We know about many different life cycles of animals and plants, but did you know stars also have a life cycle? The video illustrates the life of a star in under one minute from the formation of helium to the collapse of the star. 

Here's your chance to grow and develop your lesson plan for NGSS standard LS1B! The narrator of the video explains how to lay a solid foundation for learning within the standard, then gives examples and scenarios to help fine tune...

Plants evolved more than 400 million years ago into two types — vascular and nonvascular. Here's a video that explains the difference between vascular and nonvascular plants and then focuses on the over 24,000 types of nonvascular...

When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...

Time-lapse photography was used to capture the growth of different fungi. This may evoke "Eews!" and "Icks!" from your class. The fungal life cycle is briefly described and then the video stops short. The title is in error; fungi are not...

Expose your class to the steps of the nitrogen cycle with this short clip. Colorful computer imagery and animation explain how nitrogen travels from the atmosphere as a gas into plants and soil, where bacteria convert it into nitrates....

How did scientists move beyond the medical ideas of Galen? Dissect the past with the 15th installment in a History of Science video series. Topics include Vesalius' dissections, the microscope, and mapping the human body.

Are you Excelent with spread sheets? Video begins with an explanation of populations and life cycles of both plants and animals. Then it walks through how to model generations of a population by using a spreadsheet. It is the...

Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...

What happens when you plant large numbers of non-native trees in an area? Well, sometimes it attracts the wrong kind of attention! Meet the South American palm weevil, an insect that spends its entire life cycle destroying palm...

It turns out that wasps and bees have a lot more in common that the word ouch! Junior entomologists explore the similarities and differences between flying, stinging insects with the 136th installment in a 143-part series of science...

Two very hip teenagers walk through the forest collecting evergreen cones. One teaches the other about gymnosperms: cycads, ginkoes, gnetophytes, and conifers. He tries to convince his friend how amazing cones are, while she defends...

Trees are one of the most amazing life forms on the planet. Learn about the wonders, life cycles, and parts of trees. This is a beautiful and informative clip that will provide learners with a respect and understanding of why trees are...

Cameras are amazing tools that enhance the way we see the world. From capturing time-lapse footage of seeds sprouting or seasons changing, to high-speed photography showing a bullet crashing through its target, cameras allow us to see...

Meaning of Life Cycle: It is the sequence of the transfer of food energy from one organism to another. A food chain begins with a producer, producers are eaten by primary consumers (called herbivores) which are eaten by secondary...

Nina Leopold Bradley, daughter of Aldo Leopold, introduces the practice of phenology, or the study of the timing of life cycles of plants and animals, and explores evidence of climate change from records her family has kept since 1935....

In this video segment adapted from NOVA, learn about the critical role of flowers in seed plant reproductive biology. [4:01]

In this Dinoasaur Train clip, Tiny is sad that her favorite flower has died. This resource teaches students that everything in nature changes because of the plant life cycle. [2:38]

A segment from the film Waters of Life takes a look at the role of plants in the estuary, and the cycle of life that depends on them. [3:27]

Learn about the life cycle and seed dispersal methods of mangrove plants found in Florida. Understand why these plants are important in the estuary. [4:32]