GRADE 6 SCIENCE REVISION

Transcription

1 Multiple choice questions Circulation 1. What does your heart do? It pumps air around your body It pumps blood around your body It pumps blood to just your muscles 2. Which of these would make your heart beat the fastest? Lying down Sitting on a chair Swimming 3. What does your pulse rate tell you? How fast your heart is beating How fast you are running How old you are 4. Why does your heart beat faster when you exercise? Because it gets excited To get oxygen to your muscles more quickly To make a louder noise 5. Veins carry blood... towards the heart away from the heart inside the heart 6. James wants to become healthier. Which of these would NOT help him? Regular exercise Eating a healthy diet Using the car more instead of walking 7. Blood moves round your body in special tubes called blood vessels. Which of these is NOT a blood vessel? A vein

2 An artery A ventricle 8. What happens to your blood when it reaches your lungs? It picks up oxygen It picks up carbon dioxide Nothing 9. What is the most important reason why smoking cigarettes is bad for you? Because cigarettes can burn your fingers Because cigarettes can harm your heart and lungs Because the smoke can get in your eyes 10. Which is the most important reason why you should NOT drink alcohol before driving a car? Because you might need to go to the toilet Because alcohol makes you less careful so you might have an accident Because you might get stopped by the police Microorganisms - 1. Most microorganisms cannot be seen without a... Telescope Periscope Microscope 2. Which of these is NOT true about microorganisms? They are all harmful They feed and grow They reproduce 3. What is yeast used for? To cure chickenpox To make bread rise To make yoghurt 4. Why should cooked and uncooked foods be stored separately? Because bacteria only like cooked food

3 Because bacteria only like uncooked food To stop bacteria spreading from one to the other 5. Which of these is NOT caused by a microorganism? Measles A sprained ankle Tooth decay 6. Which of these microorganisms is useful? Bacteria that decompose leaves Salmonella Chickenpox virus 7. Which of these microorganisms is harmful? Yeast Bacteria in yoghurt Fruit mould 8. Bacteria and viruses are both types of microorganisms. Which is smaller? Bacteria Viruses They are both the same size 9. Cleaning your teeth regularly helps prevent tooth decay because... Microorganisms don't like the taste of toothpaste Brushing removes sugar that microorganisms like to eat Brushing removes all microorganisms from your mouth 10. Which of these is true? Microorganisms are all around us Microorganisms are only found in the kitchen All microorganisms cause illness Plant and animal habitats - 1. Which of these things are you NOT likely to find in a park or garden? An earthworm An oak tree

4 A crab 2. Which of these animals is most likely to live in a pond? A water spider A caterpillar An ant 3. Which of these is most likely to grow in woodland? Algae An oak tree A cactus 4. A habitat is an animal behaviour a shop where animals go to buy things for their homes a place where animals and plants live 5. Which collection of animals might you find in a seashore habitat? Zebras, lions and elephants Owls, caterpillars, oak trees Barnacles, seagulls, crabs 6. A frog is adapted to its pond habitat by being brightly coloured having webbed feet growing into an adult frog 7. Why does a heron have a long sharp beak? To catch fish To look cool To fly faster 8. Why do African elephants have big ears? To keep cool To hear better To fly 9. Where would you expect to find a woodlouse? In a hot, sunny place In a dark, damp place

5 In a dark, dry place 10. Which habitat does a rabbit live in? Desert Meadow River Skeletons and muscles 1. Which part of your skeleton protects your brain? Your skull Your ribs Your pelvis 2. Which part of your skeleton protects your heart and lungs? Ribs Backbone Skull 3. As you grow, your skeleton... grows stays the same size gets smaller 4. Which of these animals has its skeleton on the outside of its body? An ant A horse A fish 5. How does your arm bend up and down? One muscle pulls your arm up and another muscle pulls your arm down One muscle pulls your arm up and the same muscle pushes your arm down again The bones inside your arm move on their own 6. Muscles always work in pairs. When one contracts, the other...

6 contracts expands relaxes 7. Which of these things is NOT true about your skeleton? It supports and protects your body It makes you grow It helps you move 8. Why do you think some animals, like crabs and insects, shed their outer skeletons? Because they get too hot Because their skeletons get too loose Because their skeletons don't grow Check score Evolution and Inheritance 1. Which of these things is false? Plants have roots Plants have leaves Plants have legs 2. Which of these things is NOT an animal? A bee A buttercup A human 3. All humans... have two eyes have curly hair grow to the same height 4. How are birds and insects different? Birds have wings, insects do not Birds have feathers, insects do not

7 Birds have legs, insects do not 5. Which of these animals can fly? A penguin A squirrel A thrush 6. How many legs does a bee have? Six Four None 7. Which of these is true? All animals have tails All animals can swim All animals move 8. What is the main difference between a buttercup and an oak tree? A buttercup is a plant; an oak tree is not An oak tree is a plant; a buttercup is not An oak tree grows much taller 9. How are humans and birds the same? They both have two arms They both have two legs They both have feathers 10. Which of these things would be easiest to change? The colour of your eyes The length of your hair The shape of your face

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