Touring Through the Beginning of Earth

In this earth science worksheet, students answer fifty multiple choice questions and thirty-three short answer questions in preparation for the earth science final exam.

Throughout this earth science exam, high school geologists complete a series of multiple-choice and short-answer questions about the solar system, atmosphere, and Earth system. This is an amazing test, as are all of the exams developed...

Care to speculate on how life on Earth came to be? The video presentation from the ACS Reaction series considers the possibility of comets creating the right conditions for the formation of life. Scholars consider colliding comets as...

Scientists try to understand the origins of life, and answers to these questions might be found during our lifetime. The fourth video in a 16-part series explains the earliest forms of life on Earth and their development. It covers...

How was our solar system and Earth formed? Sal hypothesizes that a Supernova was most likely the catalyst that spawned our sun and, consequently, our solar system. He thoroughly explains the formation of the moon and the Earth using a...

How did life on earth begin? Is there a scientific explanation that could show how life arose from chemical reactions? Discover the answers to these questions and more as you watch a basic explanation of the hypotheses currently being...

Is there life beyond Earth? If so, should we make contact with that life? Carl Sagan, along with other astronomers, packed the Voyager 1 and Voyager 2 with sounds of the Earth and Earth's inhabitants, hoping to reach...

The revolutions of chronometry, the study of time, with respect to measuring time on Earth from forms of writing to radioactivity. [9:54]

Guess where the oldest rocks on Earth are found? And what do these rocks reveal about the age of the earth?   Viewers of this short video analyze the age of the earth and explore the origin of life through geologic,...

What is energy, anyway? Use this featurette as an introduction to your middle school energy unit. It successfully touches each of Earth's physical systems, the sun as our main source of energy, and the flow of energy through the food...