American Chemical Society
Why Do Leaves Change Color?
Discover the scientific explanation of fall leaves! The lesson narrator describes the role of chlorophyll, glucose, and weather in the process of the color-changing process. He adds an overview of carotenoids and flavonoids to explain...
PBS
When The Earth Was Purple
Earth appears blue and green now, but an interesting video covers a theory about when our planet was purple. We know the sun emits mostly green light, so why do most plants repel green light rather than absorbing it? Did purple microbes...
MinuteEarth
Why Are Leaves Green? Part 2
Examine the role of chlorophyll in the process of photosynthesis. An interesting video lesson helps learners understand the efficiency of green chlorophyll as it creates energy for a plant. Although 99.9 percent of plants use green...
MinuteEarth
The Real Reason Leaves Change Color in the Fall
Discover the chemistry behind the color change in leaves. The lesson narrator describes how trees must recycle nutrients in the leaves before they fall off for the winter. The video breaks down the process and highlights the chemistry of...
MinuteEarth
Why Are Leaves Green? Part 1
Consider a question that baffles even scientists. Why are leaves green? The video lesson offers a theory that begins with the first aquatic plants. Learners consider alternative explanations as well.
Bozeman Science
Photosynthesis
A scientific video describes photosynthesis in both plants and algae through the use of chloroplasts. It also explains the various pigments and types of chlorophyll, light reactions, and the Calvin cycle.
Crash Course
Photosynthesis
Seventy percent of the world's oxygen is produced through photosynthesis by phytoplankton, microscopic plants found in the ocean. Viewers learn about the complex process of photosynthesis with a video that covers both the light...
Crash Course Kids
Vegetation Transformation
How do plants transform the sun's light energy into chemical energy? This is the focus of a video that explains the processes of photosynthesis.
Crash Course Kids
Who Needs Dirt?
How do plants get the nutrients they need? This is the focus of a video that discusses how plants use photosynthesis to survive, with or without dirt.
Curated OER
Photosynthesis Presentation
This collection of animated slides offers an explanation of the photosynthesis process. It must be homemade as the sounds of dishes clanging, a television commercial, and computer mouse clicks are heard in the background. You will need...
Sophia Learning
Sophia: Chloroplast
An illustrated tutorial describing the structure and function of the chloroplast organelle in a plant cell. [0:37]
The Kid Should See This
Tksst: Why Do Leaves Change Color?
Find out what causes those brilliant colors to appear on leaves in the fall season. [2:10]
Sophia Learning
Sophia: The Role of Plants in the Food Chain: Lesson 1
This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 1 of 3 in the series titled "The Role of Plants in the Food Chain."
Sophia Learning
Sophia: Chloroplast: Lesson 1
This lesson will discuss the structure and function of the chloroplast. It is 1 of 4 in the series titled "Chloroplast."
Sophia Learning
Sophia: Plants
A brief, descriptive podcast examining the main structures and functions of green plants. [0:47]