Rocks
What type of rocks contain fossils?
sedimentary
Minerals that form on earth's surface occur because
solutions evaporate
Work ois measured in
joules
What body parts have fulcrums
Elbow
What is the outermost layer of Earth
crust
What type of rock forms from magma cooling?
igneous rock
What is the softest mineral
talc
Work equals force times
distance
A ramp is an
inclined plane
How are rocks and minerals related?
Rocks are made of minerals
Breaking apart of rock is called
weathering
Minerals that do not split apart evenly have
fracture
ideal efficiency would be
100%
Two or more simple machines create a
compound machine
Earth's mantle is
a layer of hot rock
What type of rock is foliated and nonfoliated?
Metamporphic
What word is used to describe how light is reflected
luster
Power is measured in
Watts
What causes machines to not work with 100% efficiency?
friction
Convection currents flow in what part of Earth?
mantle
The never ending cycle in which rocks undergo change is called the
rock cycle
It doesn't contain living things
Holding a 15 pound bag over your head for 15 minutes. How much work did you do?
What kind of lever has the fulcrum in the center?
first class
What is the name of the super continent?
Pangea