How many types of rocks are there? Name them.
What rock is formed when it is cooled and solidified?
What type of rock is made from crystals of different sizes?
Do extrusive rocks have large or small crystals?
Do intrusive rocks have large or small crystals?
What are the conditions needed for metamorphic rocks?
Marble is a metamorphic rock formed from ......................?
What rocks tend to be crumbly and sometimes contain fossils?
How are rocks affected?
What are fossils?
Sandstone and limestone are examples of what rock?
Which type of rock is the hardest?
Over what sort of time period does sedimentary rocks form?
Give two examples of igneous rocks.
Which sort of igneous rocks may contain fossil fuels?