B1 C1 P1 REVISION QUIZ!

B1 You and Your Genes 1.Put these words in the correct order of their size from smallest to largest.

B1 You and Your Genes 2. Place the following characteristics into the correct category. EYE COLOUR, SCAR, NATURAL HAIR COLOUR BLOOD GROUP, TATTOOS, PIERCINGS InheritedEnvironmental

B1 You and Your Genes 3. Complete the diagram below to show how identical twins are formed. SPERM CELL EGG CELL FERTILISATION FERTILISED EGG CELL …?

B1 You and Your Genes 4. Identical twins and spider plants are examples of natural clones. Write a definition for the word ‘clone’.

B1 You and Your Genes 5. Chromosome numbers! How many chromosomes will the following human cells have? a)A male body cell? b)A male sex cell (sperm)? c)A female body cell? d)A female sex cell (egg)? e)A fertilised egg cell?

B1 You and Your Genes 6. Genetic diseases. a) This man has Huntington’s disease. Give two symptoms he may suffer from. b) This young girl has cystic fibrosis. Give two symptoms she may suffer from.

B1 You and Your Genes 7. Male or female? What sex chromosome(s) would be in the nucleus of: a)A man’s body cell? b)An egg cell? c)A woman’s body cell? d)A sperm cell?

B1 You and Your Genes 8. Genetic cross diagrams (part 1). The height of these people is determined by two genes: T is dominant and produces tall people; t is recessive and produces short people. a)List the possible genotype(s) of Giant. b)List the possible genotype(s) of Shorty. Giant (male) Shorty (female)

B1 You and Your Genes 9. Genetic cross diagrams (part 2). Use your answers to 8a and 8b to help with these questions. Giant (male) Shorty (female) c)Giant has a gene pair that is homozygous. If he and Shorty were to have child, what would the childrens’ genotype be? d)What is the phenotype of the children?

B1 You and Your Genes 10. Genetic testing. Elaine and Peter are worried about the health of their unborn child as Elaine’s nephew has just been diagnosed with cystic fibrosis. a)Is there a chance that Elaine and Peter’s unborn child may have cystic fibrosis? b)How could they find out for sure? c)Give two ethical issues of choosing to find out for sure.

1. Composition of air. C1 Air Quality a)Name gases A and B. b)Name the main gas that makes up the ‘1% Other’ category. gas A gas B

2. The atmosphere of early Earth. C1 Air Quality For each of the following gases, state whether it is now present in a higher, lower or the same concentration in comparison to early Earth’s atmosphere. a)Carbon dioxide b)Water vapour c)Oxygen

3. Air pollutants C1 Air Quality a)Name these five air pollutants from their chemical symbols: SO 2, CO, CO 2, NO, NO 2 b)Name one air pollutant that can cause acid rain. c)Name one air pollutant that can change the amount of oxygen in the blood. d)Name one air pollutant, not listed above, that is deposited on surfaces, making them dirty.

4. Analysing data. Match the keyword to its definition. C1 Air Quality A. Accuracy D. Mean C. Range B. Outlier 1. Shows how close a result is to the true value. 4. The variation in a set of results, from the highest to the lowest. 3. A result that is very different to the others. 2. The best estimate calculated using a range of values.

5. Burning fuels C1 Air Quality a)Name the two products formed when natural gas (methane, CH 4 ) is burnt in plenty of oxygen. b)Name two other products also formed if the natural gas is burnt in a limited supply of oxygen. c)In car engines, nitrogen monoxide can also be formed, in addition to the four products above. Explain how the nitrogen monoxide is formed.

6. Particle diagrams and conservation of atoms. Complete the diagram below to show the products. [3] C1 Air Quality ++ MethaneOxygenCarbon dioxide Water C H H H H O O O O

7. Asthma C1 Air Quality a)Give two examples of things that may trigger an asthma attack. b)Scientists are still researching asthma to develop a full understanding of the condition. Why it is important that scientists publish their data and explanations?

8. Reducing pollutants from cars C1 Air Quality a)Which two pollutants are removed by catalytic converters? b)For each of pollutant, which less harmful gas is it converted into? c)Electric cars do not produce any pollutants when they are used. However, they are not considered to be totally pollution-free. Why?

1.Place these words in order of size, from the smallest to the largest. P1 The Earth in the Universe

2. Write definitions for these words a)Comet b)Asteroid c)Light year d)Black Hole P1 The Earth in the Universe

3. The start of the Universe a)State the approximate age of the Universe. b)State the approximate age of the Earth. c)Give one piece of evidence that supports the big bang theory. P1 The Earth in the Universe

4. Dating rocks. Use the diagram to answer the questions. P1 The Earth in the Universe a)Which letter represents the oldest layer of rock? b)Which letter represent the youngest layer of rock? c)Which of H or M is likely to be the youngest rock?

