Dr. Forrester describes the body’s respiratory system by highlighting each component of the system and explaining how the diaphragm, larynx, trachea, bronchioles, and air sacs aid the lungs in the human body’s exchange of oxygen for...

Fermentation analyzes the process of fermentation by describing how cells and organisms acquire and release energy.

The Geosphere examines the three layers of Earth's geosphere by discussing each layer and its relation to the others.

Dr. Forrester defines the terms: molecule and compounds. She explains that every substance of matter is made up of atoms, and she discusses Dalton’s atomic theory.

Dr. Forrester talks about the carbon and oxygen cycle. She describes the paths they make through the ecosystem. She also lists the ways that oxygen is removed from the atmosphere and how we use it.

Dr. Forrester will focus on the nitrogen cycle. She will define and explain how the cycle works.

Dr. Forester explores the Chesapeake Bay ecosystem, identifying key components and threats currently faced.

Dr. Forrester provides an overview of the various systems in the human body. She then introduces the circulatory system and describes the critical functions of this amazingly efficient system.

This video explores five fun facts about elements, compounds, and mixtures.

Water covers 70% of the surface of the Earth, and serves as home to an incredible variety of living organisms. Most of that water is salty, or marine, while some is freshwater, and it is in constant motion through the hydrologic cycle....

Learn about the Other Non-Metals group of the Periodic Table with Non-Metals and Other Non-Metals Song Periodic Table by KLT.

All about fish! Jessi invites Augusto on to talk about fish as pets and what caring for them looks like.

In a previous video I talk about the Mediterranean diet and how it has been shown in studies to improve depression. In this video I discuss why healthy food helps your brain. It has to do with oxidative...

Learn about photosynthesis and the parts of a plant with fun animation for students of all ages, especially fourth graders. Learn how plants make their food using water, air, light, and nutrients. Covers chlorophyll and photosynthesis...

Coach Socrates introduces Miss Palomine to the concept of proper breathing. He shows her how to inhale through her nose and to exhale through her mouth, and they practice taking deep breaths and practice breathing properly while exercising.

Early atomic physics - the development of the first ideas. The first ideas started with Democritus: atom is unsplittable. Then John Dalton Law of constant proportions. Avogadro: Molecular theory of gas laws. Prout's hydrogen weight...

Coach Socrates leads Miss Palomine through a combination work out of all the exercises from the first 8 weeks.

Coach Socrates shows Miss Palomine two breathing techniques – deep breathing and alternate breathing and explains the importance of proper breathing techniques.

Coach Socrates and Miss Palomine play a game of “Name That Body Part.” Once Miss Palomine guesses the body part, they talk about what the body part does, and which exercises benefit that body part.

Coach Socrates and Miss P review the functions of the heart, lungs, brain, bones, and muscles and then have some fun with the Coach’s rap.

Coach Socrates teaches Miss Palomine healthy breathing techniques. He then puts her through some breathing exercises to demonstrate the value of proper breathing.

Coach Socrates and Miss Palomine discuss the importance of deep breathing exercises. With the help of her Coach, Miss Palomine then monitors her lungs and heart while exercising. The Coach and Miss Palomine close the workout by trying...

After learning about how orbital variations and the sun affect Earth's climate, let's get a little closer to home and see how things like volcanoes and oceans can also affect the climate. There are very elaborate currents in the ocean,...

This video examines details relating to the planets Earth, Mars and their moons, as well as the Asteroid Belt.