"Trees on campus" plant PPT download

"Trees on campus" plant PPT download

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"Trees on campus" plant PPT download

Part One: Group Discussion and Problem Solving

1. In what order should we observe a tree?

2. What observation methods can we use to observe?

3. We need to observe and record at the same time.

Campus trees PPT, part 2: supplementary observation method - rubbing

First press the white paper tightly against the trunk.

Use your finger to press repeatedly on the paper.

Then flatten the crayon and rub it on the paper.

Color the raised parts.

Campus trees PPT, part three content: observation record requirements

1. Observe the time, place and name of the tree recorded.

2. Records also require awareness of evidence, and it is best to affix the collected physical specimens.

Campus trees PPT, part 4: Talk about the similarities and differences of different trees

similarities between trees

They all grow in the soil

They all need sunlight, water, and air

All have wooden trunks

Usually perennial

Differences in trees

The crown has size

The trunk is thick

Some trees have smooth bark, some have rough bark.

The fruits are different

The leaves are different

Campus trees PPT, part 5: Classroom exercises:

The overall shape of a tree is generally composed of ( ), ( ) and roots.

The organs of a tree generally include six parts, please write: ( )

Common observation methods include eyes ( ), ears ( ), nose ( )

Use your hands ( ) to wait, and you can also use ( ), ( ), etc.

Tools for observation, we can also use the bark ( ) method.

Campus trees PPT, part 6 content: extracurricular extension

1. Please choose a big tree you like and continue to observe it outside class to see how it will change? Record your findings in a logbook.

2. Prepare materials for the next class:

Pick up several common grasses (setaria, clover), a camphor branch and its fruits and leaves

Keywords: Free download of Chinese PPT courseware for the first volume of the third grade of the textbook version, PPT download of trees on campus, PPT download of plants, .PPT format;

For more information about the PPT courseware "Trees of Plants and Campuses", please click the "Trees of Plants and Campuses" ppt tag.

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