Changes to a neighborhood park in Illinois have affected the Northern White-Footed mice who live in the forest nearby. Scientists who study living mice today compare them to museum samples of dead mice to understand how they've changed...

In this video, students will learn how to describe a data set by using the characteristics of the quantity measured. The video covers different types of data representations such as dot plots, histograms, and tables, and explains how to...

Everyday we experience weather. This interesting series of programs helps students understand the factors that contribute to weather formation. Real-life examples enable students to appreciate the different aspects of weather....

The video is a lecture or presentation on forces and work. The speaker defines what work is and provides examples of how energy is transferred from one form to another. The speaker also explains how to measure work and the equation for...

The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will begin our analysis of validity by examining the importance of...

During its K2 campaign, NASA's Kepler spacecraft observed the eighth planet in our solar system, Neptune. Kepler detected small changes in Neptune's brightness caused by the planet's daily rotation, the movement of...

The video explores distance-time graphs and how they can help us understand the motion of objects and calculate their speed. Using a specific example of a cyclist's journey, the video shows how to interpret the graph and calculate the...

This video goes over the dot product also known as the scalar product. This video goes over how to find the work done by a constant force. 4 examples are also presented illustrating how to solve work problems.

The video is a lecture on the topic of kinetic energy, discussing what it is and how to calculate it. The lecturer uses examples, such as a car and a football, to explain the equation for calculating the kinetic energy of an object. The...

Exercise Physiology | Respiratory Quotient (RQ): What is it?

The video is a presentation on the introduction to vectors. The presenter explains the concept of vector quantities, which have both magnitude and direction. They discuss the notation of vectors, including column vectors and position...

Live-action weather footage helps students learn how they can observe the weather. Concepts and terminology: temperature, air pressure, weather systems, precipitation, and wind.

This is Russia: the largest country on the planet by pure landmass. The country is the center of many controversies that have today made it a bit of a boogeyman in the international community.



It is enormous military...

High above the thin Martian skies, NASA’s MAVEN spacecraft is carrying out a mission: determine how Mars lost its early atmosphere, and with it, its water. While previous Mars orbiters have peered down at the planet’s surface, MAVEN...

Four years ago, NASA made a long promised return visit to a place so legendary in the history of space exploration that it felt like a reunion with a long lost relative. With the liftoff of the Lunar Reconnaissance Orbiter (LRO),...

In this video, students will learn how to understand and measure angles by looking at the hands of a clock. They will discover that a quarter turn is 90 degrees and three quarter turns are 270 degrees.

This program introduces students to the usefulness and fun of the metric system. The concept of measurement as related to the metric system kicks off the video, followed by examples of how the metric system is used in science. Through a...

The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will begin our analysis of validity by examining the importance of...

Snow is vital for Earth’s ecosystems and humans, from its temperature-regulating reflection of sunlight and insulating properties, to its life-sustaining water as it melts in the springtime. Snow provides freshwater for...

This video explores five fun facts about hail.

Hurricane Katrina was historic, not just for size and strength but for way it hit the Mississippi Gulf Coast, and southeastern Louisiana. It led to death, destruction, displacement, and suffering, particularly in New Orleans. See the...

Thank you for watching our Geometry | Lines and Angles Compilation.

Society has an unlimited desire for material goods but the world has limited resources to supply these goods. Ever since the industrial revaluation most advanced economies have consistently increased their economic output over time....

Chiller coefficient of performance. In this video we learn how the COP or coefficient of performance is calculated for a chiller in a chilled water cooling system, considering the flow rate, temperature, chilled water and electrical...