The Terrestrial Planets
The four planets closest to the Sun are called "the terrestrial planets." These inner planets are considered to be small and rocky. Although they are all rocky, their varying distances from the Sun create drastically different conditions on each planet. Click on the circle icons next to each planet to learn more about the terrestrial planets. Click the player to begin.
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Earth's Moon
The planet Mercury is most similar to Earth's Moon. They are both very similar in size and gravity; Mercury does not have an atmosphere and neither does the Moon. The Moon has several unique characteristics worth noting. The geology of the Moon is fascinating, so much so that there is a whole field of science devoted to its study: selenology. In this interactivity, click on each of the shaded boxes to learn more about the geology of the Moon. Click the player to begin.
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To learn more about the Moon, view the video The Moon from eMediaVA℠. While you are watching this video, consider what it might be like to travel to the Moon and witness its craters, maria, and rill.
Terrestrial Planets Review
Now that you have explored the inner, terrestrial planets of the Solar System, check your knowledge in this non-graded activity. Read the directions associated with each question and select the correct response. Then, click SUBMIT to check your answer. Click the player to get started.