Test your knowledge of geology by clicking on the question on the left to reveal the answer on the right.
| How can sedimentary rock become an igneous rock? | Sedimentary rocks gradually move into the molten layer in the Earth's mantle and become magma. |
| How are sedimentary rocks formed? | Particles of rock in water settle in lakes and oceans and become cemented together into rock. |
| How are metamorphic rocks formed? | When sedimentary or igneous rocks are reheated by contact with magma, they are changed into new rock forms. |
| All rocks began as what kind of rock? | Igneous. (The Earth began as a molten mass. As rocks became solid, they eroded into particles which became sediment. Or, iegneous rocks were reheated and became metamorphic rocks). |
| What does a geologist do? | Geologists study what rocks are made of, what caused existing rock formations and find valuable minerals. |
| Name a rock that has taste. | Salt. |
| Name a rock that has a 6 sided crystal. | Quartz. |
