no...
Curated Video
Decoding the Photoelectric Effect: How It Works
The photoelectric effect is a phenomenon that occurs when light, consisting of photons, interacts with the inner structure of an atom. Photons carry a specific amount of energy proportional to their frequency, which is transferred to an...
Curated Video
Wave Nature of Light: Light Intensity
By the end of this learning object, the student will be able to: Recognize the relationship between distance and light intensity.13613
Curated Video
GCSE Biology - Biotic and Abiotic Factors #83
An important part of any ecosystem are the biotic (living) and abiotic (non-living) factors. This video explore what each of them are, and how to identify them. To learn more about ecosystems in general check out our other video on...
Curated Video
GCSE Biology - Transport in plants - Translocation (Phloem) and Transpiration (Xylem) #51
Learn how plants transport sugars via the phloem (translocation) and water via the xylem (transpiration) between the roots and leaves. We also cover the factors that affect the rate of transpiration: light intensity, temperature,...
Curated Video
GCSE Biology - Factors Affecting the Rate of Photosynthesis #49
The rate of photosynthesis is affected by light intensity, temperature, carbon dioxide concentrations, and chlorophyll. In this video we explore exactly how, and also how farmers can use this knowledge to increase the yields of their crops.
Curated Video
The Anatomy and Function of the Eye
This video is the first of two lecture presentations on the structure and function of the eye. The presenter gives an overview of what the eye is and how it functions as a sensory receptor for detecting changes in light intensity. The...
National Institute of Standards and Technology
Gradient Combinatorial Libraries via Modulated Light Exposure
UV light can be used to cure a range of materials, from adhesives to coatings to dental materials. At the NIST Combinatorial Methods Center, we have developed tools that allow us to screen a material's response as a function of UV...
Curated Video
Understanding Abiotic Factors and Their Impact on Communities
This is a lecture presentation about abiotic factors and how they can affect a community. The presentation also discusses how changes in one abiotic factor can impact the relationships between different organisms within a community.
Curated Video
Practical Applications of Thermistors and Light Dependent Resistors
The video is a lecture focusing on the practical applications of thermistors and light dependent resistors. The video begins with a quick recap of resistors and how they restrict the current flowing through a circuit. The instructor...
Coach Dan Blewett
How Important is a Throwing Warm Up for Baseball & Softball? | Dear Baseball Gods EP65
Throwing warm ups are important, but in today's day and age where we have tons and tons of information, exercises and knowlege at hand, warm ups can often get way too long and be more trouble than they're worth. Listen in as I discuss...
Curated Video
Rate of Photosynthesis Experiments: Investigating the Relationship between Light Intensity and Oxygen Production in Pondweed
The video is a lecture presentation on the rate of photosynthesis experiments. The presenter explains the process of photosynthesis and introduces the hypothesis that the rate of photosynthesis in a plant depends on light intensity. The...
Curated Video
Understanding the Graphs of Multiple Limiting Factors in Photosynthesis
This video explores the concept of limiting factors in photosynthesis and how they can be represented in graphs. The three key limiting factors of light intensity, temperature, and carbon dioxide concentration are discussed, and the...
Curated Video
Abiotic Factors and Their Effect on Communities
The video is a lecture presentation on abiotic factors. It defines what abiotic factors are and how they can impact the number and type of organisms within a community. The presenter discusses different abiotic factors such as light...
Curated Video
Factors Affecting Photosynthesis and Maximizing Plant Growth
The video discusses the factors that influence the rate of photosynthesis in plants, including light intensity, temperature, and carbon dioxide concentration. Different zones are shown to demonstrate the impact of each factor on the rate...
Practical Ninjas
Single Beam Photometer | Absorption Spectroscopy | AI 04
The first and a very basic instrument called single beam photometer or colorimeter is explained in the following animated video. The photometer is used to determine the concentration of the unknown sample using the principle of...
Curated Video
Understanding the Inverse Square Law in Regards to Light Intensity and Photosynthesis
This video explains the relationship between light intensity and photosynthesis in plants. The concept of direct proportionality and a linear relationship between light intensity and photosynthesis rate is discussed. The video then goes...
Curated Video
Rate of Photosynthesis Experiments: Analyzing the Relationship between Light Intensity and Photosynthesis
The video is a lecture presentation on the results of an experiment investigating the relationship between light intensity and the rate of photosynthesis in pondweed. The experiment involved placing pondweed in a dilute solution of...
Journey to the Microcosmos
The Microscope Upgrades We've Made Along The Way | Compilation
This channel wouldn’t be what it is if it weren’t for one very key invention: the microscope. Everything we see, we see with the aid of light and lenses, expertly deployed by our master of microscopes, James. And if you’ve been on this...
FuseSchool
BIOLOGY - Plant Biology - Rate of Photosynthesis
hotosynthesis is a chemical reaction that is fundamental to life. In this video we are going to have a look at the factors that affect the rate of photosynthesis. There are 3 main factors: light intensity, carbon dioxide concentration...
Curated Video
The Structure and Function of the Human Eye
This video is a lecture presentation about the structure and function of the human eye. The speaker explains the different parts of the eye, their functions, and how they work together to allow us to see. They discuss the sclera, cornea,...
Curated Video
Improving Crop Yields: Methods for Increasing Productivity
The video is a lecture presentation on improving crop yields. It discusses various methods that farmers can use to increase the mass of useful product they get from a crop. The presentation starts by highlighting the importance of...
Curated Video
Photosynthesis and Factors Affecting its Rate in Plants
The video discusses the process of photosynthesis, how plants make their own food, and the factors that affect the rate of this process. The video explores the impact of light intensity, carbon dioxide concentration, temperature, and the...
Curated Video
Limiting Factors of Photosynthesis
This video discusses the rate of photosynthesis. The video explores the three key limiting factors to photosynthesis: light intensity, temperature and carbon dioxide concentration. The video also highlights the importance of chlorophyll....