Is Earth's energy flow a little off balance? Explore our energy budget using a click-through interactive. Scholars discover the many factors that move solar energy around the planet and why the system is no longer in equilibrium.

It's good thing that it isn't up to RJ to spin the earth on its axis; he can't even keep a basketball spinning! In this video animation, he and viewers learn about Earth's movements in space. One thing to consider before you use this...

Stunning images make up this slide show on the inner planets of our solar system. While visiting Mercury, Venus, Earth, and Mars, viewers also are introduced to the International Space Station and the Spirit Rover on Mars. Follow this...

Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...

Sometimes low, sometimes high, but always in motion! Explore Earth's tidal system in the 10th interactive in a series of 13. Engaging life and earth science students alike, the versatile resource demonstrates cause and effect between...

How many ways is water used? Indirect and direct water use are the two main ways humans use water, but the usage comes in many forms. Animals, agriculture, industries, transportation, and many more rely on water for different uses....

Searching for an eclipse activity that sends scholars over the moon? Try an interesting interactive to get their minds active! The resource, part of an extensive Space series from PBS Learning Media, uses modeling and data analysis to...

Researchers think they have evidence of a new planet deep in our solar system that is the size of Neptune and orbits the sun far beyond Pluto. The orbit simulator shows the orbits of our well-known planets, as well as Pluto and the comet...

Surf's up! What causes the constant motion of Earth's oceans? Scholars discover the origins and types of waves in part nine of a 13-installment series. The resource illustrates wave behavior, their destructive power, and current research...

How many African elephants are on earth? How do scientists answer a question like that? An interactive resource explains a variety of survey methods and their advantages and disadvantages. It connects the need for a survey to...

In this grounding worksheet, students answer 12 questions about electrical power systems, the importance of grounding and electric shock.

In this earth science worksheet, students read and study facts about tsunami and earthquakes to complete 8 short answer questions that follow.

In this environmental stewardship lesson, students view the human footprint website and then answer 3 short answer questions related to human impact on the earth.

Why does it take Pluto 90,000 days to orbit the sun, but it only takes Mercury 88 days? An interactive lesson helps pupils find a connection between the speed of orbit and distance a planet is from the sun. The simulation allows for...

Water is the only molecule on Earth that can naturally exist in all three states of matter. The interactive simulation shows different molecules changing states of matter with the addition or removal of heat. Learners then see how...

Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...

Develop an understanding of the universe. Learners answer 10 multiple choice questions about several topics in astronomy. Questions contain information about the age of the universe, gravitational attraction, galaxies, planets and comets...

Electricity travels at the speed of light, 186,000 miles per second. Through a simulation, classes see how the structure of energy bands in crystals of atoms determines how materials conduct electricity. Participants can change the...

The winds of change are blowing in our very own solar system!  But what makes some heavenly bodies more affected by solar winds than others?  Pupils discover the concept of magnetic forces at work in space in this...

Go with the flow! The eighth installment in a 13-part series has earth science students dive in to the world's system of ocean currents. The interactive illustrates the different types and depths of currents, how wind and gravity...

In this "Curious?  Will you be eclipsed?" activity, 4th graders answer 4 questions interactively about eclipses, then check answers online.

Go study the universe. Pupils learn seven aspects about astronomy and astronomers. They begin to learn about constellations; distance and motion between objects; gravity; the electromagnetic spectrum; dark matter and energy; and teams of...

In this space science instructional activity, students complete 5 multiple choice questions pertaining to the planets and other space bodies. This is an online interactive quiz. Prior knowledge is assumed.

In this cosmic collision worksheet, students explore interactive online website to study about the dynamics of different galaxies. They write short answers to 8 questions that follow.