describe crust
hard thin top layer of earth where we live
give an example of gravity
pushing us onto earth
describe heat
the transfer of thermal energy between objects
Biotic factors are _______________ in an ecosystem
living
when was the first professional hockey game played
march 3rd 1875
which layer of the earth is liquid
the outer core
what is a frame structure
something made of connected parts
describe temperature
the measure of how hot or cold something is
a food chain shows how _______________ moves between organisms.
energy
how many hockey teams are in the NHL
32
what is an Igneous rock
a rock that is formed when megma cools
name two forces acting on a building and explain.
tension on the cables on a bridge
gravity because the gravitational pull acts on everything
what is radiation
heat transfer through empty space
Give an example of mutualism
bee & flower
how many NFL stadiums are there
30
what is a divergent boundary
when plates move apart
describe shell structure
strength comes from shape
what is convection
heat transfer through moving gases and liquids
describe parasitism and give an example
one benefits other is harmed, flees on a dog
true or false: volley ball was created in 1950
false
what is the inner core
solid iron and nickel center of earth very hot very high pressure
describe solid structure
solid mass with no empty spaces
what is conduction
heat transfer through direct contact
list two limiting factors that could limit gopher population.
farmers poisoning or killing them, snakes, hawks, owls, coyotes, foxes, weasels, badgers, bobcats,
is ping pong an olympic sport?
yes