Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fifth Grade Science Volume 2
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
Hunan Education Edition Fifth Grade Science Volume 2
!["Change the Ecological Bottle" Biology and Environment PPT Courseware](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/0c649a28-5055-494e-9702-743658e5313d.webp)
Category | Format | Size |
---|---|---|
Fifth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Change the Ecological Bottle" Biology and Environment PPT Courseware
plants in eco bottles
Plants grow well.
The color is emerald green.
What role do plants play in eco-bottles?
Provide oxygen and food to animals.
What role do animals play in the ecobottle?
Provides nutrients and carbon dioxide to plants.
Reduce the water in the ecological bottle
Due to the reduction in water volume, the living space for animals and plants is reduced, and the amount of oxygen is reduced. Small fish with less water surface more often.
Increase the number of creatures in the ecological bottle
What will happen if you choose one of the ecological bottles and double the amount of water plants?
As aquatic plants increase, the amount of oxygen produced increases, and the number of fish surfacing will decrease;
What will happen if you choose another small fish with twice the size of the ecological bottle?
As the number of small fish increases, their oxygen consumption increases, and the number of times the small fish float to the surface will increase.
Add double the number of small goldfish to the ecological bottle you designed.
Observe and record the changes of the little goldfish in the ecological bottle:
The number of times the little goldfish floats to the surface increases
Observe and record the changes of plants in the ecological bottle:
The number of plants decreased
Observe and record the changes in the water in the ecological bottle:
The water has become turbid
Keywords: biology and environment teaching courseware, changing ecological bottle teaching courseware, fifth grade science PPT courseware download from the textbook version, fifth grade science slide courseware download, biology and environment PPT courseware download, changing ecological bottle PPT courseware download, .PPT format ;
For more information about the "Biology and Environment Change Ecological Bottle" PPT courseware, please click the Biology and Environment PPT Change Ecological Bottle PPT label.
"Change the Ecological Bottle" Biology and Environment PPT Download:
"Changing the Ecological Bottle" Biology and Environment PPT Download Part One: Collaborative Exploration 1. Reduce the Water in the Ecological Bottle Questions raised If there is less water, what will happen to the animals in the ecological bottle? It is speculated that the number of times the animals in the ecological bottle float to the water will change...
"Change the Ecological Bottle" Biology and Environment PPT:
"Changing the Ecological Bottle" Biology and Environment PPT Part One Content: Reduce the Water in the Ecological Bottle Pour out half of the water in the ecological bottle and keep the number of organisms in the ecological bottle unchanged. Predict what changes will happen to the organisms in the ecological bottle? Record the small fish in the ecological bottle in the water...
"Change the Ecological Bottle" Biology and Environment PPT Courseware 4:
"Changing the Ecological Bottle" Biology and Environment PPT Courseware 4 Teaching Objectives 1. Be able to explain that reducing water and adding animals and plants will cause changes in the ecological community. 2. Experience the experiment of changing the organisms and water in the ecological bottle to cause changes in the ecological community. Reduce the water in the ecological bottle..
File Info
Update Time: 2024-09-11
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!["Change the Ecological Bottle" Biology and Environment PPT Courseware](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/3f7b2632-e022-460c-ac6a-0b0e1c7122d9.webp)