Pp Pattern Or Not

Pattern or not?

Pattern or not? 

Look for patterns needing -er words



The higher the temperature, the faster the chocolate melts

Pattern or not?

Pattern or not?

Pattern or not? Angle of ramp (degrees) 

Distance travelled by car (cm) 

10  20  30  40  50  60  70 

12  16.5  12.8  17.9  19  21.3  22.5 

 

Pattern or not? Groups of pupils were investigating at what temperature the enzyme amylase digests starch quickest  One group tried their test four times because they weren’t sure how good their results were 

Pattern or not? Temperature in °C

Time in seconds 1st try

5 20 35 40

Pattern or not? Temperature in °C

Time in seconds 1st try

5 20 35 40

562

Pattern or not? Temperature in °C

Time in seconds 1st try

5

562

20

395

35 40

Pattern or not? Temperature in °C

Time in seconds 1st try

5

562

20

395

35

270

40

Pattern or not? Temperature in °C

Time in seconds 1st try

5

562

20

395

35

270

40

260

Pattern or not? Temperature in °C

Time in seconds 1st try

5

562

20

395

35

270

40

260

Pattern or not? Consistent or not? Temperature Time in seconds in °C 1st try 2nd try 5

562

578

20

395

245

35

270

372

50

260

388

Mean

Pattern or not? Consistent or not? Temperature Time in seconds in °C 1st try 2nd try

Mean

5

562

578

570

20

395

245

320

35

270

372

321

50

260

388

324

Pattern or not? Consistent or not? Temperature Time in seconds in °C 1st try 2nd try

Mean

5

562

578

570

20

395

245

320

35

270

372

321

50

260

388

324

Pattern or not? Consistent or not? Temperature Time in seconds in °C 1st try 2nd try

Mean

5

562

578

570

20

395

245

320

35

270

372

321

50

260

388

324

Pattern or not? Consistent or not? Temperature Time in seconds in °C 1st try 2nd try

Mean

5

562

578

570

20

395

245

320

35

270

372

321

50

260

388

324

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

5

562

578

522

20

395

245

530

35

270

372

210

50

260

388

801

Mean

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

562

578

522

554

20

395

245

530

390

35

270

372

210

284

50

260

388

801

483

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

562

578

522

554

20

395

245

530

390

35

270

372

210

284

50

260

388

801

483

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

562

578

522

554

20

395

245

530

390

35

270

372

210

284

50

260

388

801

483

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

562

578

522

554

20

395

245

530

390

35

270

372

210

284

50

260

388

801

483

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

562

578

522

554

20

395

245

530

390

35

270

372

210

284

50

260

388

801

483

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

5

562

578

522

330

20

395

245

530

378

35

270

372

210

128

50

260

388

801

711

Mean

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

4th try

Mean

5

562

578

522

330

498

20

395

245

530

378

387

35

270

372

210

128

245

50

260

388

801

711

540

Pattern or not? Consistent or not? Another group got the set of results on the next slide  Why did the second group think that they didn’t need a fourth set of results? 

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

402

425

439

422

20

346

369

383

366

35

194

217

231

214

50

620

643

657

640

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

402

425

439

422

20

346

369

383

366

35

194

217

231

214

50

620

643

657

640

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

402

425

439

422

20

346

369

383

366

35

194

217

231

214

50

620

643

657

640

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

402

425

439

422

20

346

369

383

366

35

194

217

231

214

50

620

643

657

640

Pattern or not? Consistent or not? Temperature in °C

Time in seconds 1st try

2nd try

3rd try

Mean

5

402

425

439

422

20

346

369

383

366

35

194

217

231

214

50

620

643

657

640

Which of the following would give more reliable evidence?  







Use more accurate thermometers? Add all the class groups results together to get better averages? Do ten tries at each temperature to get a more accurate average? Repeat the experiment at other temperatures between 20°C and 50°C? What would you recommend?