SCIENTIFIC INVESTIGATIONS – THE IMPORTANCE OF FAIR TESTING.pptx

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SCIENTIFIC INVESTIGATIONS – THE IMPORTANCE OF FAIR TESTING Lesson 1 – SCIENCE 7

Short Overview

SCIENTIFIC INVESTIGATIONS I s the how scientists and researchers use a systematic process to answer questions about the world around us . It is a way of finding the answer to a question using carefully arranged steps. Scientific investigations use FAIR TESTS - important in doing experiments

FAIR TESTS Steps: Aim - ask a question, Method - what to do/procedure, Results - what you measured/data, Conclusion -what you learned .

some of the things you can do to make sure your experiment is a fair test You have to change something, measure something You have to keep everything else the same You have to measure everything accurately You have to measure things three times

Questions: 1. Can you name one of the important components/parts of a scientific investigation ? 2. What are some of the things you can do to make sure your experiment is a fair test ? 3. Why is fair test important in doing experiments?

Pass the Cabbage

Question 1: Can you name one of the important components/parts of a scientific investigation?

Question 2: What are some of the things you can do to make sure your experiment is a fair test?

Question 3: : Why is fair test important in doing experiments? Experiments in Science have to be fair tests otherwise the results might not be valid.

Lesson Purpose and Intention

Lesson Purpose and Intention Describing and writing the components of a scientific investigation. How important this is for learning and when answering questions in science.

Lesson Language Practice Results, Aim , Conclusion

Guess the Word 1. The students will guess the word by filling in the blanks with the correct letters of the word. 2. Ask the students to say something that describes the given word.

R_S_LT_

C_NCL_SI_N

A_M

RESULTS AIM CONCLUSION What you are trying to prove What you measured What you learned from your results matching the headings with their role/purpose.

RESULTS AIM CONCLUSION What you are trying to prove What you measured What you learned from your results

Lesson Activity

Gabriel use Laboratory Thermometer to measure the air temperatures To determine the precise size of the balloon He should measure the diameter of the balloon using a tape measure for three times. What should Gabriel need to consider to make sure that his experiment is a fair test ? -The balloons must be of the same type and size from the beginning/ or from the start . -Use the same measuring device and scale in measuring the diameter of the balloons . -Use the same thermometer to measure the temperature each time . -Perform the experiment at the same time of the day to ensure same weather condition.

Gabriel use Tabular presentation to write down all his measurements Gabriel’s aim for the experiment to to prove that helium balloons expand and even burst when the temperature rises and to design an experiment which is a fair test Gabriel’s experiment conclusion, the results showed that as the temperature increased by x degrees, the size of the balloons increased till they burst .

Component 4B Questions: 1. What should Gabriel use to measure the air temperatures ? 2. How should he determine the precise size of the balloon ? 3. What should Gabriel need to consider to make sure that his experiment is a fair test ?

Component 4C Questions: 1. How should Gabriel write down all his measurements? 2. What is Gabriel’s aim for the experiment? 3. If Gabriel’s experiment works out how he thought it would, what should he write as his conclusion?

Question 1: What should Gabriel use to measure the air temperatures?

What should Gabriel use to measure the air temperatures? Laboratory Thermometer

Question 2: How should he determine the precise size of the balloon?

How should he determine the precise size of the balloon? measure the diameter of the balloon using a tape measure for three times.

Question 3: What should Gabriel need to consider to make sure that his experiment is a fair test?

What should Gabriel need to consider to make sure that his experiment is a fair test? The balloons must be of the same type and size from the beginning/ or from the start. Use the same measuring device and scale in measuring the diameter of the balloons. Use the same thermometer to measure the temperature each time. Perform the experiment at the same time of the day to ensure same weather condition.

Question 4: How should Gabriel write down all his measurements?

How should Gabriel write down all his measurements? Tabular presentation

Question 5: What is Gabriel’s aim for the experiment?

What is Gabriel’s aim for the experiment? to prove that helium balloons expand and even burst when the temperature rises to design an experiment which is a fair test

Question 6: If Gabriel’s experiment works out how he thought it would, what should he write as his conclusion?

If Gabriel’s experiment works out how he thought it would, what should he write as his conclusion? the results showed that as the temperature increased by x degrees, the size of the balloons increased till they burst.

Lesson Conclusion

Question 1: Has this lesson helped you to better understand what fair testing means in Science? If so, how?

Question 2: Has this lesson helped you to remember the components of a scientific investigation? If so, how?

Joan B. florendo Science 7 Teacher

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SCIENTIFIC INVESTIGATIONS – THE IMPORTANCE OF FAIR TESTING.pptx

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