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Science 7

Cambridge Lower Secondary Science Stage 7

Grade 6 · 9 units · 47 sections · 826 questions

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Unit 1: Cells →

  1. 1.1Plant cellse.g. Where does photosynthesis happen? · 17 questionsPractice
  2. 1.2Animal cellse.g. Which knob do you use first? · 15 questionsPractice
  3. 1.3Specialised cellse.g. How is a root hair cell adapted? · 15 questionsPractice
  4. 1.4Cells, tissues and organse.g. Is a flower a tissue or an organ? · 22 questionsPractice

Unit 2: Materials and their structure →

  1. 2.1Solids, liquids and gasese.g. It flows and can be compressed: what is it? · 17 questionsPractice
  2. 2.2Changes of statee.g. Read the thermometer · 16 questionsPractice
  3. 2.3Explaining changes of statee.g. Why does a heated iron bar expand? · 16 questionsPractice
  4. 2.4The water cyclee.g. Where does the energy for evaporation come from? · 16 questionsPractice
  5. 2.5Atoms, elements and the Periodic Tablee.g. What is the symbol for sodium? · 32 questionsPractice
  6. 2.6Compounds and formulaee.g. How many oxygen atoms are in MgCO₃? · 39 questionsPractice
  7. 2.7Compounds and mixturese.g. Iron and sulfur: mixture or compound? · 20 questionsPractice

Unit 3: Forces and energy →

  1. 3.1Gravity, weight and masse.g. The weight of a 75 kg person · 24 questionsPractice
  2. 3.2Formation of the Solar Systeme.g. Hypothesis, observation or model? · 15 questionsPractice
  3. 3.3Movement in spacee.g. Why do spacecraft keep moving without engines? · 17 questionsPractice
  4. 3.4Tidese.g. When is the next high tide? · 15 questionsPractice
  5. 3.5Energye.g. Which energy is stored in fuel? · 18 questionsPractice
  6. 3.6Changes in energye.g. Electric lamp: electrical → ? · 17 questionsPractice
  7. 3.7Where does energy go?e.g. 25% useful: how much is wasted? · 18 questionsPractice

Unit 4: Grouping and identifying organisms →

  1. 4.1Characteristics of living organismse.g. What is excretion? · 15 questionsPractice
  2. 4.2Virusese.g. Where can a virus replicate? · 15 questionsPractice
  3. 4.3What is a species?e.g. Why is a mule infertile? · 17 questionsPractice
  4. 4.4Using keyse.g. Use the key to name the fish · 17 questionsPractice
  5. 4.5Writing keyse.g. Which is a good question for a key? · 15 questionsPractice

Unit 5: Properties of materials →

  1. 5.1Metals and non-metalse.g. What does ductile mean? · 16 questionsPractice
  2. 5.2Comparing metals and non-metalse.g. A shiny liquid that conducts: what is it? · 20 questionsPractice
  3. 5.3Metal mixturese.g. Why is steel stronger than iron? · 15 questionsPractice
  4. 5.4Using the properties of materials to separate mixturese.g. Separate sand, salt and water · 17 questionsPractice
  5. 5.5Acids and alkalise.g. Is soap linked to acids or alkalis? · 19 questionsPractice
  6. 5.6Indicators and the pH scalee.g. pH 3: what does it tell you? · 18 questionsPractice

Unit 6: Earth physics →

  1. 6.1Sound wavese.g. Why can't sound travel in a vacuum? · 17 questionsPractice
  2. 6.2Reflections of sounde.g. How long until the echo? · 16 questionsPractice
  3. 6.3The structure of the Earthe.g. Which layer is solid iron and nickel? · 16 questionsPractice
  4. 6.4Changes in the Earthe.g. How much stronger is magnitude 7 than 4? · 15 questionsPractice
  5. 6.5Solar and lunar eclipsese.g. When does a solar eclipse happen? · 15 questionsPractice

Unit 7: Microorganisms in the environment →

  1. 7.1Microorganismse.g. What can Marcus conclude from his dishes? · 15 questionsPractice
  2. 7.2Food chains and webse.g. Which is the producer? · 16 questionsPractice
  3. 7.3Microorganisms and decaye.g. Mean area of mould growth · 18 questionsPractice
  4. 7.4Microorganisms in food webse.g. What do decomposers do? · 15 questionsPractice

Unit 8: Changes to materials →

  1. 8.1Simple chemical reactionse.g. zinc + hydrochloric acid → ? + hydrogen · 21 questionsPractice
  2. 8.2Neutralisatione.g. Read the measuring cylinder · 17 questionsPractice
  3. 8.3Investigating acids and alkalise.g. Is it a fair test? · 20 questionsPractice
  4. 8.4Detecting chemical reactionse.g. How do you test for oxygen? · 17 questionsPractice

Unit 9: Electricity →

  1. 9.1Flow of electricitye.g. Which way do electrons flow? · 15 questionsPractice
  2. 9.2Electrical circuitse.g. Name the circuit symbol · 15 questionsPractice
  3. 9.3Measuring the flow of currente.g. What is the unit of current? · 15 questionsPractice
  4. 9.4Conductors and insulatorse.g. Why doesn't the painted car door conduct? · 15 questionsPractice
  5. 9.5Adding and removing componentse.g. What does the ammeter read with two lamps? · 15 questionsPractice