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SATs Revision quiz
Which part of a plant cell is made of cellulose? <ul><li>Answer </li></ul><ul><li>Cell wall </li></ul>
Name the three parts of an animal cell? <ul><li>Answers </li></ul><ul><li>Cell membrane </li></ul><ul><li>Cytoplasm </li><...
Name three organelles only found in plant cells?  <ul><li>Answers </li></ul><ul><li>Cell wall </li></ul><ul><li>Chloroplas...
How do root cells differ from leaf cells? <ul><li>Answer </li></ul><ul><li>Chloroplasts </li></ul>
What would plant cells be unable to do without chloroplasts? <ul><li>Answer </li></ul><ul><li>Photosynthesis </li></ul><ul...
Which part of the cell is described as the control centre? <ul><li>Answer </li></ul><ul><li>Nucleus </li></ul>
What would happen to a plant if it lost water from its vacuole? <ul><li>Answer </li></ul><ul><li>It would wilt </li></ul>
Where in the cell do you find the cell sap? <ul><li>Answer </li></ul><ul><li>The vacuole </li></ul>
Which parts of an animal cell have a membrane surrounding them? <ul><li>Answers </li></ul><ul><li>The cell (cell membrane)...
Match the cell to the activity? <ul><li>Question  Movement  </li></ul><ul><li>Answer  Muscle </li></ul><ul><li>Question  C...
Which class of food provides materials for body building? <ul><li>Answer </li></ul><ul><li>Proteins </li></ul>
Give two foods rich in proteins <ul><li>Answer </li></ul><ul><li>Fish </li></ul><ul><li>Meat </li></ul>
Which class of food is easy to store in the body as an energy reserve? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
Which is the main class of food found in bread? <ul><li>Answer </li></ul><ul><li>Carbohydrate </li></ul>
Which is the main class of food found in chicken? <ul><li>Answer </li></ul><ul><li>Protein </li></ul>
Which is the main class of food found in butter? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
Why can food be described as our fuel? <ul><li>Answer </li></ul><ul><li>Because we use it to release energy </li></ul>
Explain why milk can described as an all- purpose food source? <ul><li>Answer </li></ul><ul><li>Because it contains protei...
What class of food might cause malnutrition and make you overweight? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
Why might a person with a job involving a lot of muscular effort need more carbohydrate? <ul><li>Answer </li></ul><ul><li>...
Sailors who went on long voyages in the 18 th  Century suffered from scurvy, why? <ul><li>Answer </li></ul><ul><li>Lack of...
What is starvation? <ul><li>Answer </li></ul><ul><li>This is when you do not have enough food to provide the body with ene...
What is malnutrition? <ul><li>Answer </li></ul><ul><li>This is where you are not eating a balanced diet giving you all you...
What happens to food when it is digested? <ul><li>Answer </li></ul><ul><li>It is broken down into small food units such as...
Why does food have to be digested? <ul><li>Answer </li></ul><ul><li>To make it soluble so that it can pass into the blood ...
What is used in chemical digestion that is not used in mechanical digestion? <ul><li>Answer </li></ul><ul><li>Digestive en...
In humans, where does mechanical and chemical breakdown occur at the same time ? <ul><li>Answer </li></ul><ul><li>In the m...
Why are red blood cells important? <ul><li>Answer </li></ul><ul><li>They carry oxygen to cells around the body </li></ul>
What useful materials does plasma carry to the cells? <ul><li>Answer </li></ul><ul><li>Digested foods, vitamins, minerals ...
How is blood used in getting rid of waste? <ul><li>Answer </li></ul><ul><li>It transports urea to the kidneys and carbon d...
Give two ways in which blood protects you against disease? <ul><li>Answer </li></ul><ul><li>White blood cells fight infect...
List the jobs carried out by the skeleton? <ul><li>Answer </li></ul><ul><li>Protection </li></ul><ul><li>Movement </li></u...
What features are needed by all skeletons for them to be able to move? <ul><li>Answer </li></ul><ul><li>Joints </li></ul>
How does a ball and socket joint work? <ul><li>Answer </li></ul><ul><li>It has multidirectional movement </li></ul>
How does a hinge joint work? <ul><li>Answer </li></ul><ul><li>It only has movement in one plane only </li></ul>
What is the job of the ligaments? <ul><li>Answer </li></ul><ul><li>They hold the bones in place </li></ul>
What is the job of the tendons? <ul><li>Answer </li></ul><ul><li>They join muscle to bone </li></ul>
Give an example of a flexor muscle and explain? <ul><li>Answer </li></ul><ul><li>The bicep it bends the arm </li></ul>
Why are muscles arranged in antagonistic pairs? <ul><li>Answer </li></ul><ul><li>This is because one pulls one way and the...
