Interactive Sea Floor Spreading Games

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Interactive sea floor spreading games.

Review games like crazy taxi pacman and soccer merged with trivia questions about review for miniquiz to review and study for tests 48350. 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. This can result in an ever widening seafloor at the. As magma starts to harden into rock iron rich minerals solidify first.

South becomes north and north becomes south. Rocks on the seafloor on either side of a mid ocean spreading ridge preserve a record of the earth s magnetic field over time. 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. The cycle of new seafloor forming and old seafloor subducting is extremely slow with the plates shifting just a few centimeters per year.

The discovery of this phenomenon was an important bit of evidence that helped confirm the theory of plate tectonics. 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. 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.

Play continental drift and seafloor spreading games in an arcade style format. Search for the seafloor. Seafloor spreading is the movement of magma through a crack in a mid oceanic ridge. Most basalt magmas contain abundant molten iron.

The interactive animation below illustrates this concept. Because it takes a long time for the crust to move the crust at the trenches is about 200 million years old. For example every million years the earth s magnetic poles tend to reverse 4 or 5 times. Bbc earth recommended for you.

In total there are nine games in this learning objective including. Once the basalt cools completely into solid rock the.