A Look At The Diagram. Which Stages Of The Scientific .

To p i c1A Look at the diagram. Which stages of thescientific method do you follow in your sciencelessons? Give examples.THE SCIENTIFIC METHODObserveAsk questionsMake a hypothesisTest your hypothesisin an experimentLanguageVocabularyScience Nouns and VerbsLab EquipmentCompound NounsRecord andanalyze the dataMake a conclusionGrammarPresent Simple for FactsSequence AdverbsZero Conditional6U1COll3.indd 68/16/17 11:38 AM

SkillsReadingMatching Information in theActivity and Reading TextPredicting the Content of aReading TextProjectSpeakingAgreeing and DisagreeingShowing InterestExperiment: Classroom ScienceWritingWriting InstructionsListeningUsing Visual Information to HelpYou UnderstandListening for Specific Information7U1COll3.indd 78/16/17 11:38 AM

1 Watch the video. What is the podcast rbschangefreezemeltpourA Watch again. Are the children happy with their project?2 Listen and complete the poem.2Solids, Liquids, Gasesdon’t changeor size.Hold them in your hands, use your eyes.change shape, but don’t change.Fill your cup—you can see them with your eyes.Gases changeand change size.They’re in the air.They’re hard to see, but they’re there.A Read the poem out loud.3 Complete the sentences with science verbs.1 You can8U1COll3.indd 8liquids from one container to another.2 When solids, they become liquids.3 When liquids, they become solids.Lesson 18/23/17 9:59 AM

1 Listen and follow.3DOES ICE MELT FASTER INHOT PLACES? I THINK SO!THAT’S INTERESTING First, Martina asks a question andmakes a hypothesis.Then, she does an experimentand measures her results.ICE MELTS FASTEST INTHE HOTTEST PLACE.I WAS RIGHT!MARTINA!WHERE ARE ALLTHE ICE CUBES?Finally, she studies her data and makes a conclusion.A Read the comic. Circle present simple verbs.2 Complete the sentences with the present simple of these verbs.askdofreezemelt1 In cold temperatures, water2 Good scientistsnot meltinto ice.Present Simplefor FactsI/You/We/Theychange.don’t change.He/She/Itchanges.doesn’t change.Do youchange?Yes, I do.No, I don’t.Does itchange?Yes, it does.No, it doesn’t.Sequence AdverbsThese adverbs indicate theorder of events: first, next/then/after that, finally.lots of questions.3 Ice cubesfast in cold places.4you5iceexperiments in science class?fast in warm places?Science Nounsconclusiondataexperimenthypothesis3 Describe Martina’s experiment using sequence adverbs. Whatdoes she learn about ice?Lesson 2U1COll3.indd 998/16/17 11:38 AM

The Incredible Food Lab1 Listen and follow.A4Underline important wordsin the Marvelabs’ actions.1 They taste the food.2 They do research.3 They look at the colorand shape of the food.4 They send good ideasto the factory.5 They do tests.A Find the words in the text andnumber the actions in order.2 Which scientists are good?Which are bad?A Find examples ofIn a secret laboratory near you, teams of foodscientists work on new food products every day. “Foodscientists?” I hear you ask. “What do they do?” Well, Ihave some top secret pictures of the Incredible Food Lab.Here is a typical day. Work starts at 8:00. The goodfood scientists are called Marvelabs. They arrive ontime. Their job is to make fantastic new jello and icecream. Mmmm!First, the Marvelabs do research. They study fruit jelloand vegetable jello! They find out how to make healthyice cream and they research new flavors. Then, theydo tests. “Is the food safe?” they ask. Next, they lookat the color, shape and size of the food. After that,they taste the food. “Is it delicious or disgusting?”they ask. Finally, they send all their good ideas to theIncredible Food Factory. The factory makes the jelloand ice cream and sends it to stores all over the world.things that they do.Matching Informationin the Activity andReading TextWhen you do a readingactivity, read the instructionand activity carefully.Underline important wordsin the instruction. Thenlook for similar wordsor ideas in the text.10U1COll3.indd 10Wear yourgoggles!8/16/17 11:38 AM