Why is it an advantage for an animal to move? <ul><li>Answer </li></ul><ul><li>To be able to search for food and escape fr...
Where are human eggs stored before being released? <ul><li>Answer </li></ul><ul><li>In the ovaries </li></ul>
How many sperm are needed to fertilise an egg? <ul><li>Answer </li></ul><ul><li>one </li></ul>
Where does fertilisation take place? <ul><li>Answer </li></ul><ul><li>In the oviduct </li></ul>
What happens to the lining of the uterus just before the eggs are released? <ul><li>Answer </li></ul><ul><li>It becomes ri...
What happens to an egg if it is not fertilised? <ul><li>Answer </li></ul><ul><li>It passes out of the vagina with the lini...
How long is a complete menstrual cycle in a woman? <ul><li>Answer </li></ul><ul><li>About 28 days </li></ul>
What is the job of the amnion? <ul><li>Answer </li></ul><ul><li>It protects the embryo from jolts and bumps </li></ul>
What joins embryo to the placenta? <ul><li>Answer </li></ul><ul><li>The umbilical cord </li></ul>
What signs of puberty are the same for both boys and girls? <ul><li>Answer </li></ul><ul><li>Pubic hair </li></ul><ul><li>...
When does puberty begin for most girls? <ul><li>Answer </li></ul><ul><li>Between 12 and 14 </li></ul>
When does puberty begin for most boys? <ul><li>Answer </li></ul><ul><li>Between 13 and 15 </li></ul>
Describe two changes to boys during adolescence? <ul><li>Answer </li></ul><ul><li>The voice deepens </li></ul><ul><li>Pubi...
In the lungs,which gas is taken into the blood? <ul><li>Answer </li></ul><ul><li>Oxygen </li></ul>
In the lungs,which gas is taken out of the blood? <ul><li>Answer </li></ul><ul><li>Carbon dioxide </li></ul>
State the features of the alveoli that make them good at their job? <ul><li>Answer </li></ul><ul><li>Moist </li></ul><ul><...
What is the name of the process by which gases pass in and out of blood capillaries?  <ul><li>Answer </li></ul><ul><li>Dif...
Name three lung diseases caused by smoking?  <ul><li>Answers </li></ul><ul><li>Bronchitis </li></ul><ul><li>Emphysema </li...
Describe the lungs natural way of cleaning themselves?  <ul><li>Answers </li></ul><ul><li>Cilia trap dust and particles an...
What happens to the lungs of smokers?  <ul><li>Answers </li></ul><ul><li>Cilia cannot trap dust and particles because the ...
Name a disease caused by the tar in cigarettes?  <ul><li>Answers </li></ul><ul><li>Cancer </li></ul>
How can smokers damage the health of non-smokers?  <ul><li>Answers </li></ul><ul><li>Tobacco smoke can be inhaled by anyon...
What is the difference between the terms respiration and breathing?  <ul><li>Answers </li></ul><ul><li>Respiration is the ...
Where does respiration take place?  <ul><li>Answer </li></ul><ul><li>In all living cells </li></ul>
State two ways in which aerobic respiration differs from anaerobic respiration?  <ul><li>Answers </li></ul><ul><li>Aerobic...
Where does respiration take place?  <ul><li>Answer </li></ul><ul><li>In all living cells </li></ul>
Name a breathing surface that some animals use instead of lungs?  <ul><li>Answers </li></ul><ul><li>Gills (fish) </li></ul...
What chemical carries oxygen in the red blood cells?  <ul><li>Answer </li></ul><ul><li>Haemoglobin </li></ul>
What is meant by diffusion? <ul><li>Answer </li></ul><ul><li>A random movement of molecules from high concentration to low...
Complete the word equation  Oxygen + Haemoglobin   ? <ul><li>Answer </li></ul><ul><li>Oxyhaemoglobin </li></ul>
How much oxygen in the air breathed in? <ul><li>Answer </li></ul><ul><li>21% </li></ul>
How much oxygen in the air breathed out? <ul><li>Answer </li></ul><ul><li>16% </li></ul>
How much carbon dioxide in the air breathed in? <ul><li>Answer </li></ul><ul><li>0.04% </li></ul>
How much carbon dioxide in the air breathed out? <ul><li>Answer </li></ul><ul><li>5% </li></ul>
Why is it dangerous to drive a car after alcohol? <ul><li>Answer  </li></ul><ul><li>Alcohol slows down the reactions of th...
