Year 3 Science Revision Booklet
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Plants 2. Match up the key scientific word with the description of their function: 1. Label the parts of the plant. stern absorb water from the soil makes seeds to grow into leaves new plants holds the plant up and carries roots water and nutrients from the soil to the leaves make food for the plant using flowers sunlight and carbon dioxide 3. Complete the sentence: The main function of petals is to . 4. Plants need 4 things in order to grow. List them below: L W A N Year 3 Science Revision Booklet © 2020 twinkl.com
5. Give an example of a plant that needs less of one of these things and explain why. 6. Fill in the gaps to explain how water moves through a plant: 8. Match up the key scientific word with the description of The absorb water through the soil. The their function: transports water to the . Water from the leaves. The stem up more fertilisation a seed starts to grow water from the soil. the plant grows bigger and flowering forms a flower leaves stem sucks evaporates roots the male and female parts pollination of a flower mix in order to 7. Write these 5 different stages of the life cycle of a plant in make seeds the correct order in the diagram below: pollen from the male anther Pollination Germination Fertilisation seed dispersal lands on the female stigma and travels down the style Flowering SeeddDispersal seeds are moved away from germination the parent plant Year 3 Science Revision Booklet © 2020 twinkl.com
9. Describe two ways in which seeds can be dispersed. 1. 2. Year 3 Science Revision Booklet © 2020 twinkl.com
Animals 2. Match each nutrient with the description of what they do. Water keeps the body healthy Including Humans Carbohydrates moves nutrients around the body and helps to get 1. Fill in the missing letters to work out the scientific words and fats rid of waste that are being described in each sentence. Substances that animals and humans need to stay Protein provides the body with energy alive and healthy. Vitamins helps the body to grow n tr e ts and minerals and repair Fibre helps the body digest food Fats that give you energy, vitamins and minerals. 3. Write true or false next to each statement. u sa ur t d All fats are bad for you. Strength to be able to move and grow. Plants can make their own food, but animals cannot. n rg To be healthy, humans need to exercise and eat a balanced diet. In a good physical and mental condition. Animals, including humans, just need food h alt y and air to stay alive. 4. Name two important jobs that skeletons do. Fats that should only be eaten in small amounts. s tu a ed Year 3 Science Revision Booklet © 2020 twinkl.com
5. Use the words below to complete the sentences: 8. Label the bones of the skeleton using the word bank to help you. are soft tissues in the body that contract and relax to cause movement. skull Animals without backbones are called . clavicle are cords that join muscles to bones. scapula ribcage Areas where two or more bones are fitted together are vertebral humerus called . column Joints Muscles Tendons ulna pelvis radius Vertebrates Invertebrates femur 6. Give one example of a vertebrate and one example of an invertebrate. tibia Vertebrate = fibula Invertebrate = 7. Explain how muscles work using the words pairs, contract and relax. skull fibula femur humerus clavicle scapula radius pelvis ribcage tibia ulna vertebralacolumn Year 3 Science Revision Booklet © 2020 twinkl.com
Rocks 3) Write the different into the table below. rocks from the word bank 1) Fill in the missing words. Rock that has been formed from magma or lava is Igneous Sedimentary Metamorphic called . Rock that has been formed by layers of sediment being pressed down hard and sticking together is called . Rock that has changed over time due to extreme heat or sandstone concrete chalk pressure is called . basalt limestone obsidian sedimentaryarock igneousarock brick granite coadeastone sedimentaryarock 4) Explain in your own words what a fossil is. 2) Match up the property with its description: permeable able to last for a long time does not allow liquids to pass impermeable through it. allows liquids to pass durable through it high density heavy and compact Year 3 Science Revision Booklet © 2020 twinkl.com
5) Number the sentences from 1-5 to show the order of the process of fossilisation. Over the thousands of years, sediments enters the mould to make a cast fossil. An animal dies. It gets covered with sediments which eventually become rock. An erosion and weathering take place, eventually the fossil becomes exposed. More layers of rock cover it. Only hard parts of the creature remain such as the bones and teeth. Changes in sea level take place over a long period. 6) True or false? An archaeologist studies fossils. 7) Soil is made up of a mixture of things. Name two of them. and Year 3 Science Revision Booklet © 2020 twinkl.com
Light 3) Fill in the table below with everyday objects that reflect well and objects that do not reflect well. 1) Write true or false next to each statement. Objects that reflect well Objects that do not Light travels in zigwigzag lines. reflect well Light travels in zigwigzag lines. When light hits an object, it stops. We see when reflected light hits our eyes. 2) Draw lines to show how light reflects off these two different surfaces. 4) Name three light sources. A rough and uneven surface. 5) Fill in the missing words in the passage below: The control the amount of A smooth, shiny, that enters the eyes. If too much light enters, it can flat surface. damage the . can be worn to the retina as they some of the light from getting through. Year 3 Science Revision Booklet © 2020 twinkl.com
6) Match the words to the correct definitions: 8) Say whether each statement is true or false. A shadow is caused when light objects that let light travel passes through a translucent object. opaque through them easily When an object is closer to the light source, the shadow is larger. objects that let some light through but scatter The further away an object is translucent from the light source, the smaller the light so we can’t see through them properly the shadow. 9) Shade the area where the girl's shadow would be in the two pictures below: objects that do not let any transparent light pass through them midday sunset 7) Fill in the table below with opaque, translucent and transparent objects. Opaque Translucent Transparent Year 3 Science Revision Booklet © 2020 twinkl.com
Forces and Magnets 3) Name two surfaces that when an object moves over it. produce more friction 1) Write true or false next to each statement. and A force is a push or pull. 4) Fill in the missing words in the passage below Friction is a force. using the word bank to help you: More friction is caused when an A magnet is an object which produces a agneticmagnetic object moves over a smooth surface. force that pullspulls certain objects towards it. Objects 2) Draw two arrows to show the force and which are attractedattracted to a magnet are called friction in the situation below. magnetic. Objects which are not attracted to a magnet are called non-magneticnonmic. When a magnetic force pulls a magnetic object towards it, a magnetic fieldfield is made. A magnetic field is invisibleinvisible. attracted field magnetic pulls non-magnetic invisible 5) Circle which of the following materials are magnetic: iron plastic wood nickel copper aluminium cobalt Year 3 Science Revision Booklet © 2020 twinkl.com
6) What are the two ends of a magnet called? and 7) Use arrows to show when the poles will repel (push away) each other and when they will attract (pull together) each other. Year 3 Science Revision Booklet © 2020 twinkl.com
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