Rocks
How many rock formations are there?
What is 3
What does the word igneous mean in Latin?
What is fire.
What is a sedimentary rock?
What is formed by broken down old rocks, whose loose grains of sediment are compacted or cemented together, forming a new rock.
What is a metamorphic rock?
What is a rock that has been changed from one form to another, typically by heat or pressure.
What can break down rocks and minerals?
What is water, ice, acids, salts, plants, animals, and changes in temperature.
How are igneous rocks formed?
What is igneous rocks are formed when lava or magma cools, hardens, and forms new rocks.
What are examples of sedimentary rocks?
What are conglomerate, limestone, sandstone, shale, breccia, etc.
What are examples of metamorphic rocks?
What is gneiss, schist, slate, quartzite, marble, etc.
What is the process of breaking down rocks called?
What is erosion.
What are examples of igneous rocks?
What are obsidian, granite, scoria, basalt, ect.
True or False: Sedimentary rocks are easy to break?
What is yes.
True or False: Metamorphic rocks are the the oldest rocks on Earth.
What is true. (They are nearly 4.0 billion years old. They are called Acasta gneisses and are found in Canada.)
What is the most common rock on Earth?
What is sedimentary rock. (It covers about 75% of the earth surface)
What is the most common igneous rock?
What is basalt or granite.
What is the most common sedimentary rock?
What is shale, sandstone, or limestone.
What is the most commonly used metamorphic rock?
What is quartzite and marble.
What is the name of the world's biggest rock?
What is Mount Augustus. (It is located in Western Australia)
What is the hardest mineral found in an igneous rock?
What is the diamond. (It is found in kimberlite)
Which sedimentary rock has the most fossils?
What is limestone. (Most limestones consist of the shells of organisms)
Which sedimentary rock changes into the metamorphic rock called quartzite?
What is sandstone.