What is meant by the word drug? <ul><li>Answer  </li></ul><ul><li>A chemical that alter behaviour and chemical reaction wi...
What is meant by the the term addiction? <ul><li>Answer  </li></ul><ul><li>This is when a person becomes so dependent on a...
Which system of the body is affected by all drugs? <ul><li>Answer  </li></ul><ul><li>The nervous system </li></ul>
What types of cells are responsible for natural immunity? <ul><li>Answer </li></ul><ul><li>White blood cells </li></ul>
What do these cells produce to react with antigens found on the microbes? <ul><li>Answer </li></ul><ul><li>Antibodies </li...
What is meant by the term pathogen? <ul><li>Answer </li></ul><ul><li>A disease causing microbe </li></ul><ul><li>Example: ...
Give the name of common childhood disease that rarely causes the disease twice? <ul><li>Answer </li></ul><ul><li>Chikenpox...
Name two diseases that can be avoided by immunising with a weakened microbe? <ul><li>Answers </li></ul><ul><li>Tuberculosi...
Name two diseases that can be avoided by immunising with a dead microbe? <ul><li>Answers </li></ul><ul><li>Whooping cough ...
What disease has been totally eliminated from the world as a result of mass immunisation? <ul><li>Answer </li></ul><ul><li...
What does an antigen react with to produce immunity? <ul><li>Answer </li></ul><ul><li>An antibody </li></ul>
Name three chemicals needed for photosynthesis? <ul><li>Answers </li></ul><ul><li>Carbon dioxide </li></ul><ul><li>Water <...
What is the main energy change in photosynthesis? <ul><li>Answer </li></ul><ul><li>Light energy to chemical energy </li></ul>
Which of the chemicals needed for photosynthesis are found in the soil? <ul><li>Answer </li></ul><ul><li>Water </li></ul>
Which of the chemicals needed for photosynthesis are found in the air? <ul><li>Answer </li></ul><ul><li>Carbon dioxide </l...
Give two examples of plant organs? <ul><li>Answers </li></ul><ul><li>Leaf </li></ul><ul><li>Stem  </li></ul><ul><li>Root <...
What has to happen to a cell before it grows into a tissue? <ul><li>Answers </li></ul><ul><li>It has to divide </li></ul>
What do we call the change from solid to liquid? <ul><li>Answers </li></ul><ul><li>Melting </li></ul>
What do we call the change from liquid to a gas? <ul><li>Answers </li></ul><ul><li>Evaporation (boiling) </li></ul>
What do we call the change from gas to liquid? <ul><li>Answers </li></ul><ul><li>Condensation </li></ul>
What do we call the change from liquid in to a solid  <ul><li>Answers </li></ul><ul><li>Freezing (solidification) </li></ul>
When salt dissolves in water it forms a ? <ul><li>Answers </li></ul><ul><li>Solution </li></ul>
The salt that dissolves is called ? <ul><li>Answers </li></ul><ul><li>Solute </li></ul>
The water that the salt dissolves in is called the? <ul><li>Answers </li></ul><ul><li>Solvent </li></ul>
If we add more salt or less water we say that the solution is? <ul><li>Answers </li></ul><ul><li>Concentrated </li></ul>
If a substance will not dissolve we say it is ? <ul><li>Answers </li></ul><ul><li>insoluble </li></ul>
All elements have a chemical symbol, what is the symbol for gold ? <ul><li>Answers </li></ul><ul><li>Au (aurum) </li></ul>
All elements have a chemical symbol, what is the symbol for Copper ? <ul><li>Answers </li></ul><ul><li>Cu (cuprum) </li></ul>
All elements have a chemical symbol, what is the symbol for Silver ? <ul><li>Answers </li></ul><ul><li>Ag (Argentinium) </...