5. Continental drift. a)Name the scientist who came up with the theory of continental drift. b)Use the diagram on the right to give two pieces of evidence that support his theory. P1 The Earth in the Universe

6. Write down the keywords that fill the gaps. The Earth’s crust is made up of ____1_____ plates that flow very slowly over the layer beneath them, called the ___2___. The ocean floor continually grows wider where plates are moving ____3____. This is know as seafloor ____4______. Ocean floor is destroyed where plates are moving ______5______. Sometimes the meeting of two plates can result in rocks buckling and folding upwards to form ______6_______. The friction of plates moving side-by-side along fault lines can cause ______7_________. P1 The Earth in the Universe

7. Detecting Earthquakes. a)Draw a longitudinal wave (a P wave) b)Label it with compression, rarefaction and wavelength. c)Draw a transverse wave (an S wave) d)Label it with wavelength and amplitude. P1 The Earth in the Universe

8. Using waves. P1 The Earth in the Universe Scientist studies of the movement of seismic waves have informed us about the structure of the Earth. a)What does the S-wave shadow zone tell us about the structure of the core? b)Explain what causes the S-wave shadow zone.

B1 C1 P1 REVISION QUIZ! ANSWERS

B1 You and Your Genes 1.Put these words in the correct order of their size from smallest to largest.

B1 You and Your Genes 2. Place the following characteristics into the correct category. EYE COLOUR, SCAR, NATURAL HAIR COLOUR BLOOD GROUP, TATTOOS, PIERCINGS InheritedEnvironmental EYE COLOURSCAR NATURAL HAIR COLOUR TATTOOS BLOOD GROUPPIERCINGS

B1 You and Your Genes 3. Complete the diagram below to show how identical twins are formed. SPERM CELL EGG CELL FERTILISATION FERTILISED EGG CELL CELL SPLITS BABY

B1 You and Your Genes 4. Identical twins and spider plants are examples of natural clones. Write a definition for the word ‘clone’. Organisms / living things that are genetically identical / genetically the same / have the same genes.

B1 You and Your Genes 5. Chromosome numbers! How many chromosomes will the following human cells have? a)A male body cell? 46 b)A male sex cell (sperm)? 23 c)A female body cell? 46 d)A female sex cell (egg)? 23 e)A fertilised egg cell? 46

B1 You and Your Genes 6. Genetic diseases. a) This man has Huntington’s disease. Give two symptoms he may suffer from. b) This young girl has cystic fibrosis. Give two symptoms she may suffer from. Forgetfulness, memory loss, staggering, loss of balance, falling over. Thick mucus in lungs, breathlessness, regular chest infections, malnutrition, digestive problems

B1 You and Your Genes 6. Male or female? What sex chromosome(s) would be in the nucleus of: a)A man’s body cell? XY b)An egg cell? X c)A woman’s body cell? XX d)A sperm cell? X or Y

B1 You and Your Genes 7. Genetic cross diagrams (part 1). The height of these people is determined by two genes: T is dominant and produces tall people; t is recessive and produces short people. a)List the possible genotype(s) of Giant. TT or Tt b)List the possible genotype(s) of Shorty. tt Giant (male) Shorty (female)

B1 You and Your Genes 7. Genetic cross diagrams (part 2). Use your answers to 7a and 7b to help with these questions. Giant (male) Shorty (female) c)Giant has a gene pair that is homozygous. If he and Shorty were to have child, what would the childrens’ genotype be? All Tt d)What is the phenotype of the children? All tall

B1 You and Your Genes 8. Genetic testing. Elaine and Peter are worried about the health of their unborn child as Elaine’s nephew has just been diagnosed with cystic fibrosis. a)Is there a chance that Elaine and Peter’s unborn child may have cystic fibrosis? Yes b)How could they find out for sure? Genetic testing of foetus via amniocentesis or chorionic villus tests. c)Give two ethical issues of choosing to find out for sure. Tests carry small risk of miscarriage. Very small risk of infection. Results are not 100% (may get false negative or false positive). May have to choose whether to continue with pregnancy or have a termination. Etc.

1. Composition of air. C1 Air Quality a)Name gases A and B. A = nitrogen, B = oxygen b)Name the main gas that makes up the ‘1% Other’ category. Argon. gas A gas B

2. The atmosphere of early Earth. C1 Air Quality For each of the following gases, state whether it is now present in a higher, lower or the same concentration in comparison to early Earth’s atmosphere. a)Carbon dioxide LOWER b)Water vapour LOWER c)Oxygen HIGHER

3. Air pollutants C1 Air Quality a)Name these five air pollutants from their chemical symbols: SO 2 = sulphur dioxide, CO = carbon monoxide, CO 2 = carbon dioxide, NO = nitrogen monoxide, NO 2 = nitrogen dioxide b)Name one air pollutant that can cause acid rain. Sulphur dioxide or nitrogen dioxide. c)Name one air pollutant that can change the amount of oxygen in the blood. Carbon monoxide. d)Name one air pollutant, not listed above, that is deposited on surfaces, making them dirty. carbon particulates.

