A slideshow and a short multiple-choice quiz on the topic of seasons and how they are caused by the Earth's rotation and orbit.

How do we communicate with each other? How do we communicate with people who are close by? How do we communicate with people who are far away? In this lesson, students will explore the role of communications and how satellites help...

[Free Registration/Login Required] An informational text about some of the objects circling the Earth. A question sheet is available to help students build skills in reading comprehension.

Plate Tectonics provides geology with a comprehensive theory that explains how the Earth works.

After listening to excerpts from four of the violin concertos from "The Four Seasons" by Italian composer and violinist, Antonio Vivaldi, decide which excerpt was meant to go with which season, and also decide where the earth would be in...

This site from NASA helps in explaining a barycenter. "In the case of the Earth and the Sun, both bodies actually revolve, or spin, around the center of the mass between them. This point is called the barycenter."

A worksheet regarding the path of the Sun around the Earth and the Earth's tilt on its axis.

On December 8, 2016, John Glenn passed away. Glenn was a famous American astronaut.

How did the moon form? Learn the answer to this and numerous other fun facts in this article from Space.com.

[Free Registration/Login may be required to access all resource tools.] Astronauts and space study.

[Free Registration/Login may be required to access all resource tools.] This study guide provides a brief overview of satellites, shuttles, rockets, and space stations. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Astronauts and space study.

[Free Registration/Login may be required to access all resource tools.] Learn about the distinctive features of the planet Venus.

This lesson plan from the Illinois Institute of Technology demonstrates the causes of; day and night, seasons, and phases of the moon.With a few items, you help the elementary student discover why these phenomena occur.

This site from NASA provides a detailed description of the final Mercury mission where Gordon Cooper orbited the earth 22 times alone for the last "Solo" American space mission.

A competition for students in Grades 5 and up, in which they design an experiment that would fly in space under conditions of microgravity. Winners in local competitions are chosen to submit their designs for inclusion in a...

Do you know how gravity affects you? This module defines gravity and explains how gravity affects the motion of objects.

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...

An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive Javascript form allows the user to practice determining the force of gravity and the acceleration of gravity...

An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive Javascript form allows the user to practice determining the force of gravity and the acceleration of gravity...

The official transcription of John Glenn's in-flight communication with Mission Control during his orbit around the earth in 1962.

Part of the National Air and Space Museum's online exhibition about Exploring Planets, this describes and gives visuals of telescopes, probes and fly-by aircrafts, orbiters, and landers as current methods for earth and airborne...

The story of America's first astronaut to orbit the earth during the Mercury Space program. After launching the program click on continue or on the numbers to learn about the story of the Mercury program and the first American to orbit...