"Experience Chemistry Exploration" Entering the Palace of Chemistry PPT

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"Experience Chemistry Exploration" Entering the Palace of Chemistry PPT, 28 pages in total.

Lay a solid foundation

1. Which of the following steps is not a scientific inquiry step ()

A. Discover and ask questions B. collect evidence

C． Communicate and reflect D. listen carefully

2. [High School Entrance Exam·Weihai] Xiaoli picked up a white pebble. Could it be marble? Put it in vinegar and bubbles will form. Xiaoli thinks that the pebbles may contain carbonate. In this process, the scientific method that is not applied is ()

A. Guess B. Experiment c. Reasoning D. induction

3． Conducting chemical exploration is an important means to learn chemistry well. The following are related to chemical exploration ()

①Propose reasonable hypotheses or conjectures ②Design and explore experimental steps

③Record experimental phenomena and relevant data in detail

④ Collaborate in chemical experiments ⑤ Form a summary report

A. ①③⑤ B. ①②③

C． ①②③⑤ D. ①②③④⑤

integrated approach

10． [High School Entrance Exam·Liaocheng] When a classmate lit a candle, he suggested that paraffin wax might turn into steam before it can burn. From this point of view, it should belong to () in the scientific inquiry process

A. Ask questions b. Conjectures and Assumptions

C． Conduct experiments D. reach conclusion

11． [High School Entrance Exam·Binzhou] The following table lists some of the questions and answers to the questions involved in Faraday's "The Story of the Candle". Among them, the "answers to the questions" belong to "designing experimental plans" ()

12. In the following candle burning experiment, the description of the experimental phenomenon is wrong ()

A. In Experiment 1, the candle flame gradually extinguished

B. Experiment 2: There is no obvious change in the surface of the white porcelain plate

C． In Experiment 3, the match stem in the outer flame part was carbonized first.

D． Experiment 4: A beaker with clear lime water coated on the inner wall is placed upside down over a flame. The lime water becomes turbid.

Explore Peiyou

14. Inspired by the British scientist Faraday's "The Chemical History of Candles", the chemistry team conducted an investigation into the burning process of candles.

[See information] Copper sulfate is a white powder that is water-absorbent and turns blue after absorbing water.

【conduct experiment】

(1)The conclusion obtained in Experiment I is ____________________________.

(2) Complete the experimental phenomena of Experiment II_________________________.

(3) In experiment III, the effect of copper sulfate powder is _______________, and the experimental phenomenon corresponding to the conclusion that "the products of burning candles contain carbon dioxide" is _______________.

Keywords: Free download of the complete PPT courseware for the eighth grade of Chemistry of the May 4th System of Lujiao Education, PPT download for experiencing chemistry exploration, PPT download for entering the palace of chemistry, .PPT format;

For more information about the PPT courseware "Step into the Hall of Chemistry and Experience Chemical Exploration", please click the PPT tag of "Step into the Hall of Chemistry and Experience Chemistry Exploration".

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Update Time: 2024-11-19

This template belongs to Chemistry courseware Lu Jiao Edition Ninth Grade Chemistry Volume 1 industry PPT template

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