Biology egg question gcse, Cheat Sheet of Biology

Download Biology egg question gcse and more Cheat Sheet Biology in PDF only on Docsity! 16 A student carried out an investigation using chicken eggs. This is the method used. 1. Place 5 eggs in acid for 24 hours to dissolve the egg shell. . Measure and record the mass of each egg. 2 3. Place each egg into a separate beaker containing 200 cm! of distilled water. 4 . After 20 minutes, remove the eggs from the beakers and dry them gently with a paper towel. 5. Measure and record the mass of each egg. Table 4 shows the results. Table 4 a |S | See 1 73.5 770 2 70.3 739 3 724 75.7 4 71.6 73.1 5 70.5 73.8 Do nat write ‘outside the box [o[4].[4] Another student suggested that the result for egg 4 was anomalous. Do you agree with the student? Give a reason for your answer. [4 mark] (o[4].[3] Explain why the masses of the eggs increased. [3 marks] (o]4].[4] Explain how the student could modify the investigation to determine the concentration of the solution inside each egg. [3 marks] Turn over ye IBIMIJunt818461/1