All elements have a chemical symbol, what is the symbol for Carbon ? <ul><li>Answers </li></ul><ul><li>C </li></ul>
All elements have a chemical symbol, what is the symbol for Aluminium ? <ul><li>Answers </li></ul><ul><li>Al </li></ul>
The symbol is Pb what is the element ? <ul><li>Answers </li></ul><ul><li>Lead (plumbumium) </li></ul>
The symbol is Na what is the element ? <ul><li>Answers </li></ul><ul><li>Sodium (Natrium) </li></ul>
The symbol is Li what is the element ? <ul><li>Answers </li></ul><ul><li>Lithium </li></ul>
The symbol is F what is the element ? <ul><li>Answers </li></ul><ul><li>Fluorine </li></ul>
The formula is CO 2  what is the Compound ? <ul><li>Answers </li></ul><ul><li>Carbon dioxide </li></ul>
The formula is NH 3  what is the Compound ? <ul><li>Answers </li></ul><ul><li>Ammonia </li></ul>
The formula is HCl what is the Compound ? <ul><li>Answers </li></ul><ul><li>Hydrochloric acid </li></ul>
The formula is H 2 SO 4  what is the Compound ? <ul><li>Answers </li></ul><ul><li>Sulphuric acid </li></ul>
The formula is HNO 3  what is the Compound ? <ul><li>Answers </li></ul><ul><li>Nitric acid </li></ul>
How can we separate coloured mixtures? <ul><li>Answers </li></ul><ul><li>Chromatography </li></ul>
How can we separate mixtures with different boiling points? <ul><li>Answers </li></ul><ul><li>Distillation </li></ul>
How can we separate mixtures with different solubility's? <ul><li>Answers </li></ul><ul><li>Filtration </li></ul>
What do we make when we burn magnesium in oxygen? <ul><li>Answers </li></ul><ul><li>Magnesium oxide </li></ul>
What do we make when we mix zinc with hydrochloric acid? <ul><li>Answers </li></ul><ul><li>Zinc chloride + Hydrogen </li><...
What do we make when we mix an acid with an alkali? <ul><li>Answers </li></ul><ul><li>Salt + Water </li></ul>
What do we make when we mix a reactive metal with an acid? <ul><li>Answers </li></ul><ul><li>Metal hydroxide + Hydrogen </...
What do we make when we mix a reactive metal like zinc with steam? <ul><li>Answers </li></ul><ul><li>Zinc oxide + Hydrogen...
What do we call the hydroxides and oxides of metals? <ul><li>Answers </li></ul><ul><li>Bases </li></ul>
What is the combustion formula, Fuel + Oxygen   <ul><li>Answers </li></ul><ul><li>Carbon dioxide + Water + Heat </li></ul>
What does carbon, sulphur or nitrogen dioxides make in water? <ul><li>Answers </li></ul><ul><li>Acid rain </li></ul>
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Satsrevision

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Transcript of "Satsrevision"

  1. 1. SATs Revision quiz
  2. 2. Which part of a plant cell is made of cellulose? <ul><li>Answer </li></ul><ul><li>Cell wall </li></ul>
  3. 3. Name the three parts of an animal cell? <ul><li>Answers </li></ul><ul><li>Cell membrane </li></ul><ul><li>Cytoplasm </li></ul><ul><li>Nucleus </li></ul>
  4. 4. Name three organelles only found in plant cells? <ul><li>Answers </li></ul><ul><li>Cell wall </li></ul><ul><li>Chloroplasts </li></ul><ul><li>Vacuole </li></ul>
  5. 5. How do root cells differ from leaf cells? <ul><li>Answer </li></ul><ul><li>Chloroplasts </li></ul>
  6. 6. What would plant cells be unable to do without chloroplasts? <ul><li>Answer </li></ul><ul><li>Photosynthesis </li></ul><ul><li>Make glucose for energy </li></ul>
  7. 7. Which part of the cell is described as the control centre? <ul><li>Answer </li></ul><ul><li>Nucleus </li></ul>
  8. 8. What would happen to a plant if it lost water from its vacuole? <ul><li>Answer </li></ul><ul><li>It would wilt </li></ul>
  9. 9. Where in the cell do you find the cell sap? <ul><li>Answer </li></ul><ul><li>The vacuole </li></ul>
  10. 10. Which parts of an animal cell have a membrane surrounding them? <ul><li>Answers </li></ul><ul><li>The cell (cell membrane) </li></ul><ul><li>The nucleus (nuclear membrane) </li></ul>
  11. 11. Match the cell to the activity? <ul><li>Question Movement </li></ul><ul><li>Answer Muscle </li></ul><ul><li>Question Carrying oxygen </li></ul><ul><li>Answer Red blood cell </li></ul><ul><li>Question Carrying water </li></ul><ul><li>Answer Xylem </li></ul><ul><li>Question Sensitivity </li></ul><ul><li>Answer Nerve </li></ul>