BUT—and this is a very big but—not all the scientists in the lab aregood. The bad scientists are called Madlabs. Madlabs often arrive late.They don’t have breakfast at home, so they eat breakfast in the lab. It’snot very sensible because sometimes their breakfast falls in the jello.The Madlabs ask silly questions like, “Is jello good for your hair?”“Can you swim in ice cream?” They don’t often do research, butthey sometimes do dangerous tests, just for fun. The Madlabs oftenmix their bad ideas with the Marvelabs’ good ideas. Oh no!So, the next time you have jello or ice cream,look carefully at the label. Do you see this logo?Please arriveon time!Watch out! This food comes from the IncredibleFood Factory. It may be delicious or it maybe disgusting!Don’t bring foodinto the lab!Don’t swimin the jello!Don’t carryheavy boxes!11U1COll3.indd 118/16/17 11:38 AM

1 Read “The Incredible Food Lab” again.Find these questions. Who asks them?1 What do they do?2 Is the food safe?3 Is it delicious or disgusting?o Recipe!Secret Jell:You need pplesa three rede lemonad powdero green jell gas milk ice cubes4 Is jello good for your hair?5 Can you swim in ice cream?A Read the secret recipe. Circle the ingredients on pages 10 and 11.2 Find the adjectives in the text and match them with the sensible1 Something that can harm you is.2 Something that tastes really bad is.3 Something that very few people know is.4 Somebody that has good judgment is.5 Something that doesn’t harm you is6 Something that tastes great is.A Which adjectives are opposites?3 Choose a character from the picture. Name your character andwrite three sentences about his/her day.Name:A Share your sentences. Guess if other characters are Marvelabs or Madlabs.12U1COll3.indd 12Lesson 38/16/17 11:38 AM

Using Visual Information to Help You UnderstandWhen you listen, look for visual information, such as pictures andphotos. They can help you understand.1 Where are the people in each dialogue? Look at the pictures and guess.A Listen and check.1235abcabcabc2 Listen again. Choose the picture that shows the end of each story.Science Nouns3 Choose the correct verbs.1 Steam condenses / freezes on cold surfaces.(gas liquid)steam2 Hot water boils and evaporates / melts.(liquid gas)Science Verbs3 Snow condenses / melts in warm weather.(solid liquid)4 Rain condenses / freezes and becomes snow.(liquid solid)boilcondenseevaporate4 What other things can melt, condense, freeze or evaporate? Discuss.Lesson 4U1COll3.indd 13138/16/17 11:38 AM

1 Listen and mark ( or ).Agreeing andDisagreeing61 The students make a hypothesis.2 Rashid agrees with Marisa.I agree. I agree with(you/them/Kelly).I don’t agree. I disagree.Yes, I think that’s right.No, I don’t think that’s right.3 Johnny agrees with Marisa.4 Johnny agrees with Rashid.A Listen and write the temperaturesfor water and ketchup.7At WHATtemperaturedo theseTHINGSfreeze?WaterFreezingTemperaturein DegreesCelsius ( C)KetchupMilkOlive OilEggsHoney2 Discuss the question in activity 1 for milk, olive oil, eggs and honey.Agree and disagree. Complete the chart.–1 C–0 C–6 Cnever freezesI think milk freezes at –1 C.I disagree. I think A Listen and check.83 Discuss.1 Which things freeze at a lower temperature than water?2 Which substance never freezes? Why?14U1COll3.indd 14Lesson 58/16/17 11:38 AM

