A natural, solid substance that has
a definite chemical composition and
physical structure
mineral
Which effect do high temperature and pressure have on igneous rock?
a. They turn igneous rock into soil.
b. They have no effect.
c. They change igneous rock to sedimentary rock.
d. They change igneous rock to metamorphic rock.
d
type of igneous rock is formed when rock cools on Earth’s surface
extrusive
What is a common use of obsidian?
jewelry, blades in old tools
What is Ms. LeVan's favorite animal?
donkey
melted rock that reaches Earth's surface
lava
A mineral can scratch a steel knife. If a second mineral can scratch the first, how do the two minerals compare?
f.the first mineral is harder than the second
g.the second mineral is harder than the first
h.both minerals have the same hardness
j. both minerals are softer than steel
g
How does clastic sedimentary rock
form?
Pieces of broken rock are buried under sediment which builds up over time. Minerals from water glue layers together and a rock forms.
Sandstone forms when small bits of sediment pile up and are cemented together. What type of rock is sandstone?
sedimentary
Who are the secretaries at our school?
Mrs. Sproch and Mrs. Dressler
topsoil
Which characteristic of soil might be most important to farmers?
a.the kind of rock from which it formed
b.the types of leaves that have decayed in it
c.the amount of water it can retain
d. the temperature at which it will become rock
c
How does chemical sedimentary rock form?
chemicals in water come out and form solids
Granite forms when magma cools slowly. It has large crystals that are easy to see. What type of rock is granite?
igneous
What does FACS stand for?
Family and consumer science
rock formed when magma or lava cools
igneous
Which best explains the glassy look of obsidian?
f. it cooled slowly
g. its crystals are large
h. it cooled very quickly
j. it formed as one large crystal
h
What type of igneous rock is formed when rock cools inside the Earth?
intrusive
Gneiss is formed when temperature and pressure change schist. What kind of rock is gneiss?
metamorphic
What sport did Mr. Black play in college?
basketball
the processes by which rock is formed from other rock make up the ___
rock cycle
Which is a way that layers of sedimentary rock bind together?
a. by melting
b. by pressure
c. by weathering
d. by decay of organic materials
b
What is metamorphism?
The process in which metamorphic rock is formed
What is a common use of slate?
chalkboards, flooring
What color car does Ms. Hoffman drive?
red