4. Analysing data. Match the keyword to its definition. C1 Air Quality A. Accuracy D. Mean C. Range B. Outlier 1. Shows how close a result is to the true value. 4. The variation in a set of results, from the highest to the lowest. 3. A result that is very different to the others. 2. The best estimate calculated using a range of values.

5. Burning fuels C1 Air Quality a)Name the two products formed when natural gas (methane, CH 4 ) is burnt in plenty of oxygen. Carbon dioxide, water. b)Name two other products also formed if the natural gas is burnt in a limited supply of oxygen. Carbon monoxide, carbon particulates. c)In car engines, nitrogen monoxide can also be formed, in addition to the four products above. Explain how the nitrogen monoxide is formed. Formed when nitrogen in the air reacts with oxygen under high pressure and temperature in the car engine.

6. Particle diagrams and conservation of atoms. Complete the diagram below to show the products. C1 Air Quality ++ MethaneOxygenCarbon dioxide Water C H H H H C H H H H O O O O O O O O

8. Asthma C1 Air Quality a)Give two examples of things that may trigger an asthma attack. Tree or grass pollen, animal skin flakes, nuts, shellfish, air pollution, dust, getting emotional, stress, exercise, colds, etc. b)Scientists are still researching asthma to develop a full understanding of the condition. Why it is important that scientists publish their data and explanations? Other scientists can evaluate their claims, check their method of investigation, presentation of data, way they interpret data, conclusions. This is peer review.

9. Reducing pollutants from cars C1 Air Quality a)Which two pollutants are removed by catalytic converters? Carbon monoxide and nitrogen monoxide. b)For each of pollutant, which less harmful gas is it converted into? Carbon monoxide  carbon dioxide, nitrogen monoxide  nitrogen and oxygen. c)Electric cars do not produce any pollutants when they are used. However, they are not considered to be totally pollution-free. Why? Because production of electricity requires burning fossil fuels and therefore still produces pollutants.

1.Place these words in order of size, from the smallest to the largest. P1 The Earth in the Universe

2. Write definitions for these words a)Comet = large ball of dust and ice b)Asteroid = small and rocky orbiting the Sun in a band between Mars and Jupiter. c)Light year = a unit of distance used by astronomers. The distance that light travels in a year d)Black Hole = Area of space where gravity is so great not even light can escape. P1 The Earth in the Universe

4. The start of the Universe a)State the approximate age of the Universe. 13,700 million years old. b)State the approximate age of the Earth. 4,500 million years old. c)Give one piece of evidence that supports the big bang theory. Galaxies are moving away from each other. Universe is getting bigger. Space is expanding. Red shift. Presence of cosmic microwave background radiation. Oldest stars are younger than predicted age of Universe. Etc. P1 The Earth in the Universe

5. Dating rocks. Use the diagram to answer the questions. P1 The Earth in the Universe a)Which letter represents the oldest layer of rock? I b)Which letter represent the youngest layer of rock? R c)Which of H or M is likely to be the youngest rock? H

6. Continental drift. a)Name the scientist who came up with the theory of continental drift. Wegener. b)Use the diagram on the right to give two pieces of evidence that support his theory. Continents fit like a jigsaw. Fossils found on different continents are identical. Rock types found on different continents are identical. P1 The Earth in the Universe

7. Write down the keywords that fill the gaps. The Earth’s crust is made up of 1. tectonic plates that flow very slowly over the layer beneath them, called the 2. mantle. The ocean floor continually grows wider where plates are moving 3. apart. This is know as seafloor 4. spreading. Ocean floor is destroyed where plates are moving 5. towards each other. Sometimes the meeting of two plates can result in rocks buckling and folding upwards to form 6. mountains. The friction of plates moving side-by-side along fault lines can cause 7. earthquakes. P1 The Earth in the Universe

8. Detecting Earthquakes. a)Draw a longitudinal wave (a P wave) b)Label it with compression, rarefaction and wavelength. c)Draw a transverse wave (an S wave) d)Label it with wavelength and amplitude. P1 The Earth in the Universe Frequency – number of waves per second.

10. Using waves. P1 The Earth in the Universe Scientist studies of the movement of seismic waves have informed us about the structure of the Earth. a)What does the S-wave shadow zone tell us about the structure of the core? It is liquid. b)Explain what causes the S- wave shadow zone. S waves cannot travel through liquid.