Introduction to Plant Parts

Parts of a Plant

by Shevonne Flores

​In this lesson, you'll learn about the different parts of a plant, like stems and leaves.

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​You'll find out how these parts help plants live and grow.

​Vocabulary Words

• stem​

• ​leaf

• ​seed

• ​roots

• ​flower

• ​fruit

​Stem

​The part of a plant that holds up the plant.

​Leaf

​The part of a plant that makes food for the plant.

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​A leaf uses light, air, and water to make food.

​Seed

​The part of a plant that new plants grow from.

​Roots

​The part of a plant that holds the plant in place.

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​The roots take in water.

​Flower

​The plant part that makes seeds.

Fruit

​The part of the plant that holds seeds.

​Plants have many parts.

​​Look at the parts of this plant grow!

​It all starts with a seed!

A new plant may grow from a seed.

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​A seed has a covering, called a seed coat, to protect it.

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​Inside the seed is a tiny plant.

​It all starts with a seed!

When the tiny plant is ready to grow, the seed coat opens.

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​Then, it falls off.

​It all starts with a seed!

The seed splits and the tiny plant comes out.

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​The seed has food to feed the plant while it is very young.

​It all starts with a seed!

Soon, the food inside the seed runs out.

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​Then the plant needs soil to grow in.

​It all starts with a seed!

​It needs water, too.

​The tiny plant is called a sprout.

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​It has a stem and very small leaves.

​It all starts with a seed!

With enough soil and water, the sprout begins to grow outside the seed.

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​First, it grows roots.

​It all starts with a seed!

​Then, the stem and leaves grow larger.

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​Now the plant is called a seedling.

​Roots

​​Every part of a plant has a job to do.

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​Roots have more than one job.

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​They hold the plant in place in the soil.

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​That way, the plant doesn't fall over or get pushed over by the wind.

​Roots

Roots also take in water and nutrients from the soil.

​All plants need water and nutrients to live.

Multiple Choice

How do roots help a plant?

• Roots hold a plant's seeds.

• Roots hold a plant in place.

• Roots make food for a plant.

Multiple Choice

Which number points to the roots?

• 1

• 2

• 3

​Stems big and small

​Stems have more than one job, too.

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​Stems hold the plant up.

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​Stems move water and nutrients to all parts of the plant.

Multiple Choice

Which of these plant parts is a kind of stem?

Multiple Choice

What does a plant's stem do?

• holds the seeds

• holds up the plant

• makes food for the plant

Multiple Choice

How does water get from the roots to other parts of the plant?

​What do leaves do?

Leaves have a very important job.

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​Leaves make food for the plant.

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​How do they do that?

​What do leaves do?

Leaves take in air.

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​Air is made of different gases.

​What do leaves do?

Leaves combine the air with water and nutrients.

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​Then, leaves use the energy from sunlight.

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​That is how plants make food.

​What do leaves do?

When leaves make food, they also give off oxygen.

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​Oxygen is one of the gases in the air.

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​Animals breathe in oxygen.

​What do leaves do?

Some plants have leaves that stay on all year long.

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​Other plants have leaves that fall off in autumn.

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​These plants must grow new leaves every year.

Multiple Choice

The plant part that makes food is the ______.

​Flowers and Fruits

​Flowers can look very pretty. And they can smell nice.

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​But flowers also have a job to do.

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​A flower is the plant part that makes seeds.

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​Many flowers grow into fruits.

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​A fruit holds seeds.

​Flowers and Fruits

Oranges are one kind of fruit.

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​Oranges have a tough peel on the outside.

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​What's inside an orange? Seeds!

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​New orange trees grow from orange seeds.

​Flowers and Fruits

Apples are another kind of fruit.

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​They also have seeds inside.

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​New apple trees grow from apple seeds.

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​Flowers and Fruits

Each type of flower makes a different kind of fruit.

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​These fruits are blackberries.

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​The fruit grows around the seed of the plant and protects it.

​Flowers and Fruits

Tomatoes are another kind of fruit.

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​You can see the seeds inside a tomato when you open it up.

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​Each seed can make a new tomato plant.

Multiple Choice

________ holds the plant up.

Multiple Choice

______ helps the plant get water.

Multiple Choice

______ make seeds. Some can grow into fruits.

Multiple Choice

_____ makes food for the plant.

​Sum it up

• Roots hold plants in place, and they take in water.

• ​​Stems hold plants up. They also move water and nutrients to all the parts of the plant.

​Sum it up

• Leaves make food for the plant.

• ​Flowers make seeds and turn into fruits.

• ​Fruits protect the seeds.