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Version 2.0 Copyright © AQA and its licensors. All rights reserved. C1.7.2 The Earth’s Atmosphere
Using Exam pro items to support successful outcomes Version 2.0 Copyright © AQA and its licensors. All rights reserved. Learners will be able to test their progress against learning outcomes using questions from past AQA GCSE examinations
Foundation Tier ( C1 Jun 12, 2.) Version 2.0 Copyright © AQA and its licensors. All rights reserved.
Mark scheme- Foundation Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark (a) A- core B- mantle C- crust (b)Any 2 from: Carbon dioxide dissolves / absorbs in water / oceans Plants/ algae photosynthesise / absorb/ use carbon dioxide Marine organisms use ( dissolved) carbon dioxide to form their shells / skeletons Or limestone was formed from shells / skeletons of marine organisms allow reacts with water Accept remains in plants / algae / marine organisms contain locked up carbon dioxide / carbon in the form of fossil fuels Do not accept plants use carbon dioxide for respiration Accept carbon dioxide becomes locked up in sedimentary rocks / carbonates / limestone Precipitation or formation of insoluble carbonates 2 Total 5
Higher Tier ( C1 Jun 12, 4.) Version 2.0 Copyright © AQA and its licensors. All rights reserved.
Use the information on the last two slides to answer these questions Version 2.0 Copyright © AQA and its licensors. All rights reserved.
Mark scheme- Higher Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark (a) Any 2 from: Carbon dioxide dissolves in water / oceans Marine organisms use ( dissolved) carbon dioxide to form their shells / skeletons Or limestone was formed from the shells / skeleton of marine organisms Plants ;/ algae photosynthesise / absorb / use carbon dioxide Accept carbon dioxide becomes locked up in sedimentary rocks / carbonates/ limestone Or Precipitation or formation of insoluble carbonates Accept remains of plants / algae / marine organisms contain locked up carbon dioxide / carbon in the form of fossil fuels Do not accept plants use carbon dioxide for respiration 2 (b)(i)Because these gases / molecules contain the elements / atoms in amino acids Or the gases / they contain carbon, hydrogen and nitrogen Ignore oxygen 1
Mark scheme- Higher Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark (b)(ii) Any 2 from Nobody knows what was in the Earth's early atmosphere There may not have been ( continuous) lightning Miller and Urey selected only the gases needed to produce amino acids Ignore small scale / timescale Ignore references to water / oceans or other theories Accept these gases / hydrogen / methane/ ammonia may not have been in the Earth's early atmosphere Accept carbon dioxide / nitrogen may have been in the Earth's early atmosphere Accept reference to Venus’ present atmosphere 2 Total 5
Version 2.0 Copyright © AQA and its licensors. All rights reserved. C (ii) Quantitative Chemistry.
P1.1.3 Energy transfer by heating GCSE items that can be used to define successful outcomes for peer and self assessment activities.
Mr Powell 2012 Index Connection Connect your learning to the content of the lesson Share the process by which the learning will actually take place Explore.
B1.5 Energy and biomass in food chains GCSE items that can be used to define successful outcomes for peer and self assessment activities.
Formation of Calcium Carbonate Investigation 5: Limestone Earth History Grade 6.
Cycles of Matter. Unlike the one-way flow of energy, matter is recycled within and between ecosystems. Elements pass from one organism to another and.
Organisms are mainly composed of C, H, O & N Living organisms also contain S and P as well as several other elements These elements compose the macromolecules.
How Does Nature Recycle Nutrients?. What is the Nitrogen Cycle? Facts: Facts: Nitrogen (N) is an essential constituent of protein, DNA, RNA, and chlorophyll.
Cycles Water, Carbon, Nitrogen Oxygen and Phosphorus.
13/01/2014 Air Quality W Richards The Weald School (OCR 21 st Century)
Click on a lesson name to select. Chapter 14 The History of Life Section 1: Fossil Evidence of Change Section 2: The Origin of Life.
3.4 Workbook Review *Vocab *Key Questions (at top of wkbk) *What is important about each cycle?
Evolution: Patterns of Change over Time. BIOLOGY STANDARD SB5. Students will evaluate the role of natural selection in the development of the theory of.
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu To View the presentation as a slideshow with effects select View.
(Pflueger ). Today’s Objectives Students will be able to: 1. Discuss how we have arrived at the current atmosphere from the original atmosphere. 2. Compare.
Cycles of Matter December 7 th, Energy Energy is crucial to an ecosystem but organisms need more than energy to survive. 95% of the body is made.
Astronomy: the science of the stars Warming up and reading.
Cycles of Matter. Cycles of Matter: Why? Because we have a fixed amount of STUFF (matter) on this planet, and no new stuff is being added from the universe.
Chapter 19. Section 1: How Did Life Begin? Preview Bellringer Key Ideas The Basic Chemicals of Life Lifes Building Blocks The First Cells Summary.
The History of Life & the Origin of Species Georgia Performance Standards: SB5a: Trace the history of the theory of evolution. SB5 c: Explain how fossil.
When a substance undergoes a chemical change, it takes part in a chemical reaction. Recognizing Chemical Reactions Chemical Reactions and Equations: Basic.
Global Carbon Cycle 7. b. Students know the global carbon cycle: the different physical and chemical forms of carbon in the atmosphere, oceans, biomass,
Acid rain and pollution. Acid rain Rain is naturally acidic (pH 5.6) because it mixes with CO 2 making water acidic Rain is naturally acidic (pH 5.6)
Earths 4 Spheres air life water earth/rocks The Water Cycle.
Topic 8 Topic 8 Topic 8: Chemical Reactions and Equations Table of Contents Topic 8 Topic 8 Basic Concepts Additional Concepts.
Chapter 5: The Biogeochemical Cycles. Biogeochemical Cycles A biogeochemical cycle is the complete path a chemical takes through the four major components.
How did life begin on Earth ? The Bible teaches that God created all life on earth. But evolution teaches that life started by a purely natural process.
Oxygen Cycle. Required for Life All living things use oxygen or depend on organisms that use oxygen in some way.
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