Unit 3

Types of Living Things: Plants

Plants:

Thousands of plants live on Earth. Plants grow in different places. Some plants grow in wet shady places, like ferns. Some plants grow in hot, dry places, like cacti. Most plants grow in sunlight, like sunflowers.


Most plants are green. Green plants can make their own food.

They need air and water to make food. They also need a green substance called chlorophyll. Without chlorophyll, they cannot make food.

Green plants have chlorophyll in their leaves. The leaves of a plant make food.

Watering a green seedling in fertile soil
💧 Green leaves make food using water, air, and sunlight. Science in Action
🌱 Classroom Experiment: What Plants Need Click items to help the sprout grow!
The sprout is waiting for sunlight, water, and air!
Kinds of plants:

There are many different kinds of plants.

Plants without seeds:

Some plants have roots, stems and leaves, but they do not have flowers. They do not make fruits or seeds.

📝 Classroom Quiz: Test Your Knowledge (Page 19)
Score: 0 / 7 ⭐

Read each question and choose the correct answer:

1 Which plant grows in wet, shady places?
2 Where do cacti grow?
3 Most plants, like sunflowers, grow in:
4 What can green plants make on their own?
5 What is the green substance in plant leaves called?
6 Which part of a plant makes food?
7 Plants without seeds have roots, stems, and leaves, but they do NOT have:
Unit 3

Types of Living Things: Plants

They have small brown spots on their leaves. Each spot has a brown powder. The brown powder is made of tiny spores. The spores fall out. Some spores fall on wet soil. They grow and make new plants. Ferns and mosses are plants that make spores.

Plants that grow from seeds:

Plants that grow from seeds are called seed-bearing plants.

Seeds are made inside flowers.

Examples include the poppy, rose, and sweet pea.

1. Red Rose, 2. Poppies, 3. Fern with spores on underside
🌹 1. Red Rose (seeds)  |  🌺 2. Poppies (seeds)  |  🌿 3. Ferns (spores)
Structure of a flower:

A flower has four parts.

  • • Sepals are small green leaves that cover the bud.
  • • Petals are the coloured leaves of a flower.
  • • The stamen makes a yellow powder called pollen.
  • • The carpel has eggs or ovules which grow into seeds.
  • • The lower part of the carpel is called the ovary.
  • • The ovary has ovules in it.
Blooming lily flower anatomy: Petals, Stamen, Carpel, Ovary, Sepal
📍 Sticky Tip of Carpel
📍 Stamen (Pollen)
📍 Petals (Coloured)
📍 Ovary (Ovules Inside)
📍 Sepals (Green)
🌸 Real Botanical Photo of a Lily Flower (Click any part or card below to explore!)
🌿 Sepals Outer Part
Small green leaves that cover and protect the flower bud.
🌸 Petals Coloured Leaves
Bright coloured leaves of a flower that attract friendly bees!
✨ Stamen Makes Pollen
Makes yellow powder called pollen.
🌱 Carpel & Ovary Makes Seeds
Has a sticky tip and ovary at the bottom. Ovules become seeds!
Unit 3

Types of Living Things: Plants

How a flower makes seeds:

When a bee sits on a flower, the yellow powder or pollen sticks to its body.

When the bee flies to another flower, the pollen from its body sticks to the sticky tip of the carpel.

A pollen tube grows from the pollen. It goes into an ovule in the ovary.

The ovule grows into a seed.

The lower part, or ovary, of the carpel grows to make the fruit.

Honeybee with yellow pollen grains sticking to its body on yellow flower
🐝 When a bee visits a flower, yellow pollen sticks to its fuzzy body!
🐝 Classroom Story: Follow the Busy Bee!
🐝 Step 1: Bee sits on the flower. Yellow pollen sticks to its fuzzy body!
Step 1 of 5 (Click "Next Step" to see what happens next!)
Kinds of fruit:

Some fruits are soft and juicy, like oranges, apples, and peaches.

Soft and juicy fruits: sliced peach, sliced apple showing seeds, pear, and oranges
🍑 Sliced Peach  |  🍎 Apples  |  🍐 Pear  |  🍊 Fresh Oranges Soft & Juicy
Unit 3

Types of Living Things: Plants

Some fruits are dry and hard, like coconuts, groundnuts, walnuts, and bean pods.

Dry and hard fruits: Walnuts in shell, cracked walnut, cracked coconut with water, and green bean pod
🌰 Walnuts  |  🥥 Cracked Coconut  |  🫛 Bean Pod Dry & Hard
Unit 3

Types of Living Things: Plants

Some trees do not have flowers or fruits, but they do have seeds. Such trees have cones.

They have two kinds of cones. There are pollen cones that have pollen, and there are seed cones that make seeds.

Wind takes the pollen from the pollen cone to the seed cone. The pollen reaches the ovules of the seed cone. The ovules grow into seeds.

When the seeds are ripe, the seed cone opens up and the seeds fall out.

These seeds will grow into new trees of the same kind. Pine trees, for example, make cones.

Healthy evergreen pine tree and cluster of pine cones with needles
🌲 Pine Tree  |  🪵 Pine Cones with Needles Coniferous Trees
Activities
1. Answer the following questions.
(a) Where do plants grow?
Show Answer ✏️
Plants grow in different places, such as wet shady places, hot dry places, and in sunlight.
✍️ Ready for students to copy into textbook
(b) What do plants need to make their food?
Show Answer ✏️
They need air, water, and chlorophyll (and sunlight).
✍️ Ready for students to copy into textbook
(c) How do plants without seeds make new plants?
Show Answer ✏️
They make new plants from tiny spores (brown powder) on their leaves that fall on wet soil.
✍️ Ready for students to copy into textbook
(d) Where are seeds made in seed-bearing plants?
Show Answer ✏️
Seeds are made inside flowers.
✍️ Ready for students to copy into textbook
(e) What are the two kinds of cones made by a pine tree?
Show Answer ✏️
Pollen cones and seed cones.
✍️ Ready for students to copy into textbook
Unit 3

Types of Living Things: Plants

2. Fill in the blanks.
(a) When a ................... bee sits on a flower, the yellow powder called ................... pollen sticks to its body. When it flies to another flower, the pollen sticks to the sticky tip of the ................... carpel .
(b) A ................... pollen tube grows from the pollen. It goes into an ................... ovule in the ovary. The ovule grows into a ................... seed . The ovary grows and makes the ................... fruit .
3 Draw a pine cone.
Colors:
Student model drawing of a pine cone with needles
⭐ Model Drawing: Pine cone with scales (Copy this into textbook)
4 Draw two soft and fleshy fruits.
Colors:
Student model drawing of Apple and Orange
⭐ Model Drawing: 1. Apple    2. Orange (Soft and Fleshy Fruits)