Plate tectonics and rocks: fill in the blanks · Grade 7

The word bank and sentences

Directions: Read each sentence. Choose the best word from the word bank and write it on the line. Some words are not used.

• Word bank: cross out each word as you use it
• limestone · Eurasian · centimeters · sedimentary · mantle igneous · plate · crust ____ continental drift · Ring of Fire
• 1 At the Mid-Atlantic Ridge, plates move apart and new · forms.
• 2 The Himalayas are still rising as the Indian plate pushes into the plate.
• 3 Earth's plates move only a few · each year, about as fast as fingernails grow.
• 4 Matching fossils on continents now separated by oceans support the idea of
• 5 Many volcanoes circle the Pacific Ocean in a zone called the ____.
• 6 Most fossils are found in · rock.
• 7 Granite and basalt are · rocks.
• 8 Marble is a metamorphic rock that forms from ____.