W10 Plant Tropisms & Importance

At the end of this lesson,

you will be able to: ​

• Explain the types of plant tropisms.

• Explain how plants are important in ​everyday life.

​

​

Grade 6 T. Noha Barada

​Topic 10 Lesson 4

Plants & Animals​

Multiple Choice

What is the function of the plant cell structure shown in the picture?

• It controls all the activities of the cell.

• It makes food for the plant.

• It stores water food and wastes.

• It produces energy for the cell.

• It controls what goes into and out of the cell.

Multiple Select

Choose all that apply.

Mosses, hornworts and liverworts are examples of 

• vascular plants

• nonvascular plants

• seed plants 

• gymnosperms

• angiosperms

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What is another word for gravitropism?

Plants respond to stimuli by growing toward or away from the stimulus.

​

​A tropism is the growth of a plant in response to a stimulus in its environment.

​G6 T. Noha Barada

​Plants Tropism

​

Open Ended

Google Search

What is hydrotropism?

Match

Match each tropism to its description.

• phototropism

• gravitropism

• thigmotropism

• hydrotropism

the plant's response to light

the plant's response to gravity.

the plant's response to touch.

the plant's response to water.

• the plant's response to light

• the plant's response to gravity.

• the plant's response to touch.

• the plant's response to water.

Open Ended

The picture shows how roots grow towards gravity (positive gravitropism) and stems grow away from gravity (negative gravitropism).

What do you think is the difference between positive and negative tropism?

Open Ended

What would happen to roots and stems of a plant if you place it on its side, or even upside down?

There are two main types of tropisms:

• positive tropisms –

  the plant grows towards the stimulus.

• negative tropisms – the plant grows away from the stimulus.

​G6 T. Noha Barada

​Plants Tropism

​

Common stimuli that influence plant growth include light, gravity, touch, and water.

​G6 T. Noha Barada

​Plants Tropism

​

Multiple Choice

Roots growing away from rocks is an example of ..

• positive gravitropism

• negative thigmotropism

• negative phototropism

• positive hydrotropism

Multiple Choice

Roots moving and growing towards the water is an example of ..

• positive gravitropism

• negative thigmotropism

• negative phototropism

• positive hydrotropism

Multiple Choice

stems, leaves and flowers moving and growing towards the light is an example of ..

• negative gravitropism

• negative phototropism

• positive phototropism

• positive thigmotropism

Multiple Choice

Stems growing upwards is an example of ..

• negative gravitropism

• negative phototropism

• positive hydrotropism

• positive thigmotropism

Multiple Choice

A vine curling around an object is an example of ..

• negative gravitropism

• negative phototropism

• positive hydrotropism

• positive thigmotropism

Open Ended

What would happen to our life if plants disappear?

(no more plants on Earth)

Explain your answer.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Use the picture to describe the role that plants play in our everyday life.

Open Ended

Share three roles that plants play in our everyday life.