1. Living things Some oak seedlings are growing near a fully grown oak tree. Give TWO reasons why seedling A in the picture may not grow well. (a) ...................................................................................................................... ...................................................................................................................... (b) ...................................................................................................................... ...................................................................................................................... 2 marks 2. Plants (a) The children left two squares of plastic on healthy grass for five days. The chart shows what they found when they lifted the plastic. type of plastic colour of grass black yellow clear green Why was the grass yellow where the black plastic had been? ...................................................................................................................... ...................................................................................................................... 1 mark 1 (b) What do all plants need to grow well? Tick TWO boxes. pots insects worms water rocks air 2 marks (c) Animals take in their food. Plants do not. How do plants obtain food? ...................................................................................................................... ...................................................................................................................... 1 mark (d) Which of the following sentences are true? Tick TWO boxes. The roots of a plant take in water. The roots of a plant make seeds. The roots make food for the plant. The roots anchor the plant. The roots of a plant make it green. 2 marks 3. Parts of a Plant (a) Different parts of the plant have been labelled. Where in the plant do the following two things happen? 2 Write a letter for the correct part of the plant in the box. (i) Part of the plant where water and nutrients are absorbed from the soil 1 mark (ii) Part of the plant where seeds will form 1 mark (b) What must all plants have to grow well? Tick TWO boxes. light worms gravel 1 mark darkness nutrients pots 1 mark 4. Growing Seeds (a) Martin and Jane are growing seeds. Tick ONE thing all the seeds must have to start to grow. light water salt soil 1 mark (b) The seeds start to grow. Martin covers the seedlings with a polythene bag. Jane covers her seedlings with black paper. After a few days the leaves of Jane's seedlings are yellow. Why do the seedlings under the black paper have yellow leaves? ...................................................................................................................... 1 mark 3 (c) Martin's seedlings grow strong and healthy leaves. Explain why the leaves are important to a plant. ...................................................................................................................... 1 mark (d) Martin measures the roots of his pea seedlings. Graph to show rate of growth of roots 50 40 Length of 30 root (mm) 20 10 0 0 4 8 12 16 Day 20 24 Look at the graph. When are the roots growing fastest? Tick ONE box. day 0 to day 4 day 8 to day 12 day 16 to day 20 day 20 to day 24 1 mark 5. Flowers and Bees Kate and Simeon want to find out which colour flowers bees will visit most. They make model flowers of different colours. Bees feed on nectar from flowers. Kate and Simeon make their own nectar using 40g of sugar and 100cm3 of water. They put 10 drops of nectar in the centre of each model flower. 4 They put their flowers outside then count the bees that visit the flowers. They keep a record of the weather for each hour. (a) Here are the children's results. Number of bees each hour Colour of flower 9am–10am sunny 10am–11am sunny and cloudy 11am–12noon cloudy red 4 3 2 blue 8 6 3 white 4 4 1 yellow 6 5 2 Which colour of flower do the bees visit most? ...................................................................................................................... 1 mark (b) Use the information on the table to say how the amount of sunshine affects the number of bees that visit the flowers. ...................................................................................................................... ...................................................................................................................... 2 marks (c) Write TWO things that the children could keep the same to help make their test fair. (i) ............................................................................................................. 1 mark (ii) ............................................................................................................. 1 mark 6. Plants (a) Write in the boxes the correct name for each part of the plant. One has been done for you. 5 3 marks (b) The table below describes what these four parts of the plant do. Write the correct number of each part of the plant next to what the part does. Number What the part of the plant does makes food using sunlight produces pollen receives pollen attracts insects for pollination 4 marks 7. Seaweeds (a) Seaweeds are plants. They live in the sea and on the seashore. Some children are using a key to identify two brown seaweeds. Use the key below to help you name seaweeds A and B. A ........................................... B ............................................ 6 Is it brown? Yes No Does it have a rounded holdfast? Yes Is it green? No Bladder wrack Yes Does it have only one frond? Yes Sea lettuce No Dulse No Sugar kelp Oarweed 2 marks (b) One of the seaweeds on the key is red. Name the red seaweed. ...................................................................................................................... 1 mark (c) This seaweed has a flexible stem. flexible stem Waves pull the seaweed in different directions. Explain how a flexible (bendy) stem helps this seaweed to survive in the sea’s waves. ...................................................................................................................... ...................................................................................................................... 1 mark (d) Seaweed has a holdfast which keeps it in place. Plants that live on land do not have a holdfast. What part of a land-plant keeps the plant in place? ...................................................................................................................... 1 mark 7 (e) The seaweed’s fronds use light to make food material so that the seaweed grows. What part of a land-plant uses light to make food material? ...................................................................................................................... 1 mark 8. Vegetable Patch (a) Kami sees all of the things below while he is working in his vegetable patch. Tick FIVE boxes to show which of these things are living. 2 marks (b) Kami grows cabbages in his vegetable patch. Some of the cabbages are eaten by snails. Some of the snails are eaten by birds called thrushes. Write a food chain to show this information. Use arrows in your food chain. .............................. .............................. .............................. 2 marks (c) A cabbage has many leaves. 8 Tick ONE box to show why leaves are important to a cabbage plant. The leaves... attract insects. anchor the plant in the ground. collect pollen. produce new material for growth. 1 mark (d) Kami cuts a cabbage in half. The leaves on the outside of the cabbage are dark. The leaves on the inside are a pale yellow colour. Which statement best explains why the leaves on the inside are paler? Tick ONE box. The leaves on the inside of the cabbage get... less light. less water. more minerals. more air. 1 mark 9. Bean seeds (a) Aysha has three different types of bean seed. She wants to find out which bean seed germinates most quickly. (i) Does using the same type of soil for each bean seed help to make Aysha’s test fair? Tick ONE box. yes (ii) no Give a reason for your answer. ............................................................................................................. ............................................................................................................. 