Chapter 6, Section 4 Volcanoes in the Solar System Wednesday, April 14, 2010 Pages 200 -- 202

Objectives Explain how volcanoes on Mars and Venus compare with volcanoes on Earth. Describe the volcanic activity found on the moons of Jupiter and Neptune.

Volcabulary Words Active Dormant Extinct

Volcanoes in the Solar System Earth is not the only body in the solar system that show signs of volcanic activity. Pictures of taken in space show activity on Mercury, Venus and Mars. All of these planets, including Earth, are rocky planets.

Volcanoes on Venus Pictures taken of Venus show signs of widespread volcanic activity. There are about 150 large volcanoes. Volcanic mountains on Venus are large sloping shield volcanoes. Scientists looking for evidence of active volcanoes. Theia Mons -- largest volcano on Venus.

Volcanoes on Mars Volcanoes are found in only a few regions of Mars’ surface. In addition to shield volcanoes, Mars also has cone-shaped volcanoes. Volcanoes on Mars not believed to be active. Olympus Mons - largest volcano on Mars (8x taller than Theia Mons on Venus.)

Volcanoes on Distant Moons Volcanic activity observed on Io, one of Jupiter’s moons and on Triton, one of Neptune’s moons. Closeup of a volcano eruption on Io. Picture taken by NASA in 1995. Volcano on Triton

Review… Describe the volcanic features found on Venus and Mars. Do volcanic features on these planets resemble those found on Earth? Explain. How is volcanic activity on the moons of Jupiter and Neptune different from volcanic activity on Earth? What is the largest volcano in the solar system? What type of volcano is it?

Homework Workbook 6.4 (4/16) Worksheets 6.3 and 6.4 (4/16) There is no vocabulary quiz scheduled.