Questions - John Buchan School

John Buchan Middle SchoolScience Test Revision4D Solids, Liquids and Separation29 min27 marksJohn Buchan Middle School 1

1. Sweets(a)Alisha and Peter have some small sweets.Peter puts one on his tongue.Peter made a plan to test his idea that the sweet dissolves.How long did Peter plan to leave the sweet in water?....................................................hours1 markJohn Buchan Middle School 2

(b)Peter took photographs of the sweet in the beaker at the beginning and the end ofhis investigation.What part of his plan did Peter change when he carried out the investigation?..............................................................................................................................................................................................................................................1 mark(c) Look at the photographs A and B.Use the evidence in photographs A and B to write a conclusion for Peter’sinvestigation...............................................................................................................................................................................................................................................1 markJohn Buchan Middle School 3

(d)Alisha made a plan to test her idea that the sweet melts rather than dissolves.Where should Alisha put her sweet to test her idea that it melts?Tick ONE box.a cold placea hot placea dry placea wet place1 mark2. Solids, liquids and gases(a)Kenny writes 5 statements about materials.How has Kenny collected this information?Tick ONE box.by fair testingby observingby measuringby modelling1 markJohn Buchan Middle School 4

(b)Some of Kenny’s friends describe their ideas about solids, liquids and gases.Which of Kenny’s statements can be used to argue against Sally’s idea?Tick ONE box.A B C D E1 mark(c)Which of Kenny’s statements can be used to support Jo’s idea?Tick ONE box.A B C D E1 markJohn Buchan Middle School 5

(d)Look at Paul’s idea and Kenny’s statements.(i)Do you agree with Paul’s idea?Tick ONE box.AgreeDo not agree(ii)Explain your reasoning........................................................................................................................................................................................................................................................................................................................................1 markJohn Buchan Middle School 6

3. Solids, liquids and gases(a)Lorna has a bottle of nail varnish.Write solid, liquid or gas to label each part of the diagram.1 mark(b)Lorna stands at the front of the classroom.She takes the lid off the nail varnish bottle.The table below shows the time it took for the smell of the varnish to reachdifferent children.ChildTime taken to smellvarnish (seconds)A 20B 5C 12Complete the diagram below by writing A, B or C on each line to show theposition of each child.Lorna withnail varnish …………… …………… ……………1 markJohn Buchan Middle School 7

(c)Water can be a solid, a liquid or a gas.Draw THREE lines to match the name given to water when it is a solid, a liquidand a gas.icesolidwaterliquidwater vapourgas1 mark(d)Answer the questions in the table by ticking the correct box in each row.QuestionSolid Liquid GasWhich forms duringevaporation?Which keeps its ownshape?Which forms duringcondensation?Which spreads out to fillany sized container?2 marksJohn Buchan Middle School 8

Complete the table below to show how Hannah could separate each mixturequickly.MixtureMethod ofseparatingHow is the mixtureseparated?sugar andwaterThe flour .................................................flour andrice...................................................................................................The rice ..................................................................................................................The steel nails ........................................steel nailsand brassscrews...................................................................................................The brass screws ....................................................................................................4 marksJohn Buchan Middle School 10

5. Pebbles, salt and sand(a)Joanne has a dry mixture of pebbles, salt and sand.She has these four pieces of equipment to help her separate the mixture.Which piece of equipment from the box above should Joanne use to separate thepebbles from her mixture?......................................................................................................................1 markJohn Buchan Middle School 11

(b)Which TWO pieces of equipment from the box should she use to separate the saltfrom the sand?..................................................... and .......................................................1 mark(c)Joanne uses these two things and some other equipment to separate the saltfrom the sand.When she finishes, she has salt crystals in one container and sand in anothercontainer.salt crystalssandExplain fully how Joanne separated the salt and sand mixture, so that shefinished with salt crystals in one container and sand in another container...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................2 marksJohn Buchan Middle School 12

6. Ice lollies(a)Some children are making ice lollies.The children cool the liquid. It changes into ice.Before cooling:After cooling:solidliquidName the process that takes place when a liquid changes to a solid.......................................................................................................................1 mark(b)Which TWO statements below show that an ice lolly is a solid?Tick TWO boxes.It has a fixed shape.It is slippery.It is cold.It is cloudy.It cannot be poured.1 markJohn Buchan Middle School 13

(c)The children make ice lollies of different sizes.They time how long the lollies take to melt.Here are their results.Volume of lolly(cm 3 )Time taken to melt(minutes)30 20040 23050 25560 27570 295Describe the link between the volume of the lolly and the time it takes to melt.............................................................................................................................................................................................................................................2 marksJohn Buchan Middle School 14