1 mark 9 (b) (i) Does using watering cans of the same colour for each bean seed help to make Aysha’s test fair? Tick ONE box. yes (ii) no Give a reason for your answer. ............................................................................................................. 1 mark (c) The table shows some of the factors in Aysha’s investigation. Complete the table to show how Aysha should carry out her investigation. Tick ONE box in each row. Factor Factor to be changed Factor to be kept the same Result to be measured the type of bean seed the time taken for the seed to germinate the place where the seeds are left the type of pot the seed is grown in 2 marks (d) Sarah thought it would be better if Aysha used more than one of each type of bean. How could using more than one of each type of bean improve Aysha’s investigation? ..................................................................................................................... ..................................................................................................................... 1 mark 10. Mustard seeds (a) Evan investigates how temperature affects the germination of mustard seeds. Evan has three dishes. He puts some paper towel and 40 mustard seeds in each dish. 10 He puts one dish in a fridge, one dish in a dark shed and the last dish in a cupboard. He waters the seeds regularly. Describe TWO things Evan should keep the same to make sure his test is fair. 1. .................................................................................................................. 1 mark 2. .................................................................................................................. 1 mark (b) Evan counts the number of germinated seeds in the dishes each day. Place Temperature of place Number of germinated seeds Day 1 Day 2 Day 3 fridge cold 0 0 0 dark shed cool 0 12 24 cupboard warm 0 25 39 How many germinated seeds did Evan count in the dark shed on day 2? ...................................................... seeds 1 mark (c) Evan concludes: ‘My results show that the cupboard was the best place for mustard seeds to germinate.’ Explain how the evidence in the table supports Evan’s conclusion. ...................................................................................................................... ...................................................................................................................... 1 mark (d) Use the table of results above to answer this question. Tick ONE box after each sentence to show if, in Evan’s investigation, it is true, false or you can’t tell. 11 Evan’s investigation shows that the temperature affected... True False Can’t tell the length of the stem. the germination of the seeds. the colour of the seeds. 1 mark 11. Flowers (a) Some children set up an investigation as shown below. They split part of a plant in half. They put one half in water and the other half in water mixed with blue dye. After some time, half of the flower turns blue. What part of the plant did the dye travel through to get to the flower? ...................................................................................................................... 1 mark (b) Predict what would happen if the children put a bunch of white flowers into red dye. ...................................................................................................................... ...................................................................................................................... 1 mark (c) For which life process is the flower important to the plant? Tick ONE box. 12 reproduction growth nutrition movement 1 mark (d) Draw three lines to match each part of the flower to its function. Flower part Function stamen seeds are made here ovary produces the pollen stigma pollen collects here 1 mark 12. Seeds Jade looks at these berries. Berries contain seeds. (a) Why do plants produce seeds? ...................................................................................................................... ...................................................................................................................... 1 mark (b) Tick ONE box to show the main way that birds help to disperse the seeds in these berries. Birds shake the seeds out. Birds spread the seeds in their droppings. The seeds catch on the birds’ feathers. Birds carry the seeds in their feet. 1 mark (c) Jade investigates which colour berries show up best. She hangs different coloured beads on some green plants. She uses the same number of beads of each colour. Michael looks for the beads for two minutes. 13 Jade counts how many beads of each colour Michael finds. Here are Jade’s results. (i) Colour of Beads Number found in 2 minutes Black 19 Brown 12 Green 8 Red 25 Which colour was easiest to see on the plants? ............................................................................................................ 1 mark (ii) The children think that the colour of the berries might affect the number of seeds dispersed by birds. How might the colour of berries affect the number of seeds dispersed by birds? ............................................................................................................ 1 mark 13. Woodland survey (a) Sam and Peter measure around the trunks of ten oak trees. They measure five trees growing close together and five trees growing in open space. The trees are all the same age. Here are their results. sizes of tree trunks close together (cm) sizes of tree trunks in open space (cm) 101 318 67 190 80 320 32 400 96 350 The range of measurements for tree trunks growing close together was 32–101 cm. What was the range of measurements for tree trunks growing in open space? ................................................ cm 1 mark 14 (b) Use the information in the tables. Compare the size of tree trunks growing close together with the size of tree trunks growing in open space. ...................................................................................................................... ...................................................................................................................... 1 mark (c) Trees need light to help them grow. How do trees use light to help them grow? ...................................................................................................................... ...................................................................................................................... 1 mark (d) Name TWO other things that trees need to take in to help them grow. Light and .......................................... and ............................................. 2 marks (e) Peter finds lots of fungi under a tree. Write true or false next to each sentence about fungi below. One has been done for you. Fungi are living things. true .............................. Fungi can grow. .............................. Fungi can reproduce. .............................. 1 mark 14. Life Cycle of a Plant F Plant height above soil in cm 20 20 E 15 10 10 G 5 Seed Soil 15 D 0 A B 5 C 0 1 2 3 4 0 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Time in days 15 (a) Children planted a seed of a fast growing plant. How tall did the plant grow above the soil in 28 days? ...................................................................................................................... 1 mark (b) How many days did the complete cycle of the plant take? ...................................................................................................................... 1 mark (c) The diagram above shows the stages in the life cycle of the plant, labelled A to G. Write the correct letter for each of the stages in the table. One has been done for you. stage pollination letter from diagram E fruits on plant .......... germination .......... seed dispersal .......... 3 marks (d) Explain what these parts do to help plants to grow well. (i) Roots .................................................................................................. ............................................................................................................ 1 mark (ii) Leaves ............................................................................................... ............................................................................................................ 1 mark 16