  12. 12. Which class of food provides materials for body building? <ul><li>Answer </li></ul><ul><li>Proteins </li></ul>
  13. 13. Give two foods rich in proteins <ul><li>Answer </li></ul><ul><li>Fish </li></ul><ul><li>Meat </li></ul>
  14. 14. Which class of food is easy to store in the body as an energy reserve? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
  15. 15. Which is the main class of food found in bread? <ul><li>Answer </li></ul><ul><li>Carbohydrate </li></ul>
  16. 16. Which is the main class of food found in chicken? <ul><li>Answer </li></ul><ul><li>Protein </li></ul>
  17. 17. Which is the main class of food found in butter? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
  18. 18. Why can food be described as our fuel? <ul><li>Answer </li></ul><ul><li>Because we use it to release energy </li></ul>
  19. 19. Explain why milk can described as an all- purpose food source? <ul><li>Answer </li></ul><ul><li>Because it contains protein, carbohydrate, fat, minerals, vitamins and water. </li></ul>
  20. 20. What class of food might cause malnutrition and make you overweight? <ul><li>Answer </li></ul><ul><li>Fat </li></ul>
  21. 21. Why might a person with a job involving a lot of muscular effort need more carbohydrate? <ul><li>Answer </li></ul><ul><li>For more energy </li></ul>
  22. 22. Sailors who went on long voyages in the 18 th Century suffered from scurvy, why? <ul><li>Answer </li></ul><ul><li>Lack of vitamin C from fresh citrus fruit </li></ul>
  23. 23. What is starvation? <ul><li>Answer </li></ul><ul><li>This is when you do not have enough food to provide the body with energy </li></ul>
  24. 24. What is malnutrition? <ul><li>Answer </li></ul><ul><li>This is where you are not eating a balanced diet giving you all your daily requirements </li></ul>
  25. 25. What happens to food when it is digested? <ul><li>Answer </li></ul><ul><li>It is broken down into small food units such as glucose, amino acids or fatty acids </li></ul>
  26. 26. Why does food have to be digested? <ul><li>Answer </li></ul><ul><li>To make it soluble so that it can pass into the blood </li></ul>
  27. 27. What is used in chemical digestion that is not used in mechanical digestion? <ul><li>Answer </li></ul><ul><li>Digestive enzymes </li></ul>
  28. 28. In humans, where does mechanical and chemical breakdown occur at the same time ? <ul><li>Answer </li></ul><ul><li>In the mouth </li></ul>
  29. 29. Why are red blood cells important? <ul><li>Answer </li></ul><ul><li>They carry oxygen to cells around the body </li></ul>
  30. 30. What useful materials does plasma carry to the cells? <ul><li>Answer </li></ul><ul><li>Digested foods, vitamins, minerals and hormones </li></ul>
  31. 31. How is blood used in getting rid of waste? <ul><li>Answer </li></ul><ul><li>It transports urea to the kidneys and carbon dioxide to the lungs </li></ul>
  32. 32. Give two ways in which blood protects you against disease? <ul><li>Answer </li></ul><ul><li>White blood cells fight infection and platelets clot wounds </li></ul>
  33. 33. List the jobs carried out by the skeleton? <ul><li>Answer </li></ul><ul><li>Protection </li></ul><ul><li>Movement </li></ul><ul><li>Support </li></ul>
  34. 34. What features are needed by all skeletons for them to be able to move? <ul><li>Answer </li></ul><ul><li>Joints </li></ul>
  35. 35. How does a ball and socket joint work? <ul><li>Answer </li></ul><ul><li>It has multidirectional movement </li></ul>
  36. 36. How does a hinge joint work? <ul><li>Answer </li></ul><ul><li>It only has movement in one plane only </li></ul>
  37. 37. What is the job of the ligaments? <ul><li>Answer </li></ul><ul><li>They hold the bones in place </li></ul>
  38. 38. What is the job of the tendons? <ul><li>Answer </li></ul><ul><li>They join muscle to bone </li></ul>
  39. 39. Give an example of a flexor muscle and explain? <ul><li>Answer </li></ul><ul><li>The bicep it bends the arm </li></ul>
