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....

Three types of symbiosis are explained: parasitism, commensalism, and mutualism. This is done with colorful animation and lively dialogue in a straightforward and easy-to-follow manner. Have your ecology class watch this at home and then...

Concise, yet complete, this set of seven slides describes with photos and text the different basic instruments for measuring weather factors. After viewing, young meteorologists will be able to talk about how to measure humidity, wind...

Take your class to the moon and back with this compact slide show. A mix of computer-generated images and photographs are supported by explanatory text. Observers learn about the moon's movements, its physical features, and its phases....

Pretty pictures of water droplets, clouds, and snow-covered mountains are the backdrop for information about clouds and precipitation. With 10 slides in all, viewers see how and where clouds form as well as what forms of water can fall...

Introducing your class to weather concepts is a breeze with this fresh film! It differentiates between weather and climate, describes the factors that affect weather (temperature, air pressure and humidity), and displays Earth's climate...

Tornadoes and hurricanes and blizzards, oh my! Severe storms are always occurring somewhere on the planet. By reading through these slides, learners discover the characteristics of each type. Have them do this as homework and then take...

Set youngsters in motion when studying forces. This quick animated film stars Sam and Mia, two intelligent but cool kids who talk about forces and motion on the soccer field. Consider using this resource when preparing junior-high...

Take a ride on the carbon cycle by watching this animated featurette. Those who do will learn about the element carbon, how it cycles through the atmosphere and biosphere, and how it contributes to Earth's temperature. This video comes...

You will lava this little clip about volcanoes! It explains what a volcano is and describes the four different types. It also addresses how magma flows through a conduit, passes through a vent, and becomes lava. All of this takes place...

Mmmmmmm, here is a tasty little slide show to use when introducing upper-elementary learners to the sense of taste. Photographs and detailed computer images accompany explanatory text about how the taste buds and the nose send signals to...

Is it possible to defy gravity? Not really. With force and inertia, we can act against it for a little while, but, eventually, gravitational force will pull us back to Earth. The relationships among mass, force, and inertia are all...

What happens when two teens collide? Find out when RJ runs into Chloe in the school hallway! After their collision, they discuss Newton's third law of motion. Their collision is replayed a few times to identify the action and reaction of...

Raise the temperature in your class with this hot film! Cartoon teens discuss thermal energy, the conservation and transfer of energy, three methods of heat transfer, conductors, and insulators. The publisher effectively packed every...

Ahoy, matey! Here is an engineering expedition that mini mariners are sure to be swept away by! After reading a brief description and history of periscopes, they work in crews to construct one. Use this activity to enhance a lesson on...

Nano-nano! Nanotechnology can seem like it's from another planet! After learning about this tiny technology, collaborative groups experiment with how smaller particles affect chemical reactions. They do this by immersing a whole and a...

What is the relationship among the heart, circulation, and exercise? Your class members will explore first-hand how different physical exercises affect an individual's heart rate. They will begin by learning how to measure their own...

Leave it to the classic jump rope to get your class excited about physical activity! Your class will begin by discussing the benefits of jumping rope as a form of exercise and learning a few different types of jumps. Then in groups of...

In an introductory lesson, youngsters take a pre-assessment quiz, get a grasp of a gram of mass, and then estimate the mass of microorganisms that live within a human body. Using Glo Germ™, a material that allows you to simulate the...

Aspiring astronomers assess the inner planets using this handout. They read about the characteristics of each, noting that all four of them have rocky surfaces. Rotation and revolution are introduced, including Venus' retrograde...

After reading about how the sun gets its energy, and about the layers and features of the sun's atmosphere, heliologists complete a comprehension worksheet. On it, they label features on a diagram of the sun and match terms from the...

Listen in as Mia and Sam expound on sound. It is caused by vibrations and travels in waves. It has the qualities of pitch, frequency, and volume. This hip animation displays a graph to depict the frequency and amplitude of sound waves....

Zoe and RJ are trying to photograph an egret on a lake, but they are having trouble with the lighting. Reflection, refraction, and absorption are explored through their thoughtful dialogue so that your physical scientists are illuminated...

Does matter really matter? Properties of matter are discussed by Sam and RJ: mass, volume, and density. They differentiate between mass and weight. They explain how to measure these properties. Make sure to teach your class about other...