Protecting buildings, bridges, and roadways from damage during an earthquake is an important task for engineers. Discover how one lab goes about testing the safety of existing and yet-to-be-built structures with a short video. See some...

Island chains are some of the best environments to study evolution and the small adaptations that occur in an isolated ecosystem. Papua New Guinea is an excellent example of these evolutionary gems, with a diverse bird population on its...

In honor of the 4th of July, Steve Spangler shows how to make an explosive concoction in red, white, and blue. Using hydrogen peroxide, dishwashing liquid, and yeast, he creates a colorful chemical reaction. Consider this combination...

This is a classic chemical reaction to use in your science class. Starch and iodine mix to cause a color change. Discuss with aspiring chemists the chemical and physical changes that occur as you demonstrate.

The largest recorded earthquake in Japan in the last 140 years triggered a tsunami in 2011. Live footage of the event was captured and is shown in this clip. The extensive damage is evident as water floods cities. In a social studies or...

Use this video to illustrate magnetic levitation caused by two diamagnetic blocks. The narrator doesn't provide much explanation, so have this prepared for your class.

Have you ever had a learner ask you if time travel was possible? Turn them on to this clear and easy-to-understand video that explains how space and time work together and what that means in relation to time travel.

The different parts of the kidney are pointed out on a model by a teacher. Briefly show your class the components of a kidney with this clip.

Temperature and heat are not the same thing. The differences are explained visually in a science classroom and with animated graphics. The narrator speaks slowly and clearly, making this ideal for younger scientists. Use in your middle...

Winter scenes are displayed one after another with elements of time-lapse showing clouds moving and stars coming out, all to the tune of a lovely piano. Rainbows and sunrises are also displayed. This is a soothing video that is very...

For measuring angles, use a protractor. Using this tool accurately is a valuable skill for your physics stars. This brief video clip can be used to teach your class how to measure correctly.

Part one of this short two-part series begins with a review of Einstein's theories and what they mean to the world as we know it. This clip delves into the "Beyond Einstein" program which NASA created to further Einstein's theories. This...

How is DNA structured? Composed of deoxyribose, phosphate, and bases, DNA seems so simple, yet it determines so much of who we are. Give your class a better understanding of their genetic makeup with this video. Part two of two.

HSW presents the different temperature scales for measuring heat. Use this video with "Temperature and Heat: A Discussion" to introduce your middle school scientists to heat measurement. The narrator speaks slowly and clearly, but the...

A long time gardener walks the viewer through the steps of planting seeds in a seed tray. This is a quality video but basic in content. It is directed at someone who has never planted seeds before, so you could use it to prepare...

Diagrams and video footage of people help show the structures and functions of the respiratory system. Exercise is highlighted, making this an accessible video for a health class.

Introduce the inquisitive learners in your class to the wonders of the planet Earth. This video showcases the reasons why we should study earth science and how a career or education in earth science can help us safeguard our planet. This...

Weight of displaced liquid equals the weight of a floating object. Archimedes' Principle is carefully demonstrated and explained in this science video. The quality is acceptable and the instruction sound. Not exciting, but it is a...

Sal "expands his repertoire" and starts to demonstrates naming of long complicated alkene chains.

This group of lessons introduces the use of scientific notation to express very large and very small values. This lesson is 7 of 18 in the series titled "Scientific Notation."

Join teacher Hank Green to learn about carbon, the elemental building block of all life on earth. Hank also gives an introduction to covalent, ionic, and hydrogen bonds. In order to prepare for a course on biology, this video covers a...

This group of lessons introduces the use of scientific notation to express very large and very small values. This lesson is 14 of 18 in the series titled "Scientific Notation."

This group of lessons introduces the use of scientific notation to express very large and very small values. This lesson is 18 of 18 in the series titled "Scientific Notation."

This group of lessons introduces the use of scientific notation to express very large and very small values. This lesson is 6 of 18 in the series titled "Scientific Notation."