Igneous
True or False- The word "igneous" comes from the latin word "ignis," meaning fre.
That would be true!
True or False- Sedimentary rocks can be made up of little bits of other rocks/minerals!
True!
True or False- Metamorphic rocks are really old!
True!
What is magma?
Molten rocks that haven't been exposed to air yet.
What are some names for space rocks?
Meteor, meteorite, asteroid, etc.
True or False- Igneous rocks are the most common in the crust.
True!!
True or False- Sedimentary rocks are the most common in the mantle.
False! Its igneous!
True or False- Metamorphic rocks are the most common rocks on the planet.
False! It's sedimentary!
How does magma become igneous rock?
When it cools!
What is the study of rocks called?
Geology!
Name an igneous rock!
Some common (intrusive) igneous rocks are granite, diorite, gabbro and peridotite.
Name a sedimentary rock!
Some common sedimentary rocks are siltstone, sandstone, conglomerate, limestone, and shale
Name a metamorphic rock!
Types of metamorphic rocks include gneiss, quartzite, marble, schist, soapstone, and phyllite.
How do sediments become sedimentary rock?
When they are squeezed and clumped together!
True or False- The biggest ever pearl (which is actually not a rock) is 174 pounds.
False, it's a measly 61.
How are Igneous rocks formed? No charts!
By the cooling and solidification of lava/magma.
How are sedimentary rocks formed? Charts not allowed!
When pre-existing rocks, organic matter, or minerals group together and are squished and cemented together.
How are metamorphic rocks formed? Charts, you cannot use!
When a rock undergoes extreme heat and pressure.
How does igneous/metamorphic rock become sediment?
When it erodes over time!!
How old is a diamond? (Usually)
A few billon, unless it's synthetic.
Name 3 key features of igneous rocks. No using your chart! I am not giving out 500 pts for nothing!
Crystal(y) or glassy texture, almost never has fossils, absence of layering or sedimentary features. (These are just a few answers, other valid ones are ok, too.)
Name 3 key features of sedimentary rocks. Chart is not allowed! This is why this is 500 pts btw.
Strata, fossils (sometimes), and bits of other stuff. (These are just a few answers, other valid ones are ok, too.)
Name 3 key features of metamorphic rocks. (No sheet to help! Not so cocky now, are we?) >:)
Folliation, order, and weird textures. (These are just a few answers, other valid ones are ok, too.)
How does igneous rock become metamorphic?
When it undergoes extreme heat and pressure, of course!
What is the most expensive diamond ever sold at auction? (As of March 2025)
The pink star diamond for about $71,000,000!!