from the soil
glucose
producers
water
Photosynthesis
Use these words to fill in the gaps.
oxygen
sunlight
nutrients
carbon dioxide
animals
growth
minerals
+ water
Sun light
1.
2.
3.
4.
5.
Photosynthesis needs:
Photosynthesis is essential for.
Green plants are
survive without
1.
2.
Clucase
food for the plant
ни
Photosynthesis
Complete the description of photosynthesis and the factors that affect it. Use the words in
the box to help you. Some words may be used more than once.
Key Words
sugar
carbon dioxide
chlorophyll
plants
leaves
rate
chloroplasts
light
reactants
energy
oxygen
roots
glucose
photosynthesis
temperature
increase
producers
water
Plants are known as
glucose
+ oxygen
mainly takes place in the
because they are able to make their own food using
from the Sun. They do this via a process called.
of a plant.
This process
Photosynthesis produces:
The reaction can be summarised in the word equation below:
+water
+ oxygen
The reaction takes place in the
pigment called chlorophyll, which absorbs.
to convert carbon dioxide and
and takes place in
of plant cells. These structures contain a green
into glucose and
The energy transferred is used
If there is
not enough light available, the plant cannot carry out photosynthesis. Increasing the light
intensity will
the rate of photosynthesis until another factor becomes limiting.
This means that they can
They need simple things like,
Water and carbon dioxide are the
for
photosynthesis. Water is absorbed from the soil by
-dioxide and water. Plants can make complete things like
the
of the plant and carried up through
, starch, fat and proteins. When plants are in
the stem to the
sunlight they can make a sugar called
The
Chlorophyll
gets trapped in a chemical called
is what makes the plant
green. When plants use carbon dioxide and water to make glucose
there is a lot of.
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BEYOND SCIENCE
Carbon dioxide diffuses
into the plant from the air through the stomata in
the
the
If carbon dioxide is in short supply.
of photosynthesis will be low.
The rate of photosynthesis can also be affected by
If it is too hot or too cold,
will happen more slowly. Moving plants to a warm
greenhouse with a high concentration of.
help to increase the rate of photosynthesis.
can