Science

• Pacific Ring of Fire refers to the region around the Pacific Ocean that are commonly hit by earthquakes and volcanic eruptions
• • A volcano is a natural opening in the surface of the Earth where molten rocks, hot gases, smoke and ash are ejected.
• Cinder cone volcano - steep-sided conical shaped volcano made up of cinders or small fragments of rock
• the molten, or liquid-like, rock within the Earth

  Magma
• An erupting volcano is an active volcano that is having an eruption

  Erupting volcano
• has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future

  extinct volcano
• is an active volcano that is not erupting, but supposed to erupt

  Dormant volcano
• A chemical that contains silicon, that is found in sand and quartz, and that is used to make glass

  Silica