| Category | Format | Size |
|---|---|---|
| E-education edition sixth grade science volume 2 | pptx | 6 MB |
"The Sun and Earth's Material Changes" PPT Courseware 3
Description
"The Sun and Earth's Material Changes" PPT Courseware 3
sun and earth
In the previous lesson, we already knew that the sun is closely related to living things on the earth. Then please answer the following questions:
Can plants survive without the sun? Why?
What would happen to the life on earth if the sun suddenly disappeared?
think about it
What phenomena of material change have we learned?
Objects are composed of matter, and matter can change. There are two main types of changes. One is a change in the state of matter, such as water freezing. The other is a change in the composition of the substance, such as the burning of wood.
Sun and water cycle
What role does the sun play in the water cycle? If there is no sun, can the water cycle proceed smoothly?
In the water cycle, the sun plays a decisive role. If there is no sun, water cannot rise into water vapor and rise into the air. If there is no sun, and there is no air flow to form wind, it cannot bring water vapor inland, so there is no water cycle. Furthermore, if there is no sun, water may turn into ice and there will be no way to circulate.
sun and weather
The weathering of rocks also requires the action of the sun, and we should know that the weathering of rocks is not only related to the production of pebbles, but also closely related to the formation of soil. So we can say that the formation of soil is related to the sun.
Keywords: Teaching courseware of the Sun and the Earth's material changes, download the science PPT courseware for the second volume of the sixth grade in the E-education edition, download the sixth grade science slide courseware, download the PPT courseware of the Sun and the Earth's material changes, .PPT format;
For more information about the PPT courseware "The Sun and the Earth's Material Changes", please click the "The Sun and the Earth's Material Changes" ppt tag.
"The Sun and Earth's Material Changes" PPT courseware 2:
"The Sun and the Earth's Material Changes" PPT Courseware 2 The Sun and the Earth In the previous lesson, we already know that the sun is closely related to the creatures on the earth. So please answer the following questions: Can plants survive without the sun? Why? if..
"The Sun and Earth's Material Changes" PPT courseware:
"The Sun and Earth's Material Changes" PPT courseware The sun radiates energy to the surroundings in the form of electromagnetic waves, which is called solar radiation. The surface temperature of the sun is 6000K. How does the sun emit heat and generate energy? Nuclear fusion reaction: 4HHe+ energy data: (4 million tons/second 50..
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Update Time: 2024-07-06
This template belongs to science courseware E-education edition sixth grade science volume 2 industry PPT template
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