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Science in our world
Science, Grade 2
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Study Guide Science in our world Science, Grade 2
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1
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6
❯
SCIENCE
AND
TECHNOLOGY
IN
OUR
WORLD
What
is
Technology?
Technology
is
using
science
in
order
to
solve
different
problems.
Technology
uses
things
we
know
about
science
to
make
tools
for
people
to
make
doing
work
easier.
Technology
can
be
as
simple
as
a
hammer…
or
as
complex
as
a
spaceship!
Let’s
check
what
we
have
learned
so
far:
What
kind
of
knowledge
does
technology
use?
Uses
of
Technology
Machines
are
a
kind
of
technology.
Machines
make
doing
a
job
take
less
time.
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granted
for
the
purchaser
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educational
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Example:
Farmers
use
machines
to
plow
their
fields
and
to
plant
seeds.
They
even
have
machines
that
pick
some
of
their
crops
for
them
(like
corn).
Tools
are
Technology!
Tools
help
us
do
different
jobs
and
make
the
job
easier
to
do.
Example
of
tools:
A
knife
helps
people
cut
things.
Remember:
only
ADULTS
should
use
knives.
Scissors
help
cut
things,
like
paper,
too.
Inventions
Many
new
tools
and
machines
are
invented
every
year.
Invent
means
to
make
something
for
the
first
time.
Let’s
check
what
we
have
learned
so
far:
What
does
invent
mean?
A
computer
is
an
example
of
technology
that
people
did
not
have
many
years
ago.
A
computer
stores,
sorts,
and
organizes
information
and
can
do
MANY
other
things
too!
You
may
use
the
Internet
on
the
computer.
The
Internet
is
a
form
of
technology
too.
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
Tools
and
technology
are
used
to
help
people
talk
to
one
another
when
they
are
not
near
each
other.
When
you
want
to
call
someone
who
you
are
not
close
to
–
you
call
them
on
the
telephone!
You
can
thank
technology
for
your
house
too!
Your
house
is
made
up
of
walls
and
a
roof
that
were
made
with
technology.
You
also
have
special
pipes
that
bring
cold
and
hot
water
in
and
out
of
your
house…that
is
all
thanks
to
technology!
Technology
Changes
Over
Time
Technology
changes
many
things
in
our
world!
We
do
not
live
the
way
people
lived
10
years
ago
because
of
all
the
new
improvements
in
technology.
What
is
different
now?
How
we
get
from
one
place
to
another
is
different!
This
is
called
transportation.
People
used
to
ride
horses
to
get
from
place
to
place.
Today
we
drive
cars
everywhere!
What
we
drive
ON
is
different
too
–
thanks
to
the
changes
in
technology!
Now
we
have
highways
–
which
did
not
exist
100
years
ago.
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
There
were
trains
100
years
ago,
but
they
were
not
as
fast
as
the
trains
we
have
today!
Do
you
like
to
watch
TV?
Television
is
a
product
of
technology
too!
Television
has
improved
because
of
new
inventions
in
technology.
For
example,
the
picture
on
TVs
used
to
be
in
black
and
white,
but
now
the
picture
is
in
color
and
the
picture
is
SUPER
clear!
You
have
seen
the
television
technology
change
in
your
life
already.
Electricity
is
used
to
power
many
types
of
technology,
including
machines
and
tools
such
as
our
refrigerators
and
hair
dryers.
You
know
that
a
long
time
ago,
people
used
fire
to
create
heat
for
cooking.
Technology
has
improved
over
time
so
that
we
now
use
gas,
oil,
or
electricity
to
cook
our
food
in
ovens
and
on
stoves!
We
are
able
to
know
what
the
weather
will
most
likely
be
tomorrow
because
of
technology
too!
Meteorologists
are
people
who
study
the
weather.
They
use
tools
and
technology
like
radar
to
help
them
figure
out
what
the
weather
will
be
like
for
the
next
few
days.
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
Let’s
check
what
we
have
learned
so
far:
Name
a
technology
you
have
seen
change
over
the
years.
Why
is
Technology
Important?
Technology
is
very
important
for
many
reasons.
Here
are
just
THREE
reasons:
Technology
keeps
us
safe.
(in
our
houses,
our
cars)
Technology
supplies
us
with
the
things
we
need
to
live,
such
as:
•
water,
through
filtration
systems
and
plumbing
•
food
because
of
farm
technology
and
trucks
and
trains
that
bring
the
food
to
us.
Technology
helps
us
communicate
with
one
another
by
telephones
and
computers.
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
Let’s
check
what
we
have
learned
so
far:
What
is
one
reason
technology
is
important
to
us?
© Copyright NewPath Learning. All Rights Reserved.
Permission
is
granted
for
the
purchaser
to
print
copies
for
non-commercial
educational
purposes
only.
Visit
us
at
www.NewPathLearning.com.
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