SCIENCE REVISION WORKSHEET - JUNE 2018 NAME.. YEAR

Transcription

1 SCIENCE REVISION WORKSHEET - JUNE 2018 NAME.. YEAR 5. (Answer on a refill pad sheet) LIVING THINGS AND THEIR HABITAT: 1. Which three things do plants need to make food? 2. The movement of pollen from the stamens to the carpel has a special name. What is it? 3. What is the main job of the stamen? 4. What is a life cycle? 5. Name the parts of plants. 6. What is the function of fruits and flowers? 7. What organ does a plant need to reproduce? 8. Why do plants disperse their seeds? 9. Which part protects the ovules? 10. What are the male and female parts of a flower called? 11. When a seed germinates, what is the first plant part to grow out of the seed 12. Name any two non-flowering plants. 13. What are the two different ways of reproduction of plants? 14. What is meant by asexual reproduction of plants? 15. How can plants reproduce asexually naturally? 16. Join up the organisms below to their correct habitat. 17. Complete the sentences below by using these words.(environment,adaptation, habitat, water proof) a) A is the place where an organism lives. b) An is a special feature that helps an organisms to survive. c) An adaptation of a cactus is a thick outer covering. d) An organism s surroundings are called it s. 18. What are the two types of metamorphosis? 19. How many stages are in complete and incomplete metamorphosis? 20. Name the stages in complete and incomplete metamorphosis? 21. Label the stages of metamorphosis. Identify the pictured life cycle as complete and incomplete metamorphosis and what are the difference between the two types of metamorphosis? 1

2 22. Identify each stage of the complete metamorphosis of the butterfly 23. Write the reason for this adaptation Animals, including humans: 1. Where does a human life cycle begin? 2. Which is the last stage of the human life cycle? 3. By which stage of the human life cycle has your body fully developed? 4. What is adolescence? (When children become teenagers/ when teenagers become adults) 5. Which stage of the human life cycle follows the foetus? Materials and their properties: 1. Complete the spaces in the given table. 2. Join up the words in the left-hand column with their meanings in the right-hand column. Diffusion A solid changing to a liquid. Ice The spreading out of particles. Melting The solid state of water. State of matter A solid, liquid or gas. 2

3 Evaporation Condensing A gas changing to a liquid. A liquid changing to a gas. 3. Metals can be beaten into sheets. What is that property called? Why is copper used to make wire in circuit? Class 6 want to find out which material is best at keeping drinking chocolate hot. The class have four identical plastic cups. They wrap each one in a different material. They put the same amount of chocolate drink in each cup and put lids on. What property the material should have if it is best at keeping the drink hot. The material should be 6. A material that does NOT let electricity pass through it is called. 7. Stainless steel pans are usually provided with copper bottoms. The reason for this could be that a) copper bottom makes the pan more durable. b) such pans appear colourful. c) copper is a better conductor of heat than the stainless steel. d) copper is easier to clean than the stainless steel. 8. Modern aircraft are made of aluminum, this is because it is a) brittle b) light weight c) elastic d) magnetic Separating Mixtures: 1. Which one of these best describes a solid? a) My particles are packed tightly together. I keep my shape. b) My particles are loosely packed. I take the shape of my container. c) My particles have lots of room. I try to spread out in every direction. 2. How could you separate a mixture of sand and salt? a) Mix with water, filter, and then evaporate b) Mix with water, evaporate and then filter c) Filter and then mix with water 3. One of these funnels has a clay soil in it. The other has a sandy soil in it. Water is poured into each funnel. a) Which container will contain the most water after 5 minutes? Put a cross under the correct drawing. 3

4 b) Explain why you chose this container? 4. I ve dropped a bag of small plastic beads into a box full of sand. How can I separate them in less than a minute? (Dissolve the sand in water leaving the beads behind / Use a magnet to pick up a bead / use a sieve) 5. Explain why a magnet would help me to separate plastic paper clips from metal ones. 6. What do we call a mixture of water and dissolved sugar? Types of Change: 1. What evidence shows that ice has a physical change when left out in a room? A. It reacts with oxygen in the air. B. It changes to water C. It is hard and white. D. It is cold to the touch. 2. What new materials are formed when a candle burns? Melted wax/ Water and carbon dioxide and soot/ No new materials are formed 3. Digestion of food. ( chemical change/ physical change/ none of these) 4. Which process is the opposite of condensation?( Melting/ Melting/ Evaporation) 5. Which of these observations would show that a burning candle has physical changes? A. Black smoke is given off; hot gases are rising. B. The wax starts to melt. C. The flame glows red and orange. D. Time passes one minute at a time. 6. What is the scientific name for the process in which water changes into water vapour? 7. a) Gaby has four different solids. Her teacher asks her to find out what the solids are. Mia mixes a teaspoon of Each solid into different beakers of water. She records her observations in Table 1 4

