Page 13 - 新思维科学学生用书5 样章

1 Life cycles of flowering plants

Activity 1

Your favourite flowers

Work in a group.

• Look at some pictures of flowers. Which flowers do you like best? Say why you
like these flowers.

• Make a collage or draw pictures of your favourite flowers.
• Show your collage to another group. Tell them why you like each of the flowers

on your collage.

Plant life cycles

All flowers have the same important function. Can you think what it is?

When a plant produces
flowers, the flowers usually

last only a few days. Then The seed germinates

they die and fall off the
plant. However, part of the

flower stays behind on the The fruit The plant
grows
releases seeds
plant. This part becomes
the fruit. The seeds form

inside the fruit. The seeds The flower The plant
grow into new plants. produces fruit flowers

The new plants grow and

produce flowers to form
new fruits and seeds.

So flowers help the plant reproduce to form new plants.
All the changes in a flowering plant, from flowers to seeds growing into new plants,

are called the plant’s life cycle. A cycle is something that happens over and over again.

There are different stages in the life cycle of a flowering plant.

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