Pasta experiment
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1) The scientific method involves observing a problem, asking a question, making a hypothesis, experimenting, and drawing a conclusion. 2) A 2nd grade class wants to cook two shapes of pasta but doesn't know how long each will take. 3) They will use the scientific method by observing the two shapes, questioning which will cook faster, hypothesizing the smaller animal shape will be quicker, testing it in an experiment, and concluding their hypothesis was correct.
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The scientific method involves 6 key steps: 1) making observations and recording them, 2) asking a question and developing a testable hypothesis, 3) conducting research, 4) performing an experiment, 5) recording results, and 6) drawing a conclusion about whether the hypothesis was confirmed or not. The document then discusses the concept of variables in an experiment, defining the independent variable as the factor that is deliberately changed, the dependent variable as the factor that is measured, and controlled variables as other factors kept the same.
The Scientific Method 2011 acloutier copyright 2011
The document outlines the scientific method, which is a process used by scientists to investigate questions and phenomena in a systematic way. It discusses that while there are varying versions, the core steps generally include formulating a question, developing a hypothesis, conducting an experiment, analyzing data, drawing conclusions, and communicating results. The document also notes that while scientists use this method in their work, not all steps are always needed, and that businesses have also adapted aspects of the scientific method to help solve problems.
G7 Science Q1- Week 1-Scientific Investagation.ppt
This document describes the steps of the scientific method. It begins by explaining what science is and how scientists conduct scientific investigations. It then outlines the key components of a scientific investigation, which are: 1) asking a question and making observations, 2) developing a hypothesis, 3) designing and conducting an experiment, 4) analyzing results, 5) drawing conclusions, 6) communicating results. It provides an example of using the scientific method to test the hypothesis that adding more sugar increases the rise of bread. The example walks through defining variables, designing trials, collecting and analyzing data, and drawing a conclusion.
11scientificmethod variables
The document describes the steps of the scientific method which are: 1) making observations, 2) asking a question, 3) researching background information, 4) developing a hypothesis, 5) conducting an experiment, 6) recording results, and 7) drawing a conclusion. It then discusses the three types of variables in an experiment: the independent variable which is deliberately changed, the dependent variable which is measured, and controlled variables which are kept the same.
11scientificmethod variables
The document describes the steps of the scientific method which are: 1) making observations, 2) asking a question, 3) researching background information, 4) developing a hypothesis, 5) conducting an experiment, 6) recording results, and 7) drawing a conclusion. It then discusses the three types of variables in an experiment: the independent variable which is deliberately changed, the dependent variable which is measured, and controlled variables which are kept the same. Examples are provided to illustrate each type of variable.
The scientific investigation
Here are the answers to the assessment:
1. D
2. C
3. C
4. C
5. C
6. D
7. C
8. B
9. A
10. B
11. B
12. C
13. D
14. A
15. C
G7 Science Q1- Week 1-Scientific Investagation.ppt
The document describes the steps of the scientific method. It begins with making observations and asking questions to define a problem. A hypothesis is then formulated as a predicted answer. An experiment is designed to test the hypothesis, which involves identifying independent and dependent variables. The experiment is conducted and the results are recorded, analyzed and used to draw a conclusion about whether the hypothesis is supported or needs revision. Finally, the results are communicated. The document provides an example of a student investigating how sugar content affects bread rising to demonstrate how to apply the scientific method.
Scientific Method - Earth Science
Sponge Bob conducted an experiment to test his hypothesis that fish exposed to microwaved food would swim through a maze faster. He microwaved food for 20 seconds for one group of 10 fish and gave regular food to another group of 10 fish. After a week, he recorded the times for each fish to swim through the maze. The results showed that most fish in both groups had faster times in the second trial but there was no clear difference between the groups, indicating microwaved food did not affect maze swimming speed.
Scientific method procedures (Teach)
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Experimentation.pptx
1. The document provides guidance on conducting scientific experiments through a 7-step process that includes choosing a topic, developing a hypothesis, isolating variables, planning data collection, methodically conducting the experiment, collecting data, and analyzing results and drawing conclusions.
2. It then describes Alexander Fleming's famous discovery of penicillin in 1928, where he hypothesized that a mold growing in some of his culture dishes was producing a chemical that killed the Staphylococcus bacteria. Testing showed that a nutrient broth where the mold was grown did indeed kill bacteria.
3. The final section describes having the student conduct the egg in vinegar experiment, where the hypothesis and variables would be identified, and a summary of results provided.
Catalase presence lab
This document outlines an experiment to test for the presence of the enzyme catalase in different tissues. It describes the independent, dependent, and controlled variables. Samples of potato, apple, chicken, and yeast were tested in three experiments. The first experiment found yeast produced the most bubbles, indicating the highest catalase activity. The second experiment exposed samples to heat before testing, finding no reaction as expected. The third experiment exposed samples to sodium hydroxide before testing, also finding no reaction as predicted, except in some samples for unknown reasons. The hypothesis that yeast would react fastest due to its unicellular structure was confirmed.
Red absorption
The document outlines a 60-minute lesson plan about materials that can absorb water. Students will bring in samples, group them according to whether they think each can absorb water, then test the materials by dipping them in water and recording their observations. They will analyze their results to determine which materials absorbed water and which did not. The lesson aims to teach students that some materials can absorb water through hands-on experimentation and discussion of their observations.
ScientificMethodManiaV1.docx
This document outlines a week-long lesson plan on the scientific method for 7th grade life science students. The lesson includes 5 days of instruction using PowerPoint presentations, guided notes, worksheets, and a lab experiment. On day 1, students learn the steps of the scientific method. Day 2 focuses on aligning experiments with the steps. On day 3, students write hypotheses and procedures. A freshwater vs. saltwater lab is conducted on day 4. Day 5 involves a quiz and reviewing conclusions from the lab. The goal is for students to understand and apply the scientific method to develop hypotheses and communicate conclusions.
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The Scientific Method 2011 acloutier copyright 2011
The Scientific Method 2011 acloutier copyright 2011
G7 Science Q1- Week 1-Scientific Investagation.ppt
G7 Science Q1- Week 1-Scientific Investagation.ppt
G7 Science Q1- Week 1-Scientific Investagation.ppt
G7 Science Q1- Week 1-Scientific Investagation.ppt
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Pasta experiment
- 1. SCIENTIFIC METHOD The steps scientists follow to make tests
- 2. THE SCIENTIFIC METHOD The steps scientists follow to make tests 1) Observe 2) Ask questions 3) Research (gather information) 4) Make a Hypothesis (guess) 5) Make an Experiment 6) Conclusion
- 3. A PASTA PROBLEM Grade 2 wants to cook some pasta, but there are 2 shapes and they don’t know how much cooking time will it take . How will they think as scientists to solve this problem ?
- 4. (1) OBSERVE What you see. Example: I see 2 different shapes of pasta.
- 5. (2) ASK A QUESTION What you want to know. Example: which shape will be cooked faster ????
- 6. (3) GATHER INFORMATION search for information to find my answer . Example: •Small pasta is cooked faster than large pasta. k
- 7. 4) HYPOTHESIS (GUESS) I think that the animal pasta will be cooked faster because it’s smaller.
- 8. 5) EXPERIMENT Let’s make an experiment to see if our hypothesis was right or wrong !
- 9. LET’S COOK THEM IN THE LAB AND SEE Pasta shape spiral shape animal shape Time taken to be cooked. 14 minutes 10 minutes
- 10. (6) CONCLUSION The answer to the question Example: Yes !! Your hypothesis was right, the animal pasta was cooked faster !