Podcast
Questions and Answers
the divisions of the year into spring, summer, autumn and winter
the divisions of the year into spring, summer, autumn and winter
seasons
an imaginary line around the Earth
an imaginary line around the Earth
equator
half of the Earth, divided by the Equator
half of the Earth, divided by the Equator
hemisphere
incoming solar radiation (heat and light)
incoming solar radiation (heat and light)
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two dates,
22 December
and 21 June,
when the Sun
reaches its
highest point in
the sky directly
overhead one
of the tropics,
giving all places
on Earth their
longest or
shortest day or
night of the year
depending on '
whether they are
in the northern
or southern
hemisphere
two dates, 22 December and 21 June, when the Sun reaches its highest point in the sky directly overhead one of the tropics, giving all places on Earth their longest or shortest day or night of the year depending on ' whether they are in the northern or southern hemisphere
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two
dates, 21
March and 22
September,
when the Sun's
t oys fall directly
on the equator.
All places on the
earth experience
equal night and
day - 12 hours
each
two dates, 21 March and 22 September, when the Sun's t oys fall directly on the equator. All places on the earth experience equal night and day - 12 hours each
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a
measurement of
how for away a
place is from the
equator
a measurement of how for away a place is from the equator
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spread out or
scattered
spread out or scattered
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halfway between
the equator: and
the Poles
halfway between the equator: and the Poles
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a
process whereby
plants use the
Sun's energy,
carbon dioxide
from the air
and water
from the soil to
produce energycontaining
food
a process whereby plants use the Sun's energy, carbon dioxide from the air and water from the soil to produce energycontaining food
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a network of
interactions
among and
bet ween
organisms
in their environment
a network of interactions among and bet ween organisms in their environment
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dead plants
and animals ore
decomposed by
organisms called
decomposers
dead plants and animals ore decomposed by organisms called decomposers
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a
natural source of
limited supply
a natural source of limited supply
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an object in space
that orbits a
bigger object
an object in space that orbits a bigger object
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a
person who
travels in space
a person who travels in space
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to circle;
the curved course
followed by a
heavenly body
to circle; the curved course followed by a heavenly body
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the large high
tides, with
lower low tides
in beween, are
produced twice
each month
when the Sun
and Moon are in
line so that their
gravitational pull
is combined
the large high tides, with lower low tides in beween, are produced twice each month when the Sun and Moon are in line so that their gravitational pull is combined
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the small-range
tides that occur
when the Sun's
gravitational pull
and the Moon's
gravitational
· pull are not
reinforcing each
other
the small-range tides that occur when the Sun's gravitational pull and the Moon's gravitational · pull are not reinforcing each other
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satellites
designed by
. space scientists
and engineers for
travel in space
satellites designed by . space scientists and engineers for travel in space
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when an
object, which is
moving around
a central point,
appears to be
moved away
from the centre
by another force
when an object, which is moving around a central point, appears to be moved away from the centre by another force
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the
point at which
two objects,
which started
with different
temperatures,
.reach an equal
temperature
the point at which two objects, which started with different temperatures, .reach an equal temperature
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the
transfer of heat
energy between
solid objects
that are in direct
physical contact
with each other
the transfer of heat energy between solid objects that are in direct physical contact with each other
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a material
that does not
conduct heat
well
a material that does not conduct heat well
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the
transfer of heat
energy through
the mov81Tlent
of particles
in liquids and
gases
the transfer of heat energy through the mov81Tlent of particles in liquids and gases
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a flow .
of particles from
one place to
another
a flow . of particles from one place to another
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when a gas
changes to a
liquid as it cools
when a gas changes to a liquid as it cools
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the transfer of heat energy by waves, without contact or movement of particles
the transfer of heat energy by waves, without contact or movement of particles
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heat energy
that can be
transferred by
radiation
heat energy that can be transferred by radiation
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a
process that
does not need
energy to make
it happen
a process that does not need energy to make it happen
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using energy
using energy
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a method
of passive heat
· exchange based
on natural
convection
currents
a method of passive heat · exchange based on natural convection currents
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a
space in where
there are no
particles
a space in where there are no particles
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a material that
absorbs heat from
a heat source, and
then releases it
slowly
a material that absorbs heat from a heat source, and then releases it slowly
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a machine that
has blades, which are
turned by a force like high
· pressure steam
a machine that has blades, which are turned by a force like high · pressure steam
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gases
like carbon
dioxide, methane
and water
vapour that
trap heat in the
atmosphere
and reflect it
back causing
an increase In
temperatures on
the Earth
gases like carbon dioxide, methane and water vapour that trap heat in the atmosphere and reflect it back causing an increase In temperatures on the Earth
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a type
of sedimentary
rock in which oil
and natural gas
can often be
. found
a type of sedimentary rock in which oil and natural gas can often be . found
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a process used to remove oil and natural gas from
layers of rock by pumping water under pressure into it and then blasting the rock
blasting the
a process used to remove oil and natural gas from layers of rock by pumping water under pressure into it and then blasting the rock blasting the
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the splitting of
the nucleus of an
atom
the splitting of the nucleus of an atom
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electricity that
is made using
moving water to
turn turbines
electricity that is made using moving water to turn turbines
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specialised
panels that
are adapted to
absorb sunlight
and convert it
into electricity
specialised panels that are adapted to absorb sunlight and convert it into electricity
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fuels that come from an organic source such as algae
fuels that come from an organic source such as algae
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energy
that is stored in
a system
energy that is stored in a system
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energy which
causes a
change or
movement
energy which causes a change or movement
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the
standard unit Of
measurement Of
energy
the standard unit Of measurement Of energy
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organisms like
plants that are
able to convert
energy from
the Sun into
chemical energy
organisms like plants that are able to convert energy from the Sun into chemical energy
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animals that eat
plants and other
animals
animals that eat plants and other animals
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a
law that states that energy in a system is never lost but simply converted to a different form
a law that states that energy in a system is never lost but simply converted to a different form
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a network of .
different sources
of energy that
interact with one
another
a network of . different sources of energy that interact with one another
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the
passing of
energy from one
part of a system
to another
the passing of energy from one part of a system to another
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when energy
changes from
one form
to another,
for example
. . potential energy
· to kinetic energy
or vice versa
when energy changes from one form to another, for example . . potential energy · to kinetic energy or vice versa
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