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"Exploring the Method of Life" PPT courseware
Part I: General steps of scientific inquiry
1. Ask questions:
There are many puzzling problems in life and production. Being good at discovering and asking questions is the first step in scientific inquiry.
2. Make assumptions:
A hypothesis is a possible explanation for a problem.
3. Experiment:
Experiments are the basic way to verify hypotheses, including making plans and implementing plans (including experiments, observations, surveys, and evidence collection, etc.).
All experiments have variables, and scientific inquiry often requires controlled experiments.
4. Draw conclusions:
Analyze phenomena, process data, and draw conclusions.
Methods of exploring life PPT, Part 2: General methods of scientific inquiry
Ask a question
Ask questions about puzzling phenomena found in life and production.
make assumptions
A hypothesis is a possible explanation for a problem.
Experiment
It is the basic way to test hypotheses.
get conclusion
Analyze phenomena, process data, and draw conclusions.
Methods of exploring life PPT, part three: inquiry guidance
1. Observe the morphological structure of earthworms. Run your fingers back and forth across the earthworm's body to feel for the presence of bristles.
2. Try to explore
(1) Research question: On what surface do earthworms crawl quickly?
(2) Make a hypothesis: Earthworms crawl quickly on cardboard (glass).
(3) Experiment: divide labor and cooperate, conduct experiments, and collect experimental evidence.
(4) Draw a conclusion: Analyze the evidence, express your own opinions, and draw a conclusion.
Exploring the method of life PPT, part 4: Consolidation exercises:
1. Which of the following rankings about the scientific inquiry process is correct ( )
① Make assumptions ② Make plans ③ Ask questions
④Draw conclusions ⑤Conduct experiments
A. ①②③④⑤ B. ③①②⑤④
C. ②①③⑤④ D. ③①②④⑤
2. When designing controlled experiments, the issues that should be paid attention to are ( )
A. all variables are the same
B． All variables are different
C. The experimental variables are the same
D. All other factors are the same except for the experimental variables
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"Exploring the Method of Life" PPT:
The first part of "Exploring the Method of Life" PPT: Exploring the impact of light on the life of rat women mainly relies on moist body surface respiration and the movement of muscles and bristles. What kind of surface do earthworms crawl quickly on? (1) Ask the question: What kind of surface do earthworms crawl on?