What is meant by the word “Igneous”?
What type of rock is Mt Rushmore carved into?
Name two igneous rocks formed below the earth’s surface
What is the main difference between magma and lava?
What igneous rock floats on water? (You may have to look this one up)
Which Igneous rock is called volcanic glass?
What is obsidian used for today? (2 different uses)
List 4 extrusive igneous rocks. These rocks will be found near what geologic structures?
Looking at igneous rocks- what could you observe that would help you know if it is an extrusive or an intrusive igneous rock?
What igneous rock is the most abundant and why – what makes it so abundant (think about this before you answer- extra credit given for a good thoughtful answer- copying something off of google won’t count- I want your own words)