  40. 40. Why are muscles arranged in antagonistic pairs? <ul><li>Answer </li></ul><ul><li>This is because one pulls one way and the other pulls the other way </li></ul>
  41. 41. Why is it an advantage for an animal to move? <ul><li>Answer </li></ul><ul><li>To be able to search for food and escape from danger </li></ul>
  42. 42. Where are human eggs stored before being released? <ul><li>Answer </li></ul><ul><li>In the ovaries </li></ul>
  43. 43. How many sperm are needed to fertilise an egg? <ul><li>Answer </li></ul><ul><li>one </li></ul>
  44. 44. Where does fertilisation take place? <ul><li>Answer </li></ul><ul><li>In the oviduct </li></ul>
  45. 45. What happens to the lining of the uterus just before the eggs are released? <ul><li>Answer </li></ul><ul><li>It becomes richly supplied with blood </li></ul>
  46. 46. What happens to an egg if it is not fertilised? <ul><li>Answer </li></ul><ul><li>It passes out of the vagina with the lining of the uterus (menstruation) </li></ul>
  47. 47. How long is a complete menstrual cycle in a woman? <ul><li>Answer </li></ul><ul><li>About 28 days </li></ul>
  48. 48. What is the job of the amnion? <ul><li>Answer </li></ul><ul><li>It protects the embryo from jolts and bumps </li></ul>
  49. 49. What joins embryo to the placenta? <ul><li>Answer </li></ul><ul><li>The umbilical cord </li></ul>
  50. 50. What signs of puberty are the same for both boys and girls? <ul><li>Answer </li></ul><ul><li>Pubic hair </li></ul><ul><li>Hair under the armpits </li></ul><ul><li>Increase in growth rate </li></ul>
  51. 51. When does puberty begin for most girls? <ul><li>Answer </li></ul><ul><li>Between 12 and 14 </li></ul>
  52. 52. When does puberty begin for most boys? <ul><li>Answer </li></ul><ul><li>Between 13 and 15 </li></ul>
  53. 53. Describe two changes to boys during adolescence? <ul><li>Answer </li></ul><ul><li>The voice deepens </li></ul><ul><li>Pubic hair grows </li></ul><ul><li>Shoulders broaden </li></ul><ul><li>Penis enlarges </li></ul><ul><li>Hair under armpit </li></ul><ul><li>Testes enlarge </li></ul>
  54. 54. In the lungs,which gas is taken into the blood? <ul><li>Answer </li></ul><ul><li>Oxygen </li></ul>
  55. 55. In the lungs,which gas is taken out of the blood? <ul><li>Answer </li></ul><ul><li>Carbon dioxide </li></ul>
  56. 56. State the features of the alveoli that make them good at their job? <ul><li>Answer </li></ul><ul><li>Moist </li></ul><ul><li>Thin single celled wall </li></ul><ul><li>Large surface area </li></ul><ul><li>Rich supply of blood </li></ul>
  57. 57. What is the name of the process by which gases pass in and out of blood capillaries? <ul><li>Answer </li></ul><ul><li>Diffusion </li></ul>
  58. 58. Name three lung diseases caused by smoking? <ul><li>Answers </li></ul><ul><li>Bronchitis </li></ul><ul><li>Emphysema </li></ul><ul><li>Cancer </li></ul>
  59. 59. Describe the lungs natural way of cleaning themselves? <ul><li>Answers </li></ul><ul><li>Cilia trap dust and particles and prevent them from reaching the alveoli </li></ul>
  60. 60. What happens to the lungs of smokers? <ul><li>Answers </li></ul><ul><li>Cilia cannot trap dust and particles because the nicotine prevents the cilia from working properly </li></ul>
  61. 61. Name a disease caused by the tar in cigarettes? <ul><li>Answers </li></ul><ul><li>Cancer </li></ul>
  62. 62. How can smokers damage the health of non-smokers? <ul><li>Answers </li></ul><ul><li>Tobacco smoke can be inhaled by anyone near a smoker and cause lung cancer </li></ul>
  63. 63. What is the difference between the terms respiration and breathing? <ul><li>Answers </li></ul><ul><li>Respiration is the chemical release of energy </li></ul><ul><li>Breathing is the physical exchange of gases at a breathing surface by diffusion </li></ul>
  64. 64. Where does respiration take place? <ul><li>Answer </li></ul><ul><li>In all living cells </li></ul>
  65. 65. State two ways in which aerobic respiration differs from anaerobic respiration? <ul><li>Answers </li></ul><ul><li>Aerobic respiration uses more oxygen than anaerobic respiration </li></ul><ul><li>Aerobic respiration releases more energy </li></ul>
