Plate Tectonics Test

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Who was the scientist who hypothesized continental drift?

• Wegener
• Columbus
• Hess
• Einstein

The different layers formed on Earth are due to the differences in _____________ of the materials.

• the mass
• the volume
• the climate
• the density

Plates move apart at ______________ boundaries.

• divergent
• convergent
• transform
• slide

The presence of the same _______________ on several continents supports the hypothesis of continental drift. Check all that apply.

• fossils
• rocks
• teachers
• none of the choices

At an oceanic-oceanic convergent plate boundary,

• new crust is created
• old crust is recycled by subduction
• old crust is deformed or fractured
• plates slide past one another

The hypothesis that continents have slowly moved to their current locations is called __________________.

• continental drift
• continental slope
• magnetic reversal
• convection

The youngest part of the ocean floor is found

• along deep sea trenches
• where ocean sediments are thickest
• near ocean ridges
• where Earth's magnetic field changes polarity

The East African Rift is an example of a

• mid-ocean ridge
• continental rift
• convergent boundary
• transform boundary