Transcript Non-living things

My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
A question to think about…
What makes a
system?
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Non-living things
• A system is made up of
What if one
many parts.
part of the
• Some systems like a bus
system fails?
and a car are man-made
systems.
• There are many smaller
systems in the bus and the
car which have to work
properly to keep the vehicles
moving.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Non-living things
• The slippers shown below are made up of
parts.
• Before the slippers can be worn for
walking, the parts must be put together
properly first.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Living things
• Every living thing, plant or animal,
is a natural system.
• A living thing is made up of many
parts. Each part does a special
job.
• All the parts work together to keep
the living thing alive.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Living things
• Parts of animals
What makes an
animal a
o Animals have special parts
to carry out their
system?
needs.
o Such needs include taking in air, food and
water, and also removing wastes from their
bodies.
o The eyes, mouth, nose and ears are some of
the parts of animals that help them achieve
these needs.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
Living things
• Parts of plants
leaf
A plant is also a system.
o A plant is made up of
parts such as the stem,
roots and leaves.
o
stem
roots
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited