Science Year 4 - Plant respond to Stimuli 1

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Science Year 4

4.1 Plant respond to stimuli.

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Do you remember all the
characteristics of living things?

1. Breathe Plants also a
2. Need food and water living things.
In this chapter,
3. Grow we will learn
4. Move how plants
5. Reproduce
move.
Teacher Arfifah Plants move by

growing and
responding
towards stimuli

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Shoots (pucuk) Venus flytrap
respond and grow
Leaves of SOME
towards light. PLANTS respond

Roots respond and to touch.
grow towards
water and Mimosa pudica

gravitational pull.

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Plant respond to water

Not all parts of plant respond to water.
The roots respond to water.

How does the root respond to water?

Carry out a simple activity by referring to the
Science Text Book page 72

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To investigate the relationship of Sekolah Kebangsaan Tropicana
the presence of water and
condition of roots. Plastic plates can be used instead
of petri dish (atau apa-apa bekas

yang rata tapaknya)

5. Lakarkan biji benih itu yang
menunjukkan pertumbuhn
akarnya)

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Penerangan ringkas .

Even though the investigation is carried out in a
container, it is divided into two areas, A and B.

A: wet (there is water) This the difference between A and B.
B: dry ( no water) This is the manipulated variables

We test the same seed at presence of water
both A and B. is the manipulated Variables

This is the constant variables AB

Types of seed
is the constant Variables

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Answer the following questions (buat dalam buku tulis no 1)

1. What is the aim of the investigation?
2. Identify the variables:
i. manipulated variable
ii. responding variable
iii. constant variable

3. Predict the growth of the root. Choose the
correct answer.

AB

AB A B

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Good luck! Continue learn
science at home.
Do not hesitate to

contact me at 012-
6103185 for any further

explanation.

Teacher Arfifah