What do green plants need to make food?

1.

What do green plants need to make food?

2.

Before reading learn new words.
уравнение
equation
корень
root
поглощать
to absorb
отверстие
hole
почва
soil
углевод
carbohydrate
водород
hydrogen
стадия
stage
углекислый
газ
carbon dioxide
добывать,
to obtain
получать
хранить,
запасать
to store
хлорофилл
chlorophyll
реакция
reaction
солнечный
sunlightсвет
химическая
chemical reaction
реакция
фотосинтез
photosynthesis
крошечный
tiny
преобразовывать
to convert

3.

Write down two questions you have about photosynthesis, then read
the text. Can you answer your questions?
Why is photosynthesis
needed?
It provides the plants with food.
How many stages are
there in photosynthesis?
Text 1
Text 2
Text 3
Two.

4.

Read the texts and match the paragraphs (A-G) with the headings
(1-8). Put your answers into the table. There is one extra heading.
Text 1
Text 2
Text 3
A– 3
B–
2
C–
5
D–
1
E-
4

5.

Match the words to their meanings.
absorbs
roots
equation
substance
process
reaction
sucks up
convert
A chemical process in
which
two of
substances
A Aseries
mathematical
actions
Draws
a
liquid
upwards
Part
of aSoaks
plant
that
grows
combine
to
form
another
up
performed
statement
to
to
achieve
explain
an
a
Change
sth
into
sth
else
A solid, liquid or
gas
using
force
intosubstance
the ground
objective
process

6.

Use the words in the box to complete the following.
1. carbon
dioxide/water
2. water/carbon
dioxide
3. light energy
4. chlorophyll

7.

Make notes under the headings in Ex. 3. use them to explain how
photosynthesis works.
Answer