Igneous Rocks

Igneous rock is the most common material in the Earth's...

• Atmosphere
• Land
• Crust
• Existence

What are igneous rocks formed from?

• Sand, Mud, and Pressure
• Magma
• Crystals
• Heat

What is an extrusive igneous rock?

• Forms from water and magma
• Forms on the surface from volcano lava
• Forms in layers under the sea

What does it mean to identify a rock based on composition and texture?

• We see what it looks like
• We see what it smells like
• We see what it feels like and is made up of
• We see how it sounds

Basic Rocks are...

• Light in weight and color
• Dark and Heavy

What is the most abundant type of igneous rock?

• Feldspar
• Quartz
• Granite
• Mica

Which rock matches the characteristics of obsidian? 

• An intrusive rock made of iron
• An extrusive rock with gas bubbles
• A lava rock that will float on water
• An extrusive rock that looks like black glass

Which description matches the characteristics of Basaltic Lava?

• Light and pourous
• A rock with gas bubbles and flow patterns
• A crystal like rock
• A rock with various colors