  66. 66. Where does respiration take place? <ul><li>Answer </li></ul><ul><li>In all living cells </li></ul>
  67. 67. Name a breathing surface that some animals use instead of lungs? <ul><li>Answers </li></ul><ul><li>Gills (fish) </li></ul><ul><li>Skin (frog) </li></ul>
  68. 68. What chemical carries oxygen in the red blood cells? <ul><li>Answer </li></ul><ul><li>Haemoglobin </li></ul>
  69. 69. What is meant by diffusion? <ul><li>Answer </li></ul><ul><li>A random movement of molecules from high concentration to low concentration </li></ul>
  70. 70. Complete the word equation Oxygen + Haemoglobin  ? <ul><li>Answer </li></ul><ul><li>Oxyhaemoglobin </li></ul>
  71. 71. How much oxygen in the air breathed in? <ul><li>Answer </li></ul><ul><li>21% </li></ul>
  72. 72. How much oxygen in the air breathed out? <ul><li>Answer </li></ul><ul><li>16% </li></ul>
  73. 73. How much carbon dioxide in the air breathed in? <ul><li>Answer </li></ul><ul><li>0.04% </li></ul>
  74. 74. How much carbon dioxide in the air breathed out? <ul><li>Answer </li></ul><ul><li>5% </li></ul>
  75. 75. Why is it dangerous to drive a car after alcohol? <ul><li>Answer </li></ul><ul><li>Alcohol slows down the reactions of the body </li></ul>
  76. 76. What is meant by the word drug? <ul><li>Answer </li></ul><ul><li>A chemical that alter behaviour and chemical reaction within the body </li></ul>
  77. 77. What is meant by the the term addiction? <ul><li>Answer </li></ul><ul><li>This is when a person becomes so dependent on a drug that their health and behaviour depend on that drug </li></ul>
  78. 78. Which system of the body is affected by all drugs? <ul><li>Answer </li></ul><ul><li>The nervous system </li></ul>
  79. 79. What types of cells are responsible for natural immunity? <ul><li>Answer </li></ul><ul><li>White blood cells </li></ul>
  80. 80. What do these cells produce to react with antigens found on the microbes? <ul><li>Answer </li></ul><ul><li>Antibodies </li></ul>
  81. 81. What is meant by the term pathogen? <ul><li>Answer </li></ul><ul><li>A disease causing microbe </li></ul><ul><li>Example: bacteria, viruses and some fungi </li></ul>
  82. 82. Give the name of common childhood disease that rarely causes the disease twice? <ul><li>Answer </li></ul><ul><li>Chikenpox </li></ul>
  83. 83. Name two diseases that can be avoided by immunising with a weakened microbe? <ul><li>Answers </li></ul><ul><li>Tuberculosis </li></ul><ul><li>Rubella </li></ul><ul><li>Polio </li></ul>
  84. 84. Name two diseases that can be avoided by immunising with a dead microbe? <ul><li>Answers </li></ul><ul><li>Whooping cough </li></ul><ul><li>Cholera </li></ul>
  85. 85. What disease has been totally eliminated from the world as a result of mass immunisation? <ul><li>Answer </li></ul><ul><li>Smallpox </li></ul>
  86. 86. What does an antigen react with to produce immunity? <ul><li>Answer </li></ul><ul><li>An antibody </li></ul>
  87. 87. Name three chemicals needed for photosynthesis? <ul><li>Answers </li></ul><ul><li>Carbon dioxide </li></ul><ul><li>Water </li></ul><ul><li>Chlorophyll </li></ul>
  88. 88. What is the main energy change in photosynthesis? <ul><li>Answer </li></ul><ul><li>Light energy to chemical energy </li></ul>
  89. 89. Which of the chemicals needed for photosynthesis are found in the soil? <ul><li>Answer </li></ul><ul><li>Water </li></ul>
  90. 90. Which of the chemicals needed for photosynthesis are found in the air? <ul><li>Answer </li></ul><ul><li>Carbon dioxide </li></ul>
  91. 91. Give two examples of plant organs? <ul><li>Answers </li></ul><ul><li>Leaf </li></ul><ul><li>Stem </li></ul><ul><li>Root </li></ul><ul><li>Flower </li></ul>
  92. 92. What has to happen to a cell before it grows into a tissue? <ul><li>Answers </li></ul><ul><li>It has to divide </li></ul>
  93. 93. What do we call the change from solid to liquid? <ul><li>Answers </li></ul><ul><li>Melting </li></ul>
