AO / Question Answers Extra information Marks Spec ref. 01.1 chemical, thermal 1 AO1 gravitational potential, kinetic 1 P1.1 chemical, kinetic 1 01.2 chemical 1 AO1 P1.1 01.3 Accept 225 with no 1 AO2 working shown for 2 225 P1.1.5 marks. W 1 1 02.1 2. Record the temperature rise on the 1 AO2 thermometer after 5 minutes. 1 WS 2.2 3. Repeat the test using lamps 2, 3 1 and 4. 4. Record results in a table. 02.2 type of lamp 1 AO3 WS 2.2 02.3 final temperature 1 AO3 WS 2.2 02.4 to ensure the lamp is kept the same Fair test is insufficient. 1 AO3 distance from the thermometer, or as WS 2.2 a control variable 02.5 1 AO3 0.5 C /– WS 2.4 02.6 Do not award second mark 1 AO2 if more than one box 0.74 P1.1.2 ticked. 1 03.1 change of gravitational potential Accept 1 AO1 = m g ΔE Δh energy store mass gravitational  P1.1.2 field strength change in height 03.2 550 9.8 16 Accept 86 240 with no 1 AO2 working shown for 2 86 240 (J) 1 P1.1.2 marks. 1 03.3 Accept = 1 AO1 kinetic energy mass speed2  Ek m v2 P1.1.2 03.4 0.5 2 6.82 Accept 46.24 J with no 1 AO2 working shown for 2 46.24 (J) 1 P1.1.2 marks.
Question Answers Extra information Marks AO / Spec ref. 01.1 chemical, thermal gravitational potential, kinetic chemical, kinetic 1 1 1 AO1 P1.1 01.2 chemical 1 AO1 P1.1 01.3 225 W Accept 225 with no working shown for 2 marks. 1 1 1 AO2 P1.1.5 02.1 2. Record the temperature rise on the thermometer after 5 minutes. 3. Repeat the test using lamps 2, 3 and 4. 4. Record results in a table. 1 1 1 AO2 WS 2.2 02.2 type of lamp 1 AO3 WS 2.2 02.3 final temperature 1 AO3 WS 2.2 02.4 to ensure the lamp is kept the same distance from the thermometer, or as a control variable Fair test is insufficient. 1 AO3 WS 2.2 02.5 /– 0.5 C 1 AO3 WS 2.4 02.6 0.74 Do not award second mark if more than one box ticked. 1 1 AO2 P1.1.2 03.1 change of gravitational potential energy store  mass gravitational field strength change in height Accept ΔE = m g Δh 1 AO1 P1.1.2 03.2 550 9.8 16 86 240 (J) Accept 86 240 with no working shown for 2 marks. 1 1 1 AO2 P1.1.2 03.3 kinetic energy  mass speed2 Accept Ek = m v2 1 AO1 P1.1.2 03.4 0.5 2 6.82 46.24 (J) Accept 46.24 J with no working shown for 2 marks. 1 1 AO2 P1.1.2