This resource guides younger students in studying the night sky and looking for constellations and individual stars. Topics include distinguishing stars from other bright objects in the sky, how to keep a sky journal detailing observations, do's and don't's for going out at night to make observations, and some suggestions on what to look for. Full description.

In this lesson, students will observe and document similarities and differences between parts of plants. It supports students interacting with nature and provides them with a framework for their observations by offering them opportunities to explore, question, and document similarities and differences among plant parts. Students will identify and sort plant parts through hands-on activities and group ... Full description.

This tutorial is about the Arctic tundra biome; the plants and animals found there; and the amount of sunlight, temperatures, seasons and permafrost. Examples of Arctic ecosystem interactions, food chains, and biological adaptations to the Arctic Coastal Plain are given. There are photographs of wolves, caribou, arctic hares, minks, lemmings, arctic foxes, polar bears, seals, walruses, ptarmigans, ... Full description.

In this activity, students will begin their experience with the tools of scientific inquiry. They will observe their world, inside and outside of the classroom, looking for changes, perspectives, and patterns. They will begin to use measuring tools as simple as their feet and fists and move on to more complex devices such as microscopes and scales. This is the first step in the journey to build learning ... Full description.

In this classroom activity young students explore the meanings behind dinosaurs' names. It opens with background information for teachers about the Greek and Latin roots of dinosaur names. After discussing what they know about dinosaurs, students learn that dinosaur names can describe what the dinosaur looked like, how it might have acted, or where it was found. Working as a class, students use a ... Full description.

This lesson introduces elementary students to the concept of soring living things into groups according to certain features. Students look at two kinds of dinosaurs based upon the structure of the pelvis and categorize them accordingly. Full description.

This is an interactive feature in which in which younger students explore space. After an introduction by astronomer Neil de Grasse Tyson, director of the Hayden Planetarium, they will follow a series of links that introduce various topics in astronomy: gravity; the planet Mars; our sun; our galaxy (the Milky Way); and the origin of the universe (the Big Bang). The feature concludes with a game in ... Full description.

This lesson requires the teacher to tell a story and lead a discussion to explain how electricity causes air pollution. The story and related discussion are designed to help the student to understand why saving energy, including electricity, hot water and home heating, helps to reduce air pollution. Full description.

This time scale allows students to select multiple time periods from a list and view them on a highlighted display. It shows the relationship between eon, era, period, sub-period, and epoch and also includes the date in mega-annum (Ma) or millions of years before present. The scale reflects the changes in the Cenozoic Era (Tertiary and Quaternary have been eliminated and the Neogene modified) in the ... Full description.

This resource introduces younger students to the science of astronomy. It begins with a definition of the term and then introduces several major concepts: the difference between astrology and astronomy; the role of gravity; the use of light to study the universe; the use of telescopes; the vast size and age of the universe; and the concept of change in the universe. Full description.