  94. 94. What do we call the change from liquid to a gas? <ul><li>Answers </li></ul><ul><li>Evaporation (boiling) </li></ul>
  95. 95. What do we call the change from gas to liquid? <ul><li>Answers </li></ul><ul><li>Condensation </li></ul>
  96. 96. What do we call the change from liquid in to a solid <ul><li>Answers </li></ul><ul><li>Freezing (solidification) </li></ul>
  97. 97. When salt dissolves in water it forms a ? <ul><li>Answers </li></ul><ul><li>Solution </li></ul>
  98. 98. The salt that dissolves is called ? <ul><li>Answers </li></ul><ul><li>Solute </li></ul>
  99. 99. The water that the salt dissolves in is called the? <ul><li>Answers </li></ul><ul><li>Solvent </li></ul>
  100. 100. If we add more salt or less water we say that the solution is? <ul><li>Answers </li></ul><ul><li>Concentrated </li></ul>
  101. 101. If a substance will not dissolve we say it is ? <ul><li>Answers </li></ul><ul><li>insoluble </li></ul>
  102. 102. All elements have a chemical symbol, what is the symbol for gold ? <ul><li>Answers </li></ul><ul><li>Au (aurum) </li></ul>
  103. 103. All elements have a chemical symbol, what is the symbol for Copper ? <ul><li>Answers </li></ul><ul><li>Cu (cuprum) </li></ul>
  104. 104. All elements have a chemical symbol, what is the symbol for Silver ? <ul><li>Answers </li></ul><ul><li>Ag (Argentinium) </li></ul>
  105. 105. All elements have a chemical symbol, what is the symbol for Carbon ? <ul><li>Answers </li></ul><ul><li>C </li></ul>
  106. 106. All elements have a chemical symbol, what is the symbol for Aluminium ? <ul><li>Answers </li></ul><ul><li>Al </li></ul>
  107. 107. The symbol is Pb what is the element ? <ul><li>Answers </li></ul><ul><li>Lead (plumbumium) </li></ul>
  108. 108. The symbol is Na what is the element ? <ul><li>Answers </li></ul><ul><li>Sodium (Natrium) </li></ul>
  109. 109. The symbol is Li what is the element ? <ul><li>Answers </li></ul><ul><li>Lithium </li></ul>
  110. 110. The symbol is F what is the element ? <ul><li>Answers </li></ul><ul><li>Fluorine </li></ul>
  111. 111. The formula is CO 2 what is the Compound ? <ul><li>Answers </li></ul><ul><li>Carbon dioxide </li></ul>
  112. 112. The formula is NH 3 what is the Compound ? <ul><li>Answers </li></ul><ul><li>Ammonia </li></ul>
  113. 113. The formula is HCl what is the Compound ? <ul><li>Answers </li></ul><ul><li>Hydrochloric acid </li></ul>
  114. 114. The formula is H 2 SO 4 what is the Compound ? <ul><li>Answers </li></ul><ul><li>Sulphuric acid </li></ul>
  115. 115. The formula is HNO 3 what is the Compound ? <ul><li>Answers </li></ul><ul><li>Nitric acid </li></ul>
  116. 116. How can we separate coloured mixtures? <ul><li>Answers </li></ul><ul><li>Chromatography </li></ul>
  117. 117. How can we separate mixtures with different boiling points? <ul><li>Answers </li></ul><ul><li>Distillation </li></ul>
  118. 118. How can we separate mixtures with different solubility's? <ul><li>Answers </li></ul><ul><li>Filtration </li></ul>
  119. 119. What do we make when we burn magnesium in oxygen? <ul><li>Answers </li></ul><ul><li>Magnesium oxide </li></ul>
  120. 120. What do we make when we mix zinc with hydrochloric acid? <ul><li>Answers </li></ul><ul><li>Zinc chloride + Hydrogen </li></ul>
  121. 121. What do we make when we mix an acid with an alkali? <ul><li>Answers </li></ul><ul><li>Salt + Water </li></ul>
  122. 122. What do we make when we mix a reactive metal with an acid? <ul><li>Answers </li></ul><ul><li>Metal hydroxide + Hydrogen </li></ul>
  123. 123. What do we make when we mix a reactive metal like zinc with steam? <ul><li>Answers </li></ul><ul><li>Zinc oxide + Hydrogen </li></ul>
  124. 124. What do we call the hydroxides and oxides of metals? <ul><li>Answers </li></ul><ul><li>Bases </li></ul>
  125. 125. What is the combustion formula, Fuel + Oxygen  <ul><li>Answers </li></ul><ul><li>Carbon dioxide + Water + Heat </li></ul>
  126. 126. What does carbon, sulphur or nitrogen dioxides make in water? <ul><li>Answers </li></ul><ul><li>Acid rain </li></ul>
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