1 Listen and follow.9How can you make ice cream without a freezer?Step 1Step 2Step 35 minutes6 spoons ofrock salt1/2 cupof cream2 largespoonsof sugarice cubessmall plastic bagFirst, pour the creamand sugar into thesmall bag and close it.Step 4large plastic bagNext, put the smallbag in the large bagand shake for fiveminutes.Then, put the icecubes and salt in thelarge bag.Finally, open the smallbag. Does it look likeice cream? Eat it andsee!2 Look at the pictures. Describe each step.Writing InstructionsHow long does ice cream take to freeze?Step 1Step 2Step 3When you writeinstructions, don’t includeyou, and just use a simpleverb like put or pour.Use sequence adverbs toshow the order.Step 42 hours,freezercreamsugarbowltrayA Write instructions for the experiment.To p i c1of1 What are the stagesthescientific method?iencet sc2 What new facts aboudo you know now?Lesson 6U1COll3.indd 15158/16/17 11:38 AM

1 Listen and completethe song.10Lab SAFETY, Work SAFELY!The lab’s a dangerous place,Use the right equipment.but you can stay safe.Use the right equipment.Listen up, scientists,Ouch! Chemicals in your eye.and use the right equipment.Quick! Is theWhen you measure a liquid,Wear youryou need a.When you pour a liquid,you need anearby?.Protect your eyes!.Use your.Watch your hands!Measure! Pour!Let’s all stay safe.Hot! Cold!Let’s all stay safe.Compound NounsWe often put two nounstogether to make acompound noun. Thefirst noun describes thesecond noun. They canbe two words, like labcoat, or one word, likeeyewash.A Listen again and sing along.2 Write the correct lab equipment. Which are compound nouns?Lab Equipmentbeakercylindereyewashgloveslab coatmicroscopesafety gogglestest tube1 They protect your eyes:.2 You put these on your hands:.3 You use this to hold or pour liquids:4 It cleans your eyes:.5 You measure liquids in this:.A Describe a piece of lab equipment. Can your partnerguess what it is?16U1COll3.indd 16Lesson 78/16/17 11:38 AM

1 Take the quiz. Listen and check.The11GREATBIGBIG1 Raisinsif you putthem into a glass of soda.a don’t moveb meltc dance Marshmallowsif you put them into water.a sinkb meltc float If you add fresh pineappleto your jello mix,a the jello turns yellow.b the jello doesn’t becomea solid.c the pineapple changescolor.ScienceQuiz!2Whathappensif I dothat?3A Look at the quiz again. Circle all the present simple verbs.2 Look and write.This candy1 ssink when you put it in water.Honey2 The zero conditional describesfacts. The if/when clause describesa condition, and the main clausedescribes the result. All theverbs are present simple:If you put ice cubes in a hot place,they melt. Sugar dissolves whenyou add it to coffee. bbecome a solid if you freeze it.If you cover a cut apple3Zero Conditional cchange with lemon juice, itcolor.Science Verbsdissolvefloatmixsink3 Write two more questions for the Great Big Science Quiz.Lesson 8U1COll3.indd 17178/16/17 11:38 AM

AN ACCIDENTALEXPERIMENTA Look at the title,headings and picturesin the text. What do youthink the text is about?A Read and check.Predicting the Contentof a Reading TextBefore you read a text, look at the title,headings and pictures. They can helpyou predict what the text is about.Scientists spend hoursdoing experimentsor looking at thingsunder microscopes, butsometimes they discoverthings when they don’texpect to. Let’s travel backto the 1800s to learn aboutone amazing discovery.The AccidentThe Next StepIt is the year 1856 and William Perkin,an eighteen-year-old student at the RoyalCollege of Chemistry in London, is tryingto create a medicine to fight malaria.The result isa disaster! Adisgusting blackcompoundappears in thetest tube.William washes out the test tube withalcohol and gets a big surprise. Thedisgusting black mixture is now beautifulpurple crystals. William shares his newswith his brother and a friend. Theydo more secret experiments togetherto produce more purple crystals.William Henry Perkin (1838–1907)18U1COll3.indd 188/16/17 11:38 AM