GCSE Biology Required Practical: Osmosis in Plant Tissue - Revision history

NRJC at 14:25, 2 November 2019

2019-11-02T14:25:05Z

NRJC at 10:35, 13 April 2019

2019-04-13T10:35:43Z

NRJC at 10:33, 13 April 2019

2019-04-13T10:33:06Z

NRJC: /* Method */

2019-04-11T09:16:05Z

‎Method

NRJC: /* Method */

2019-04-11T09:15:48Z

‎Method

NRJC: /* Method */

2019-04-11T09:15:29Z

‎Method

NRJC: /* Method */

2019-04-11T09:15:13Z

‎Method

NRJC at 09:04, 11 April 2019

2019-04-11T09:04:15Z

NRJC at 19:28, 3 April 2019

2019-04-03T19:28:46Z

NRJC at 19:28, 3 April 2019

2019-04-03T19:28:37Z

← Older revision		Revision as of 14:25, 2 November 2019
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	:7. Plot a graph showing the concentration of [[sugar]] [[solution]] on the x-axis and the change in [[mass]] of plant tissue on the y-axis.		:7. Plot a graph showing the concentration of [[sugar]] [[solution]] on the x-axis and the change in [[mass]] of plant tissue on the y-axis.
		+
		+	===References===
		+	====Edexcel====
		+	:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Biology core practicals; osmosis in potato slices, pages 22-23, GCSE Combined Science, Pearson Edexcel '']

@@ Line 1: / Line 1: @@
 ==Key Stage 4==
 ===Meaning===
 Investigate the effect of the [[concentration]] of [[sugar]] [[solution]] on the [[mass]] of [[plant]] [[tissue]].
 ===Experiment===

@@ Line 1: / Line 1: @@
 ==Key Stage 4==
 ===Meaning===
 Investigate the effect of the [[concentration]] of [[sugar]] [[solution]] on the [[mass]] of [[plant]] [[tissue]].
 ===Experiment===

@@ Line 29: / Line 29: @@
 {| class="wikitable"
 |-
-|[[File:OsmosisPractical4.png|center|200px]]
+|[[File:OsmosisPractical4.png|center|300px]]
-|[[File:OsmosisPractical5.png|center|200px]]
+|[[File:OsmosisPractical5.png|center|300px]]
 |-
 | style="height:20px; width:200px; text-align:center;" |

@@ Line 23: / Line 23: @@
 :1. Cut 6 equal volumes of plant tissue (potato).
 :2. Dry the plant tissue with paper towel and [[measure]] the [[mass]] of each piece using an [[Electronic Balance|electronic balance]] or find their [[Volume (Space)|volume]] by [[measuring]] length, width and height with [[ruler]] and multiplying them together.
-| style="height:20px; width:200px; text-align:center;" |:3. Use a [[Measuring Cylinder]] to measure 10cm<sup>3</sup> of 1.0M [[sugar]] [[solution]] and pour it into a [[Boiling Tube]].
+| style="height:20px; width:200px; text-align:center;" |
 :4. Repeat step 3 with 8cm<sup>3</sup> of [[sugar]] [[solution]] and 2cm<sup>3</sup> of distilled water to give 0.8M [[sugar]] [[solution]], then 6cm<sup>3</sup> and 4cm<sup>3</sup> of distilled water to give 0.6M [[sugar]] [[solution]], repeating this pattern until there is 10cm<sup>3</sup> of 0.0M [[sugar]] [[solution]].
 |}
@@ Line 31: / Line 32: @@
 |[[File:OsmosisPractical5.png|center|200px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |:5. Place one piece of plant tissue into each of the 6 [[Boiling Tube|boiling tubes]] leaving them for 12-24 hours (ensuring it is the same time for all).
+| style="height:20px; width:200px; text-align:center;" |
-| style="height:20px; width:200px; text-align:center;" |:6. Remove the pieces of plant tissue, drying them with a paper towel and measure their [[mass]].
+:5. Place one piece of plant tissue into each of the 6 [[Boiling Tube|boiling tubes]] leaving them for 12-24 hours (ensuring it is the same time for all).
 |}
 :7. Plot a graph showing the concentration of [[sugar]] [[solution]] on the x-axis and the change in [[mass]] of plant tissue on the y-axis.

@@ Line 8: / Line 8: @@
 *[[Control Variable]]s - Volume of plant tissue. Surface area of plant tissue. Length of time the plant tissue is left in solution. Temperature of the solution.
 ====Method====
-#Cut 6 equal volumes of plant tissue (potato).
+{| class="wikitable"
-#Dry the plant tissue with paper towel and measure the mass of each piece, noting it down.
+|-
-#Use a [[Measuring Cylinder]] to measure 10cm<sup>3</sup> of 1.0M [[sugar]] [[solution]] and pour it into a [[Boiling Tube]].
+|[[File:OsmosisPractical1.png|center|600px]]
-#Repeat step 3 with 8cm<sup>3</sup> of [[sugar]] [[solution]] and 2cm<sup>3</sup> of distilled water to give 0.8M [[sugar]] [[solution]], then 6cm<sup>3</sup> and 4cm<sup>3</sup> of distilled water to give 0.6M [[sugar]] [[solution]], repeating this pattern until there is 10cm<sup>3</sup> of 0.0M [[sugar]] [[solution]].
+|-
-#Place one piece of plant tissue into each of the 6 [[Boiling Tube|boiling tubes]] leaving them for 12-24 hours (ensuring it is the same time for all).
+| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of the equipment needed in this experiment.
-#Remove the pieces of plant tissue, drying them with a paper towel and measure their [[mass]].
+|}
-#Plot a graph showing the concentration of [[sugar]] [[solution]] on the x-axis and the change in [[mass]] of plant tissue on the y-axis.

@@ Line 4: / Line 4: @@
 ===Method===
 *[[Independent Variable]] - The concentration of [[sugar]] [[solution]].
-*[[Dependent Variable]] - The [[mass]] of [[plant tissue]] at the end.
+*[[Dependent Variable]] - The [[mass]] of [[plant]] [[tissue]] at the end.
 *[[Control Variable]]s - Volume of plant tissue. Surface area of plant tissue. Length of time the plant tissue is left in solution. Temperature of the solution.
 #Cut 11 equal volumes of plant tissue (potato).