Unit 5 Review
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burning of a material
push of burning gases that propels some airplanes.
kind of power produced when water turns a generator
fact that energy cannot be created or destroyed
law of conservation of energy
upward push of water on a floating object
ability to make something move or change
energy in motion
energy from the sun
fact that energy moves from a higher level to a lower level.
law of thermodynamics
push that makes any vehicle move
causes combustion in a gasoline engine
has plates that can be separated or pressed together
causes lift by reducing air pressure above it
harnesses the energy in moving air to drive a generator
has a low gear, a high gear, and reverse
used to slow or stop a car
raised structure where navigators steer a ship
harnesses the energy in moving water to drive a generator
increases the energy in a quantity of water by raising its height
end of a ship where the propeller is found
lets the fuel- air mixture into the cylinder
raises or lowers a wing to tilt the plane
blade for steering a ship or airplane
front end of a ship
uses sunlight to produce electricity
used to make an airplane fly higher or lower
changes the up-and-down motion of a piston to rotary motion
mixes fuel and air
controls the speed of a gasoline engine
allows one drive wheel to turn faster than the other
round part that slides up and down inside a cylinder
blocks the airflow to increase the fuel added to the air
water behind a dam and a gallon of gasoline are an example of ______ energy
wind is not an ideal source of energy because it is not as c_____ as energy from moving water
both wind and moving water are c______ sources of energy , since they can be harnessed without polluting the environment.
foil oil is a c_____ source of energy, because it can be stored in tanks and run through pipes where it is needed.
electricity is very useful because it is easily c____ into other forms of energy.
the law of thermodynamics is strong scientific proof that _____ brought the world into existence.
Water wheels with buckets use the ______ of water to harness its energy to run machinery.
the one who made all energy is _____
after the exhaust of a four-stroke engine comes the _____-stroke
intake-stroke (or first stroke)
the spark comes at the beginning of the _____ stroke.
power (or third stroke)
the exhaust valve is open during the _____ stroke
exhaust (or fourth stroke)
if a gasoline engine has fuel and air but will not run, the missing thing may be the _____
an airplane will slide sideways if the pilot uses the rudder without also using the ______
the propulsion for most big airplanes comes from ____ engines
which of the following is a true statement about energy?
d. energy moves in only one direction along a chain
the main reason not more wind energy is harnessed today is because
a. the wind does not blow enough at many places
solar cells are often used with storage batteries because
c. there are times when the solar cells cannot produce electricity
steam engines and gasoline engines are alike because:
they both use a combustion of fuel to make heat
steam engines and gasoline engines are different becuase
the one burns the fuel outside the engine
the law of conservation of energy and the law of thermodynamics agree with all the following things except:
the theory of evolution
there are several reasons that God should receive credit for the gasoline engine. Which if the following is not one of those reasons?
he made gas to be explosive
the differential of an automobile is needed when:
it is going around a corner
buoyant force provides which of the following in transportation by water?
an airplane is supported in the air by mainly:
the difference of pressure above and below the wings
the Christian should be thankful for modern transportation to:
carry the Gospel to places near and far
Unit 5 Review