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Is it valid?. Table of results pH of liquid to water cotton wool Measurement of cress seeds (cm) 12 3 4 5 6 7 8 9 10 Average 410000000000.1 52121.5 140001.2.

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Presentation on theme: "Is it valid?. Table of results pH of liquid to water cotton wool Measurement of cress seeds (cm) 12 3 4 5 6 7 8 9 10 Average 410000000000.1 52121.5 140001.2."— Presentation transcript:

1 Is it valid?

2 Table of results pH of liquid to water cotton wool Measurement of cress seeds (cm) 12 3 4 5 6 7 8 9 10 Average 410000000000.1 52121.5 140001.2 60.81.61.1 0000000.46 752.5410000001.25 80.50.40.200000000.11 900000000000

3 Graph

4 Conclusion Up to 6, the pH helps the cress plants to grow

5 Table of results Number of pupilsHeight in cms 2 160 4 165 7 170 6 175 4 180 1 185

6 Graph of results

7 Conclusion The greater the number of pupils the more the height changes

8 Table of results Length of wire (cm) Current (amps) 1 2 Average 5 3.55 3.54 3.545 10 3.50 3.49 3.495 15 3.09 3.07 3.08 20 2.65 2.63 2.64 25 1.76 1.73 1.745 30 1.57 1.59 1.58

9 Graph

10 Conclusion The longer the wire the less the value of the current

11 Results PlantGroup 1Group 2Group 3Group 4Average % Clovers %25 0 0 0 6.25 Grasses %5015105031.25 Leaves %2550 2036.25 Barley grass % 025 5 58.75 Thistles % 0 1 0 00.25 Thorns % 0 05 01.25 Weeds % 0 0 0102.5 Soil % 0 930 912

12 Results

13 Conclusion The plants with the biggest leaf areas covered the most ground

14 Results chart Height of ramp (cm)Speed (m/s) 5 1.2 10 1.5 15 0.7 20 2.1 25 2.4 30 2.7 35 3.0 40 3.3

15 Graph of speeds reached

16 Conclusion The speed of the car always increases if the ramp is made higher


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