Welcome to your British Lower Secondary/Junior Checkpoint Mock Exams(Science) NAME EMAIL PHONE NUMBER 1. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. B and E in order non-metal, non-metal metal, non-metal non-metal, metal metal, metal 2. A car is driving along a road. Complete the sentences about the carThe car is slowing down. The forces that slow the car down are ............................and .................................... air resistance and friction chemical and kinetic gravity and friction air resistance and elastic gravity and kinetic 3. Tireni whistles three notes into a microphone connected to an oscilloscope.An oscilloscope shows the shape and size of a sound wave.The diagram shows the waves for whistle 2 and whistle 3.Compare the pitch of whistle 2 and whistle 3. not enough information whistle 2 is the same as whistle 3 whistle 3 is lower than whistle 2 whistle 2 is lower than whistle 3 4. Zainab has five chickens.Here is some information about her chickens. Zainab chooses chickens to breed from the offspring.Which ones should she choose? the ones that produce the less eggs the ones that produce the most eggs not enough information any one female with the male 5. Safia investigates the reaction between magnesium ribbon and dilute sulfuric acid.In each experiment Safia uses 25 cm³ of sulfuric acid.She records the temperature of the acid and then adds some magnesium ribbon.When the magnesium has finished reacting she records the temperature of the acid again.Safia does this experiment six times as shown below.Each time she uses a different length of magnesium ribbon. The reaction between magnesium and sulfuric acid releases energy.What is the name given to a reaction that releases energy? heat endothermic intrinsic exothermic 6. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo little carbohydrate causes which health problem? poor growth tooth decay little energy High blood pressure 7. Chidi makes a prediction about the planets in the Solar system.To find evidence to support his prediction he uses the internet.The table shows the information he findsDoes the information in the table support Prediction 1? Maybe not enough information No Yes 8. The diagram shows part of an electromagnet. What is the name of part B on the diagram. coil iron copper core 9. Some metal railings have started to rust. All BUT ONE are ways to prevent railings from rusting? cover the railings coat in oil galvanise paint 10. Hakeem does an experiment on sound.Hakeem connects a microphone to an oscilloscope.He places the microphone at different distances from the loudspeaker.He records the amplitude of the wave on the oscilloscope.Here are some of the results on the oscilloscope. Use the pictures to suggest which pattern best describes the results? the amplitude does not change with distance the amplitude increases with distance there is no pattern in the results the amplitude decreases with distance 11. The Earth is made up of three layers including the core and the crust. What is the approximate age of the Earth? 1200 million years old 2100 million years old 1.1 million years old 4600 million years old 3200 million years old 12. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. B and D in order metal, metal non-metal, non-metal metal, non-metal non-metal, metal 13. The diagram shows the particle arrangement in a liquid. Sade puts five drops of a liquid perfume on the back of her hand. A few seconds later Sade can smell the perfume.This is because the perfume diffuses into her nose. Explain, using the particle theory of matter, how diffusion takes place. particles remain fixed particles spread out particles remain unchanged particles spread from lower regions to higher regions 14. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. C and E in order metal, metal non-metal, non-metal non-metal, metal metal, non-metal 15. The diagram shows the energy flow into and out of a coal-fired power station. How much useful electrical energy is provided by the power station? 300 MJ 1400 MJ 600 MJ 400MJ 1000 MJ 16. The diagram shows part of an electromagnet. Which material is used to make part A.Choose words from the list.air copper glass iron paper air iron copper glass 17. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Which is the one anomalous reading in the table. 26.4 32.6 9.3 18.1 18. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. A and C in order non-metal, metal non-metal, non-metal metal, metal metal, non-metal 19. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. All BUT ONE is the reason fibre is important in the diet keeps the digestive system healthy speeds up the movement of waste out of the body good source of diet helps prevent bowel cancer prevents constipation 20. Use the key to identify this coral reef fish..1. shape is very long and very thin go to 2 shape is not long and thin go to 32. fins are pointed trumpetfish fins are smooth eel3. eyes on top of head go to 4 eyes each side of head go to 54. long thin tail ray has a blunt tail flounder5. has stripes go to 6 does not have stripes sweeper6. has dark tips to fins and tail clownfish does not have dark tips to fins and tail angelfishThe coral reef fish is a ........................................................ clownfish ray angelfish flounder 21. Manjit puts a metal saucepan of milk on a cooker as shown.Thermal (heat) energy can be transferred by conduction, convection and radiation. Which is the main process that transfers thermal energy through the milk? heat convection radiation conduction 22. This is a question about forces.Look at the diagrams below.Which diagram shows a turning force? E C D B 23. Chidi makes a prediction about the planets in the Solar system.To find evidence to support his prediction he uses the internet.The table shows the information he findsHow does the information in the table support Prediction 1? mercury is farther to sun shortest time for orbit not enough information longest time for orbit 24. In italic is a part of a plant Choose from the list the correct function of the Leaf photosynthesis transport of water and minerals reproduction absorption of water 25. In italic is a part of a plant Choose from the list the correct function of the Root reproduction photosynthesis