作为英国顶尖的私立混校，奥多中学不仅在学术成绩上十分优秀，而且还为学生提供了丰富多彩的课外活动，比如：滑冰、射箭、骑马等等，因此，越来越多的学生去该校留学，可是，入读私校要经过笔试，下面，小编就为大家带来了奥多中学Oundle School Year9科学入学考试笔试题，希望对大家有所帮助：
科学
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•笔试不及格78分;生物30分，化学24分，物理24分
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Biology Written Answer Section
1. The graph shows the number of alcohol-related deaths in Britain in four age ranges.
a. Which age range has the highest number of alcohol-related deaths in Britain?
Put a cross (✗) in the box next to your answer.
b. Describe the trend shown for alcohol-related deaths in the age range 35–54 years.
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c. Suggest one reason for the reduction in alcohol-related deaths between 2008 and 2009 for 55–74 year olds.
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2. The diagram shows the digestive system of a human.
a. Describe the role of the mouth in digestion.
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b. Villi are structures in the small intestine.
i. Which one of the statements about villi is true?
Place a cross (✗) in the box next to your answer.
ii. Coeliac disease can cause a loss of microvilli.
The table shows how the structure of villi affects the surface area of the small intestine.
A person with coeliac disease has no microvilli in their small intestine.
Explain why this person would find it hard to exercise.
Use information from the table to help you.
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c. Fibre in food is not digested.
Fibre makes up most of the solid material in the contents of the small intestine.
The recommended daily allowance (RDA) for fibre is between 18g and 30g.
Suggest why the muscles in the intestines of someone who eats much less fibre per day than
the RDA may have trouble moving food through the small intestine.
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3. The photograph shows a bee collecting nectar from a flower.
a. Nectar is made from glucose produced by plants.
Name the process that plants use to make glucose.
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b. When the bee collects nectar from the flower, the plant benefits because the pollen sticks to the bee and is carried to another flower.
i. Complete the sentence by putting a cross (✗) in the box next to your answer.
The relationship between the bee and the plant is an example of...
ii. Some bees have evolved a new method of collecting nectar from flowers.
They drill a small hole in the base of the flower and collect the nectar through the hole.
This means the pollen does not stick to the bee.
Suggest why this is an advantage to the bees.
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c. Bees can sting people.
State the physical barrier of the human body that would have to be broken by the bee sting.
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d. Honey produced by bees is a natural antiseptic.
Describe how antiseptics can be used, during food preparation, to prevent the spread of infections.
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4. The photograph shows a blood smear from a healthy person.
i. Name the two types of blood cells, X and Y, shown in the photograph.
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ii. Complete the sentence by putting a cross (✗) in the box next to your answer. The function of the cells labelled X is to
iii. Measure the diameter of the cell labelled Z.
diameter = ........................................................................... mm
iv. The cell labelled Z is magnified × 900.
Calculate the actual diameter of the cell labelled Z.
actual diameter = ................................................................................. µm
Biology Multiple Choice Section
In this section Complete the sentence by putting a cross (✗) in the box next to your answer.
5. Chemicals may prevent the entry of pathogens. One chemical that prevents the entry of pathogens is…
6. Food is moved through the digestive system by…
7. Plants lose water, into the air, by a process called…
8. Cigarette smoke contains many substances that can have harmful effects on the human body. The addictive substance in cigarette smoke is…
a. Some of the chemicals in cigarette smoke are carcinogens.
Define the word carcinogen.
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Chemistry Written Answer Section
9. The diagram shows an exhibit at a science museum. It has six blocks of metal connected to a voltmeter.
a. Write the chemical symbols for magnesium and copper in the appropriate spaces in the diagram below.
b. When visitors place their hands on two blocks of metal at the same time, the voltmeter registers a change in the voltage. Some examples are shown in the table.
The reading on the voltmeter depends on the reactivity of the two metals touched.
The bigger the difference in reactivity, the higher the reading on the voltmeter.
i. Magnesium is the most reactive of these metals. Which metal is the least reactive?
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ii. If two blocks of magnesium were used in the experiment, instead of two different metals, what would the voltmeter read?
..........................................................................................................................................................volts
Explain your answer.
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iii. Look at the voltmeter readings in the table opposite.
On which two metals, other than magnesium, would a person put their hands to give the lowest reading on the voltmeter?
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iv. Sodium is a more reactive metal than magnesium.
Suggest a reason why the exhibit did not include a plate of sodium for visitors to touch.
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10. Harry investigated differences between physical and chemical changes.
• He put three chemicals in separate crucibles and weighed each one.
• He heated each crucible as shown below.
• He weighed each crucible again when it had cooled down
Harry recorded his observations in a table as shown below.
a. In experiment A, magnesium reacts with a gas in the air.
i. Complete the word equation for the reaction in experiment A.
magnesium + .............................................................. → ................................................................
ii. Explain the increase in mass in experiment A. Use your word equation to help you.
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b. The gas given off in experiment B re-lit a glowing splint.
Give the name of the gas.
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c. Experiment B is an example of what type of reaction? Circle one of the possibilities below to show your answer.
neutralization precipitation thermal decomposition
d. Name the white powder that was left at the end of experiment C.
