Year 4 Science Revision Booklet

Year 4 Science Revision Booklet © 2020 twinkl.com

Living Things and their Habitats

1. Write each animal from the word bank into the correct column of the table below:

2. Writedownthefivegroupsthatvertebratesaredividedinto:

1.

2.

3.

4.

5.

3. Circletheanimalsinthelistbelowthatarevertebrates:

4. Giveoneexampleofhowclimatechangeandplasticpollutionaffectthelifeofananimal.

Mammals

Amphibians

Reptiles

Fish

Birds

Insects

Molluscs

Arthropods

cow dog spider snail lizard

penguin

squid

scorpion

aligator salmon newt octopus wasp

snail

fly

frog

shark shrimp scorpion cuttlefish

shark

crocodile

worm

robin snake owl crab

chimpanzee

human

tortoise

butterfly frog

sparrow tiger

Year 4 Science Revision Booklet © 2020 twinkl.com

2. Drawlinestomatchthebodypartandadescriptionofitsfunction.Animals, Including Humans

1. Labelthediagrambelowwiththedifferentpartsofthedigestivesystem.Usethewordbankbelowtohelpyou.

m

t

t

s

l

g

d r

o

s

p

a

l

s

largeintestine teeth

pancreas liver

gallblader rectum anus

oesophagus

stomach duodenum

mouth smallintestine

tongue salivarygland

stomach

useschemicalstochangefood intosubstancesthatthebody canuseandgetsridofthings thataretoxic.

smallintestineatubethatmovesfoodfromthemouthtothestomach

oesophagusstoolsarestoredherebeforeleavingthebodythrough theanus

liverfoodisbrokendownwith acid here

rectumwaterisabsorbedfromremainingwastefoodandstoolsareformed

largeintestinewherenutrientsareabsorbedinto the body

Year 4 Science Revision Booklet © 2020 twinkl.com

4. Writetrueorfalsenexttoeachstatement.

Aherbivoreisananimalthateats .

A isananimalthatfeedsonotheranimals.

Omnivoresareanimalsthateat

and .

5. Fillinthemissingwordsinthesentencesbelow:

6. Inthediagrambelow,drawpictureswithlabelstoshowhowthefoodchainworks.Includethewordspredator,producerandpreyinyourdiagram.

3. Labelthediagrambelowwiththefollowing:

premolarincisor canine molar

Molarsareusedtobiteandcutfood.

Caninestearandripfoodinthemouth.

Wisdomteethhavenofunction.

Premolarsareusedtoholdandcrushfood.

Year 4 Science Revision Booklet © 2020 twinkl.com

3. Whatwordsareusedtodescribethefollowingprocesses:

Theparticlesofaliquidbegintoslowdownuntiltheyformasolidstructure.

Theparticlesofasolidareheatedandbegintomovefasterandfasteruntiltheyareabletomoveoverandaroundeach other.

4. Labelthisdiagramofthewatercyclewiththewords:condensation,precipitation and evaporation.

States of Matter1. Drawlinestomatchuptheword,diagramanddescriptionoftheparticlesforthethreestatesofmatter:

Solid

Liquid

GasThesespreadouttocompletelyfillthe

container they are in.

Thesekeeptheirshapeunlessaforceisapplied

to them. They can be hard,softorsquashy.

Takestheshapeofitscontainerbutdoesnotchangetheamountofspacetakenup.

2. Giveanexampleforeachstateofmatter:

Solid =

Liquid=

Gas=

Year 4 Science Revision Booklet © 2020 twinkl.com

5. Fillinthemissingwordsinthesentencesbelow:

Evaporationoccurswhena

turnsintoa .

Condensationiswhen (gas)

iscooleddownandturnsinto .

iswhenliquid(orsolid)particlesfallfromacloudasrain,sleet,hailorsnow.

6. Describeaneverydaysituationwheneitherevaporationorcondensationoccurs.

Year 4 Science Revision Booklet © 2020 twinkl.com

3. Putthefollowingdiagramsinorderofhowhighthepitchwouldbe.

1=highest,4=lowest.

4. Drawvibrationsonthegriddiagrambeloweachstatementtodemonstratetherelationshipbetweenvolumeandamplitude.

Sound 1. Writetrueorfalsenexttoeachstatement.

2. Drawlinestomatchthewordswiththeirdefinitions.

volume

amplitude

pitch

howloworhighasoundis

howloudasoundis

Thelargertheamplitude,thelouder

thesound.

Thesmallertheamplitude,thequieter

thesound.

thesizeofavibration

Soundisatypeofenergy.

Soundsarecausedbyvibrations.

Soundcanonlytravelthroughgases.

Soundtravelsasawave.

Soundcantravelthroughavacuum.

Year 4 Science Revision Booklet © 2020 twinkl.com

5. Usethewordsinthewordbanktocompletethepassagethatexplainshowwehearsounds. Soundtravelsthroughanobjectasthe

vibrate.Thiscanbethroughthe ,through

orthrougha object

suchasatelephone.The hit

the andarethenpassedtothe

and then to the ear.Theyarethenchanged

into signalswhicharesenttothebrain.

6. Explainwhysoundgetsfainterasthedistancefromthesoundsourcegrows.

middle

air

vibrations

inner

particles

liquid

electrical

solid

Year 4 Science Revision Booklet © 2020 twinkl.com

Electricity 1. Circletheobjectsthatrequireelectricitytowork:

2. Fillinthegapstocompletethepassagebelow:

Acircuitisapathwaythat can flow around.

Itincludes andapowersupply(suchas

a )andmayincludeothercomponentssuch

as ,switchesor .

,whicharesmall with an

electriccharge,flowaroundacompletecircuit.

3. Labelthecomponentsinthecircuitsbelow:

4. Fillinthetablewithelectricalconductorsandelectricalinsulators.

5. Whatisthefunctionofaswitchinanelectricalcircuit?Explainyouranswerfully.

Electrical conductors Electrical insulators