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 world's spheres instructional activity, students are given nine spheres and they match the given definitions of the sphere with the term.

For this earth science learning exercise, students answer 85 multiple-choice and short-answer questions on various earth science concepts.

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...

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, young scholars 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...