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e. Using the table below for your answers, indicate whether a chemical change or a physical change took place in each experiment.
Tick one box for each experiment.
Chemistry Multiple Choice Section
For each of the questions in this section, circle the letter that corresponds to the correct answer.
11. Some sugar is dissolved in water.
Which diagram shows how the particles are arranged in the solution?
12. Heating a liquid causes it to become a gas.
What happens to the molecules of the liquid during this process?
13. The apparatus shown cannot be used to determine the melting point of sodium chloride, NaCl.
14. The melting points and boiling points of four substances are shown below. Which substance is liquid at 100°C?
15. The diagram shows the atoms present in a molecule of ethanol.
Which number of elements and number of atoms is correct for a molecule of ethanol?
16. Which of the following is made up of only one type of atom?
A a piece of aluminium foil
B a crystal of sugar
C a drop of water
D a piece of wood
17. The picture below shows the particle model for a substance.
Which substance does this particle model best represent?
A carbon dioxide gas
B liquid water
C solid iron
D chlorine gas
18. Which of these is an example of a chemical reaction?
A melting candle wax
B adding sodium chloride to water
C add magnesium to acid
D freezing water to make an ice cube
19. These diagrams represent the gases helium and hydrogen.
A Helium gas exists as atoms and hydrogen gas exists as molecules.
B Helium gas and hydrogen gas both exist as molecules.
C Helium gas and hydrogen gas both exists as atoms.
D Helium gas exists as molecules and hydrogen gas exists as atoms.
20. What is the shaded part of the Periodic Table showing?
A gases
B a group
C metals
D a period
Physics Written Answer Section
21. The diagram below shows the path of a meteor as it gets closer to the Earth. The meteor is shown in three positions: A, B and C.
a. The path of the meteor is affected by the Earth’s gravity. The arrow shows the direction of the force due to gravity acting on the meteor at B.
i. On the diagram draw an arrow to show the direction of the force of gravity on the meteor at A. Use a ruler.
ii. On the diagram draw an arrow to show the direction of the force of gravity on the meteor at C. Use a ruler.
iii. How does the force of gravity on the meteor change as it travels from A to C?
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b. What happens to the speed of the meteor as it travels from A to B?
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c. When the meteor enters the Earth’s atmosphere, three forces act on the meteor. Gravity and upthrust are two of these forces. Give the name of the other force.
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22.
a. Describe briefly how the amplitude of a sound wave affects the sound that we hear.
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b. Describe briefly how the frequency of a sound wave affects the sound that we hear.
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The table below explains how the properties of sound and light can be compared, despite their fundamental differences.
Two wave speeds are given below. One is the approximate speed of sound in air; the other is the approximate speed of light in air.
Speed A = 300 000km/s
Speed B = 0.3 km/s
c. Light and sound travel at very different speeds. Briefly describe one example from everyday life in which this fact is apparent.
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Stars are luminous objects; we can see them from Earth because they emit light. The table below compares the properties of different types of star.
In answering questions (d) and (e) below, you should refer specifically to the amplitude and/or the frequency of light waves.
d. What is the difference between the light waves emitted by a Red Giant and a Red Dwarf?
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e. What is the difference between the light waves emitted by a Red Dwarf and a White Dwarf?
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f. The Moon is 0.38 million km from Earth. Scientists have successfully fired a laser beam at mirrors left on the moon by Apollo astronauts and detected the subsequent reflection. Calculate the time interval between the firing of the laser beam and the detection of the reflection.
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Physics Multiple Choice Section
For each of the questions in this section, circle the letter that corresponds to the correct answer.
23. Which diagram shows an athlete exerting least pressure on the ground?
24. The mass of a full bottle of cooking oil is 1.30 kg.
When exactly half of the oil has been used, the mass of the bottle plus the remaining oil is 0.90 kg.
What is the mass of the empty bottle?
A 0.40 kg
B 0.50 kg
C 0.65 kg
D 0.80 kg
25. A student sets up a circuit containing a battery of two cells and three lamps, as shown.
26. A pulse of sound is produced at the bottom of a boat. The sound travels through the water and is reflected from a shoal of fish. The sound reaches the boat again after 1.2 s. The speed of sound in water is 1500 m/s.
27. The diagram represents a wave.
28. A student wishes to use a magnetising coil to make a permanent magnet from a piece of metal
Which metal should she use?
A aluminium
B copper
C iron
D steel
29. The diagram shows the speed-time graph for an object moving at constant speed.
30. A tuning fork is marked with the number 320.
This indicates the size of the frequency.
What does this mean?
A The length of the tuning fork is 320 mm.
B The note from the tuning fork will last for up to 320 s.
C The sound waves produced by the tuning fork travel at 320 m/s.
D The tuning fork vibrated 320 times every second.
31. The circuit of a motor racing track is 3 km in length. In a race, a car goes 25 times round the circuit in 30 minutes.
What is the average speed of the car?
A 75 km/hour
B 90 km/hour
C 150 km/hour
D 750 km/hour
32. A polythene rod repels an inflated balloon hanging from a nylon thread.
What charges must the rod and balloon carry?
A The rod and the balloon carry opposite charges.
B The rod and the balloon carry like charges.
C The rod is charged but the balloon is not.
D The balloon is charged by the rod Is not.
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