Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...

In this Earth worksheet, students investigate the interactions between the four major parts of the earth-the atmosphere, the geosphere, the biosphere and the hydrosphere. Students discuss their findings as a class.

To conclude their examination of forest ecosystems, class members consider the role forests play in the carbon cycle and how forests can offset climate change.

In this world's spheres worksheet, students are given nine spheres and they match the given definitions of the sphere with the term.

Every year, more than 14 billion pounds of garbage is dumped into the oceans of the world, most of which is plastic and toxic to ocean life. Lesson 32 in the series of 36 focuses on environmental concerns, specifically pollution. Under...

For this changes in the spheres worksheet, students take notes on the impacts that acid rain, nuclear accidents, flooding, forest fires, contrails discovery, oil spills, meteorite collisions and volcanic eruptions have on the atmosphere,...

In this Earth's layers worksheet, students click on the links in the questions about Earth's layers to find the answers to the questions and then come back and answer the questions. Students answer 12 questions total.

In this earth and beyond science worksheet, students read through an 18 page packet containing information and questions pertaining to global carbon cycles. There are website links available on the pages where additional information on...