| Hint | Answer | % Correct |
|---|---|---|
| Sandstone | Sedimentary | 83%
|
| Chalk | Sedimentary | 76%
|
| Basalt | Igneous | 69%
|
| Conglomerate | Sedimentary | 63%
|
| Metaquartzite | Metamorphic | 61%
|
| Shale | Sedimentary | 61%
|
| Marble | Metamorphic | 59%
|
| Granite | Igneous | 58%
|
| Schist | Metamorphic | 50%
|
| Rhyolite | Igneous | 48%
|
| Andesite | Igneous | 47%
|
| Gneiss | Metamorphic | 47%
|
| Gabbro | Igneous | 42%
|
| Breccia | Sedimentary | 40%
|
| Slate | Metamorphic | 38%
|