Interactive Sea Floor Spreading Games

The process is continuous because forces cause opposite sides of the midocean ridge to constantly move apart making new room for the process to repeat.

Interactive sea floor spreading games.

Bbc earth recommended for you. The interactive animation below illustrates this concept. Seafloor spreading is the movement of magma through a crack in a mid oceanic ridge. South becomes north and north becomes south.

Search for the seafloor. Plate tectonics and sea floor spreading for science interactive notebooks teaching the concept of sea floor spreading can be easily modeled using my simple yet powerful interactive resource for science interactive notebooks. For example every million years the earth s magnetic poles tend to reverse 4 or 5 times. Seafloor spreading is the continuous process of forming new igneous rock at midocean ridges by injection of magma that forms new seafloor.

Bees kill a giant hornet with heat buddha bees and the giant hornet queen bbc earth duration. The rocks on the seafloor show the history of the magnetic changes in the earth. The discovery of this phenomenon was an important bit of evidence that helped confirm the theory of plate tectonics. Review games like crazy taxi pacman and soccer merged with trivia questions about review for miniquiz to review and study for tests 48350.

One intriguing thing about the rock that comes from seafloor spreading is that it shows the history of the earth. Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north. Once the basalt cools completely into solid rock the. Rocks on the seafloor on either side of a mid ocean spreading ridge preserve a record of the earth s magnetic field over time.

This interactive activity is simple to prepare and to execute and allows the students to understand seafloor spreading and the position of newer rock and older rock in relation to the mid oceanic ridge. This can result in an ever widening seafloor at the. The cycle of new seafloor forming and old seafloor subducting is extremely slow with the plates shifting just a few centimeters per year. As magma starts to harden into rock iron rich minerals solidify first.

Because it takes a long time for the crust to move the crust at the trenches is about 200 million years old. Play continental drift and seafloor spreading games in an arcade style format.