S2U4L4 - What are some plant life cycles?

S2U4L4 - What are some plant life cycles?

Vocabulary

Seed

[SEED] what a new plant grows from

Seed and bead end with the same sound.

Many seeds are as small as beads.

Seedling

[SEED•ling] a young plant grown from a seed

germinate

[ JER•muh•nayt] start to grow

cone

[KOHN] part of a plant where seeds grow

Growing

Poll

Have you ever grown a plant?

• Yes

• No

Have you ever grown a plant? What stage of the life cycle was it in when you planted it? 

• You may have planted seeds that grew into flowers or planted some seedlings that got bigger and grew flowers, or planted small trees and bushes.

Multiple Choice

Does a plant produce new plants that are the same type as the original plant?

• Yes

• No

Does a plant produce new plants that are the same type as the original plant?

• Yes, a plant produces new plants that are the same type as the original.

• An apple tree produces new apple trees, daisies produce new daisies, and pine trees make new pine trees.

What are some of the major parts of a plant?

Some of the major parts of any plant are: roots, stems, leaves, and flowers, and sometimes cones. 

Germination and Growth

What kinds of seeds have you seen?

• You may have seen dandelion seeds, apple seeds, or watermelon seeds.

• Have you seen pumpkin seeds? Or sunflower seeds?  

How do you know when a seed germinates?

• When the seed germinates, it opens and the roots begin to come out into the soil. 

• 
  

Why do you think the roots appear first?

• The roots appear first and go into the soil because the plant will get water and nutrients from the soil. 

Flowers and Cones

What are some examples of plants that have flowers?

• There are many different plants that have flowers.

• Some of these are daisies, roses, tulips, geraniums, and sunflowers.

What are some examples of plants with cones? 

• Some plants that have cones are pine trees, fir trees, and spruce trees.

• 
  

Do trees like apple or peach have flowers? Explain. 

• Yes, apple and peach trees have flowers.

• Even though we think of them as growing fruit, many trees have flowers first. 

Along with making seeds in cones, can you think of another way these trees are different from other kinds of trees?

• These trees are different than other trees because they have needles instead of leaves, and the needles don't fall off in the winter. 

• 
  

Generations

Open Ended

What would happen if every plant lived forever?

What would happen if every plant lived forever?

• Plants would cover Earth, and there would be little room or resources for anything else. 

The animation shows a seed falling next to the plant. But what would happen if all the seeds fell next to the plant?

• If all the seeds fell right next to the plant, it would get too crowded for the plants to grow.

• Plants need space. Some seeds get carried away from the plant by wind or by animals, so they have a better chance of germinating.

Part 1 ends here

to be continued