| A | B |
| geologists | scientists who study rocks and the Earth |
| igneous rock | formed from magma beneath Earth's surface |
| sedimentary rock | rocks made from sediments |
| metamorphic rock | rock that has been changed into another type of rock from heat and pressure |
| weathering | breakdown of rock into small bits and pieces |
| erosion | carries small bits and pieces of rock by wind and water |
| minerals | building blocks of all rocks |
| magma | molten form of rock |
| lithosphere | made of both continental and oceanic crust |
| core | center of earth |
 | metamorphic rock sample |
 | igneous rock sample |
 | sedimentary rock sample |