absorption of water transport of water and minerals 26. Hydrogen peroxide is used to make oxygen in the laboratory.Hydrogen peroxide breaks down to form water and oxygen. This reaction is much faster when a chemical called manganese(IV) oxide is added to the hydrogen peroxide.The manganese(IV) oxide is unchanged at the end of the reaction.Chioma investigates the effect of temperature on the breakdown of hydrogen peroxide.Which variable do you think she should change? catalyst temperature acid alkali 27. Chidi makes a prediction.How does the information in the table support Prediction 2? Earth is cooler than Mars but farther to the Sun Earth is hotter than Mars but closer to the Sun Earth is hotter than Mars but farther to the Sun Earth is cooler than Mars but closer to the Sun 28. Plants and green algae need mineral salts to grow.One mineral salt is magnesium sulfate. Taraoluwa and Kafeel investigate the growth of algae.They put different concentrations of magnesium sulfate solution into five flasks, A, B, C, D and E.They then add the algae. Here are their results.All BUT ONE could complete the sentence below.As the concentration of magnesium sulfate increases from 1 to 5, the colour of the algae ........................................................................................................ colour of algae increases colour of algae gets darker gets lighter / decreases colour of algae gets greener gets lighter / decreases after concentration of 4 29. Look at the table.It shows the melting points and boiling points of some elements. Use the table to answer the question below.Which element is a non-metal? sodium iron oxygen mercury gold 30. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Name the apparatus Hassan uses to measure the friction force. chemical balance all of the above newtonmeter spring balance 31. Rocks in the Earth’s crust are classified by the way that they are formed.Complete the sentences about rock formation.Choose words from the list. igneous metamorphic sedimentary...........................rocks are formed when molten lava from a volcano cools down. sedimentary metamorphic igneous none of the above 32. Plants and green algae need mineral salts to grow.One mineral salt is magnesium sulfate. Taraoluwa and Kafeel investigate the growth of algae.They put different concentrations of magnesium sulfate solution into five flasks, A, B, C, D and E.They then add the algae. All BUT ONE are reasons Taraoluwa and Kafeel put 10 cm³ of algae into each flask? so they start with same amounts to see if the algae will die to control a variable to allow comparisons to be made 33. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the name of part A? alimentary canal tongue oesophagus trachea 34. Rocks in the Earth’s crust are classified by the way that they are formed.Complete the sentences about rock formation.Choose words from the list. igneous metamorphic sedimentary...........................rocks are found in layers and often contain fossils. igneous all of the above sedimentary metamorphic 35. Chidi makes a prediction.Does the information in the table support Prediction 2? Yes not enough information No maybe 36. Some metal railings have started to rust. Which two substances must be present for the railings to rust? oxygen, water carbon dioxide, hydrogen hydrogen, nitrogen carbon dioxide, oxygen nitrogen, water 37. Safia investigates the reaction between magnesium ribbon and dilute sulfuric acid.In each experiment Safia uses 25 cm³ of sulfuric acid.She records the temperature of the acid and then adds some magnesium ribbon.When the magnesium has finished reacting she records the temperature of the acid again.Safia does this experiment six times as shown below.Each time she uses a different length of magnesium ribbon. Safia then calculates the temperature change for each reaction. One set of readings is an anomalous result.Which set? result for 4 cm result for 5 cm result for 2 cm result for 6 cm 38. Hydrogen peroxide is used to make oxygen in the laboratory.Hydrogen peroxide breaks down to form water and oxygen. This reaction is much faster when a chemical called manganese(IV) oxide is added to the hydrogen peroxide.The manganese(IV) oxide is unchanged at the end of the reaction.Chioma investigates the effect of temperature on the breakdown of hydrogen peroxide.She should control (keep the same) all BUT ONE variable. volume of hydrogen peroxide same apparatus amount of catalyst particle size of the manganese (IV) oxide concentration of hydrogen peroxide 39. Look at the table.It shows the melting points and boiling points of some elements. Use the table to answer the question below.Write down the name of the element that melts at 1538°C oxygen mercury iron gold sodium 40. This list shows properties that different materials can have. A. magnetic E. good conductor of heat B. can be compressed F. poor conductor of heatC. very high melting point G. good conductor of electricityD. very low melting point H. non conductor of electricity Write down the letter of the property that answers this question.Which two properties from the list make aluminium suitable for cooking pans? C and E D and B A and E C and G 41. In italic is a part of a plant Choose from the list the correct function of the Flower transport of water and minerals photosynthesis absorption of water reproduction 42. Complete the explanation using these words belowarea force pressurePeople who walk across snow may wear snowshoes.The person does not sink into the snow because the ................................ acts ona larger .......................................... so that the ....................................... is less. area, force, pressure force, pressure, area force, area, pressure pressure, area, force 43. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most useful size of eggs low life expectancy amount of milk produced number of feathers 44. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. Name the two fruits with the highest amount of fibre. strawberry and pineapple banana and orange pineapple and kiwi fruit pineapple and banana 45. The diagram shows part of an electromagnet. What is the name of part A on the diagram. core coil copper iron 1 out of 45 Time is Up! Time's up