5 What is the name of the process that has happened to solids B and C? b) Gaby puts a teaspoon of solid B into a beaker of vinegar. Then she puts a teaspoon of solid C into another beaker of vinegar. She records her observations in Table2. i)which solid has a irreversible change when mixed with vinegar? Solid B or solid C ii) What evidence shows the change to the solid you chose is irreversible? 8. Mark filled two similar beakers P and Q with 100cm³ of water. He placed beaker P in the open on a sunny and windy day. Beaker Q was placed in a dark room. Twenty four hours later, he observed that the water levels in both the beakers had decreased. He recorded the volume of water left in the table below. Beakers Volume of water at first(cm 3 ) Volume of water at the end(cm 3 ) P Q Which one of the following statement is NOT correct? a)the rate of evaporation is higher in beaker P than Q b)some of the water in beakers P and Q had evaporated c)heat helped to increase the rate of evaporation in beaker Q 9. Justine lights a candle. (When a candle burns, non- reversible change happen.) Complete the table to show if the observation is evidence of a reversible or a non-reversible change. Tick ONE box in each row. Forces: 1. What is the unit of force?(amp/newton/centimeter/gram) 2. When two magnets repel each other, they...( push away from each other/pull towards each other) 3. The more you squash or compress a spring down with your hand... a) the bigger the downward force on your hand b) the smaller the upward force on your hand c) he bigger the upward force on your hand. 4. Rougher surfaces have...( greater friction/less friction/the same level of friction) 5

6 5. On which surface will a toy sledge travel the least distance?(carpet/polished wood/ice) 6. A screwdriver can be used to open a can of paint. In this situation, the screwdriver is being used as a 7. If the effort applied to lift the book is applied closer to the pencil, will it get harder or easier to lift? 8. If you pour oil onto a wooden surface, the friction would (be reduced/be increased/remain the same) Which of the following statements is true for this figure. a) B is the fulcrum, C is the resistance, A is the effort b) B is the resistance, C is the fulcrum, A is the effort c) B is the fulcrum, A is the effort, C is the resistance d) B is the resistance, A is the fulcrum, C is the effort 10. Draw arrow and label to show places where friction is at work when driving a car. 11. Abdul has some stacking masses. He puts one mass on the stacking tower. He uses a forcemeter to pull the tower. There is a force on the tower from the forcemeter. Draw an arrow on the picture below to show the direction of this force. (b) Abdul measures the force needed to pull the tower. He notes the forcemeter reading each time he adds a mass to the tower. Look at the notes of Abdul s results. Describe what Abdul s notes tell him about the number of masses and the size of the force needed to pull them.. (c) Abdul puts his results into this table, but he makes a mistake. Number of masses Forcemeter reading

7 Earth, Sun and Moon: 1. How long does it take the Moon to travel once around the Earth?( 24 hours/ 28 days/ 12 months) 2. Which of these is NOT true? a) The Sun rises in the east and sets in the west b) The Sun is highest in the sky at midday c) The Sun moves westwards around the Earth 3. Imagine you were standing underneath a tree. When would the shadow of the tree be shortest? a) At sunrise b) At midday c) At sunset About how long does one rotation of the Earth take? (12 hours/ 24 hours/ 30 days/365 days) 5. George makes a model of the Sun, Earth and Moon. He uses two bread rolls and a 25 fils coin. 8 Put a cross in THREE boxes to show some changes that would make George s model more accurate. a)the Sun should be bigger. c)the Moon should be the same size as the Earth. e)the Sun should orbit the Earth. b)the Sun should be a sphere. d) The Moon should be an oval. f)the Moon should be closer to the Earth. 6. The Hubble telescope takes 95 minutes to go around the Earth. What word describes the path something takes around a planed or the Sun? 7. How long does Earth take to go around the Sun? 8. The imaginary line that the earth spins around is called its 9. It takes one for the Earth to turn once. 10. The Sun rises in the and sets in the 11. Our shadows are longest in the and in the evening. 12. At the sun is at its highest in the sky. 13. The changing appearance of the moon is called its 14. We cannot see the moon when it is a 15. A moon appears 14 days after a new Moon. 16. The Moon has much mass than the Earth. 17. You would weigh times less on the Moon. 18. a) One sunny day, some children use a rounders post to make shadows in their playground. When light shines on the rounders post, a shadow forms. 7

8 Where does the light come from?.. b) The rounders post makes a dark shadow. Chose any ONE to complete the sentence below. The rounders post makes a dark shadow because it is... ( opaque/ smooth/ solid/ transparent/ tall/ heavy) c) The children draw round the shadow of the rounders post every half hour from 9:30 until 12 noon. They measure the length of each shadow and record their results in this table: What happened to the length of the shadow during the morning? (d) The children make a line graph to show the results from the morning. Continue the line on the graph to show how the length of the shadow would change between 12 noon and 2:30pm. 19. What time of day would it be if the stick made shadows like these? 20. Draw the stick and its shadow for these times: a) 8am b) 2pm 8