Sludge

Hold the sea in the palm of your hand! Amateur oceanographers work together to create models of an ocean ecosystem in the sixth and final installment in a series. Raise awareness of global ocean health issues through guided research,...

Here is a wonderful series of lessons designed to introduce learners to the variety of renewable, clean energy sources used by people all over the world. Geothermal energy is the resource focused on. This particular sources of energy...

We take paper for granted, while thousands of trees are being made into the paper we toss in the trash. Start a dialogue about paper reduction and recycling in class, and share the negative effects paper production has on our ecosystem....

Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...

Help young conservationists appreciate the important role that trees play in ecosystems around the world with this collection of six engaging activities. From a shared reading and class discussion of Dr. Seuss' The Lorax, to in an depth...

Students, through a series of lessons, study the various processes of treating wastewater. They participate in discussion and complete various worksheets and a hands-on activity, in which they observe the processes of filtration and...

Dracula isn't the only one who needs blood to survive. The eight-part unit includes seven lessons, five demonstrations, seven labs, and a project to organize a blood drive. Class members learn about the parts of blood, the form and...

Fifth graders draw a plan that they think will clean the sludge in a jar. Students construct the treatment system they designed, take a bottle of sludge to the system and try it out, writing down what happened.

What is a fossil fuel? Ever heard that question? Well, now you have an answer, or least a research project that will allow learners to find the answer on their own. They research how electricity is generated from coal then create a...

Auntie Litter is here to educate young scholars about water pollution and environmental stewardship! Although the 15-minute video clip is cheesy, it's an engaging look at the water cycle and conservation. Learners start by illustrating...