Sea Floor Spreading Lab Activity Answers
Sea floor spreading answer key.
Sea floor spreading lab activity answers. Because students choose different study sites their answers will vary but should fall within the range of a 9 12km my half. Start studying chapter 17 2 seafloor spreading. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. Model of seafloor spreading templates one with three straight lines and another with striped bands or striped bands with arrows colored pencils or crayons.
Answer key student activity the distance between us and them. Seafloor spreading is happening at b. Many of the questions raised in this endeavor have no absolute answers. Such magnetic patterns led to recognition of the occurrence of sea floor spreading and they remain some of the strongest evidence for the theory of plate tectonics.
Africa south america north. Answers vary depending upon the strip of ocean students choose. The theory of what states that new ocean crust is formed at ocean ridges and destroyed at deep sea trenches. Whats people lookup in this blog.
The red line traces the path of the mid atlantic ridge. Seafloor spreading is happening at b. We will observe evidence of how the sea floor has spread apart over time. We call this sea floor spreading.
Try the activity and explore the reasons why the youngest rocks are located at the ridge and how the sea floor records a history of the magnetism of earth. Nov 24 2015 if your teaching seafloor spreading this is an easy and fun lab to do with your students. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge. Seafloor spreading rates lab answer key.
Sea floor spreading lab seafloor model name date block project answer key 4 an expedition to the pg 23 29 worksheets for each student edition activity laboratory you. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. A model of seafloor spreading purpose. The purpose of this activity is to make a simple model that shows the evolution of oceanic crust through sea floor spreading.
This is a mid ocean ridge. Sea floor spreading in the atlantic ocean 1. This lab is a great way to get students actively engaged in hands on cooperative learning. Sea floor spreading worksheet answers key.
Modeling seafloor spreading lab answer key. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean r. Earthquake activity and volcanism are common along ocean ridges. After following the easy step by step instructions students answer questions analyze conclude worksheet at.
Seafloor spreading lab answer key. This creates new ocean crust. Sea floor spreading answer key this is a mid ocean ridge. Seafloor spreading worksheets reviewed by teachers review and reinforce sea floor spreading fill online printable seafloor spreading questions q sea floor spreading pg 23 29 seafloor spreading worksheet pdf answer key fill online.