From their sweat to the water vapor in their breath, astronauts recycle every possible drop of water while in space. After watching a short video describing the different ways materials are recycled and reused in space shuttles, young...

Dive into a lesson on the hydrosphere with this Powerpoint presentation. Building on prior knowledge of the water cycle, young scientists learn what happens to water after it falls as precipitation and explore the different factors...

Investigate the amazing ability of plants to filter contaminants from water with this series of in-class demonstrations. After placing six small, potted plants in plastic cups, different solutions and mixtures are poured into them that...

With almost half of Americans relying on groundwater supplies, it is more important than ever to protect aquifers from possible contaminants. Working in small groups, young environmentalists explore this problem as they create an aquifer...

Investigate the different types of pollution that storm drain runoff carries into oceans, lakes, rivers, and streams with this class demonstration. Using an aquarium and an assortment of everyday items that contaminants like motor oil,...

This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...

Make a splash with young scientists as you teach them all about water using this activity packet. Thirstin, a cartoon glass of water, walks children through the water treatment process, teaches them about different sources of water, and...

Intended as a follow up to the Protecting Your Drinking Water activity, young environmentalists use their assessment of the a hypothetical town's water supply to debate the installation of underground chemical storage tanks. With the...

Having a clean, reliable source of drinking water is essential for any community, but in many cases this is easier said than done. Engage young environmentalists in exploring the five factors affecting vulnerability of a groundwater...

Young scientists create their very own aquifers in this science lesson on ground water. After learning about how some people get their drinking water from underground wells, young learners use sand, modeling clay, and aquarium rocks to...

Environmental explorers examine the campus and take note of living organisms. Introduce them to the biosphere and the questions of the day: How much water can be found in the biosphere? A slide show helps you along, and even contains a...

Water is one of the most precious resources on the earth. Explore water conservation, the importance of natural resources, and how water is used throughout the globe. Two complete activities along with discussion questions are used to...

Very simply, the science class will discuss what they have learned during The Science of Water unit and take a multiple-choice post-assessment quiz. A few other closing activities are suggested for you to choose from, such as having...

This water worksheet is just the tip of the iceberg! It a multiple-choice quiz meant to be a pre-assessment for a wonderful water unit. There are 10 questions to be answered regarding the role, properties, and behavior of water. Make...

Spangler has a fourth grader join him in this segment. Her science fair project was a demonstration of how biologists cleaned up the birds and other wildlife that were affected by an oil spill. Amazingly, it's as simple as using soap!...

Here is one of the better Spangler episodes. Two young girls perform an experiment that results in the creation of a lava lamp! Water, oil, Alka Seltzer, and food coloring are combined in test tubes to create this effect. There is a lot...

Watch this clip and learn about three types of cloud shapes and three types of cloud composition. This clip is very quick and may need to be stopped a few times to ensure maximum concept understanding and retention. Best used for review...

The densities of a variety of liquids are demonstrated in this simple, yet effective experiment. Liquids such as honey, dish soap, cooking oil, water, rubbing alcohol, and corn syrup are put on top of one another in a large beaker,...

Spangler has a fourth grader join him in this segment. Her science fair project was a demonstration of how biologists cleaned up the birds and other wildlife that were affected by an oil spill. Amazingly, it's as simple as using soap!...

Here is one of the better Spangler episodes. Two young girls perform an experiment that results in the creation of a lava lamp! Water, oil, Alka Seltzer, and food coloring are combined in test tubes to create this effect. There is a lot...

The concept of cohesion is explained in this very clear and easy to follow video. Viewers will see how water molecules stick together by fusing their negative and positive charges together to create the bond called cohesion. Good...

This clip picks up right where the Khan Academy's Photosynthesis video left off. Chemicals such as hydrogen and compounds such as NADPH are reviewed along with details including the stroma, thylakoid, lumen, and grana. See the parts of a...

Natalie explains what exactly nutrients are. Here in part one she discusses building blocks such as vitamins, minerals, carbohydrates, and water. Each is thoroughly explained in a simple, but scientific way. Use in a biology or nutrition...

Why is Earth different from every other planet in the solar system? It's our oceans, lakes and rivers. In other words, it's our water that sets us apart. So, how did we first get water here on Earth? Watch the powerful visual...