- Study guides, Class notes & Summaries

This applies to questions requiring a set number of responses, but for which students have provided extra responses. The general principle to be followed in such a situation is that ‘right + wrong = wrong’. Each error/contradiction negates each correct response. So, if the number of error/contradictions equals or exceeds the number of marks available for the question, no marks can be awarded. However, responses considered to be neutral (indicated as * in example 1) are not penalised. E...

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20 pages

Written in 2020/2021

Grade A+

QuickA

Question: How do Cepheids allow astronomers to measure intergalactic distances? 1. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left section of the Andromeda Galaxy. Click the Collect data button. You will see a graph of the apparent brightness of the star over time. A. How does the star’s apparent brightness change over time? B. Turn on Show time probes. Set the left probe at the first brightness peak, and the right probe at the second brightness...

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10 pages

Written in 2021/2022

Grade A

Smartdove

A complete guide to AQA A-Level Physics Paper 3: Astrophysics (Section A). Covering stellar properties, cosmology, telescopes, and exam structure with revision notes, key equations, and past paper practice.

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16 pages

Written in 2025/2026

Grade A+

ExamGeniusStuvia

Aqa Gcse Biology Paper 2 Qp June 2020

5.0

(2)

44 pages

Written in 2021/2022

Grade A

MBOFFIN

Question: How do Cepheids allow astronomers to measure intergalactic distances? 1. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left section of the Andromeda Galaxy. Click the Collect data button. You will see a graph of the apparent brightness of the star over time. A. How does the star’s apparent brightness change over time? B. Turn on Show time probes. Set the left probe at the first brightness peak, and the right probe at the second brightness...

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10 pages

Written in 2021/2022

Grade A

Smartdove

AQA GCSE BIOLOGY Foundation Tier Paper 2F

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44 pages

Written in 2021/2022

Grade A+

Accurate

AQA GCSE BIOLOGY 8461/1H Paper 1 Higher Tier Mark scheme June 2020

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24 pages

Written in 2021/2022

Grade A+

Accurate

GCSE BIOLOGY 8461/1H Paper 1 Higher Tier Mark scheme June 2020

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24 pages

Written in 2021/2022

Grade A+

Accurate

GCSE BIOLOGY Foundation Tier Paper 2F 2020

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44 pages

Written in 2021/2022

Grade A+

Nechemia17

AQA GCSE BIOLOGY 8461/2F Paper 2 Foundation Tier Mark scheme June 2020

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23 pages

Written in 2021/2022

Grade A

Nipsey

Aqa Gcse Physics Paper 1 Qp 2020

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44 pages

Written in 2021/2022

Grade A

Nipsey

Aqa Gcse Biology Tier Paper 2 Qp 2020

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44 pages

Written in 2021/2022

Grade A

Nipsey

Aqa Gcse Biology 8461&Sol;1H Paper 1 Higher Tier Marking Scheme 2020

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24 pages

Written in 2021/2022

Grade A

Nipsey

Aqa Gcse Physics 8463&Sol;1H Paper 1 Higher Tier Marking Scheme 2020

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20 pages

Written in 2021/2022

Grade A

Nipsey

AQA PHYSICS 2020-2021 GCSE PHYSICS 8463/1H Paper 1 Higher Tier

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20 pages

Written in 2020/2021

Grade A

PossibleA

GCSE PHYSICS 8463/1H Paper 1 Higher Tier questions with answers

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20 pages

Written in 2020/2021

Grade A+

PossibleA

Both Question Paper &Amp; Marking Scheme

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2 items

theguide2021

GCSE BIOLOGY 8461/1H Paper 1 2020

5.0

(3)

49 pages

Written in 2021/2022

Grade A+

theguide2021

GCSE BIOLOGY 8461/1H Paper 1 2020 Marking Scheme

5.0

(1)

24 pages

Written in 2021/2022

Grade A+

theguide2021

Aqa A Level Physics Astrophysics Section A Paper 3 Qp 2020

5.0

(1)

29 pages

Written in 2020/2021

Grade A

Nipsey