F ORMATIVE TEST PAPER TEST REVIEW SHEETS

Transcription

1 1. DATA AND ITS LIMITATIONS 1 Data slide 2 Look at slide 2 and describe the difference between data and opinion 2a 2b 2c 2d Data slide 11 Data Slides 3-4 Data slide 5 Use slide 11 to help you explain what an outlier is, how they are recognized, and what scientists do with them Describe how we calculate means and ranges. Calculate the mean and range of: 2, 3, 4, 6, 5, 4 Check your answers using slide 4 Why do measurements of the same thing often vary? Why is it more reliable to repeat readings? 3 Data 6 Slides 6-8 Use slide 5 to support your answer Explain how scientists use means and ranges to decide if there is a real difference between two sets of readings. E.g. Why do we feel that there is a real difference in the sugar content of these two types of tomato: Organic Rumba: mean = 8.5g, range: 8.2 to 8.g Non-organic: mean =.6g, range:.2 to 8.1g Slides 6-8 will help you write your explanation

2 2. CORRELATION AND CAUSE 1a slides 8-11 Look at the graph on slide 8 and decide how you would draw a line of best fit for it. Assess whether you were correct by looking at slide 9, which shows the line of best fit. Repeat steps 1 and 2 for slides 10 and 11. 1b slides 4-6 Read the information about factors on slide 4. Look at the example investigations on slide 5 and work out which factor is being investigated for each one. Check your answers using slide 6. 2a slides -13 Read the information given on slide. Look at slide 8 and try to describe the correlation. Slide 9 provides the answer. 2b slide 21 3 slides 1-20 Repeat the process using slides 10 to 13. Look at slide 21 to assess the difference between a positive and a negative correlation. Evaluate the information given from slide 1 to slide 19 to see why sample size is important for scientific studies. Read the information given on slide 20 about matched samples.

3 3. DEVELOPING EXPLANATIONS 1 Explanations slide 3 2 Explanations slides Explanations slide 10 4 Explanations slides Explain the difference between data and explanations. Check your answer using the definitions on slide 3. Describe the main reasons why Charles Darwin s new theory of evolution by natural selection wasn t accepted immediately. Use the ideas and viewpoints on slide 9 to support your answer Scientists make predictions using new explanations. They then collect new data and use it to test the explanation. Explain how scientists become more confident that a new explanation is a reliable one. Explain the following statement: New scientific explanations aren t proved correct if new data collected in an experiment agrees with a prediction. The data will however increase our confidence in the new explanation.

4 4. THE SCIENTIFIC COMMUNITY 1 Community slide 3 Describe two ways in which new scientific findings should be shared. 2a Community slides 3-5 Use slides 3-5 to help you write a definition of the peer review process 2b Community slides 4-5 State the various steps involved in the peer review process, and explain what goes on within each one. 3 Community slide 8 4 Community slides Community 13 Help on the various stages can be found on slides 4-5 Read slide 8 on the value of the peerreview process. Explain why a scientist would treat with distrust a new claim made on the internet that someone had found a cure for cancer Suggest reasons why, even though a new explanation has been published in a peerreviewed journal, some scientists are reluctant to accept it. Find out what replication is, and why it is important Describe problems of just conducting a scientific experiment once only.

5 5. RISKS AND BENEFITS 1a 1b 1c slides 2-3 slides 5- slides d slides slides a & b slide 19 Read the information about on slide 2 and work out which comments are based on. Check your answers using slide 3. Look at the information about hazards and risks given on slide 5. Identify which person is describing a hazard on slide 6. Check your answer using slide. Find out what a personal choice is using slide 8. Identify which person is describing a personal choice on slide 9. Check your answer using slide 10. Use slide 11 to see what a social choice is. Identify which person is describing a social choice on slide 12. Check your answer using slide 13. Assess the difference between ALARA and the precautionary principle using slide 24. On slide 25, identify which statements are based on the precautionary principle and which statements are based on the ALARA principle. Check your answers using slide 26. Use slide 19 to evaluate the difference between perceived and actual risk.

6 6. MAKING DECISIONS ABOUT SCIENCE 1 Making slide 11 2 Making slide 12 3/ 4c 4a/ 4b Making slides -8 Making slides Making slide 11 2 Making slide 12 Read the definition of sustainable development. Follow the web to look at examples of sustainable development in Northern Ireland. Look at the information and examples given about science s relationship with the law. Follow the web s under the pictures to look at current topics relating to scientific advances and the law. Evaluate the information on slide. Look at the summary on slide 8 and follow the web to see an ethical debate about what science should do. Look at the different types of ethical argument given on slide 4. Identify the ethical and unethical arguments on slide 5. Check your answers using slide 6. Read the definition of sustainable development. Follow the web to look at examples of sustainable development in Northern Ireland. Look at the information and examples given about science s relationship with the law. Follow the web s under the pictures to look at current topics relating to scientific advances and the law.