CARIBBEAN PRIMARY SCIENCE Workbook 5 - Macmillan Caribbean

CARIBBEAN PRIMARY SCIENCEDavid and Penny Glover David and Penny GloverWorkbook 5This course has been written This course through has a close been written through a close collaborationcollaboration between experienced between experienced teachers and teachers primary and primary sciencescience specialists. specialists.• Fortuna Anthony • Pamela • Fortuna Hunte Anthony • Nelson • Pamela Longsworth Hunte • Nelson Longsworth• Eulie Mantock • Frank • Newton Eulie Mantock • Ryan Mongroo • Ryan Mongroo • Frank Newton• Doltan Ramsubeik • Motielall • Doltan Singh Ramsubeik • Dwight • Moteilall SteadfordSingh • Dwight Steadford

ContentsUnit 1 Weather and climateThe Earth and its atmosphere 4Weather conditions 5Weather measurements 6The Caribbean climate 7Climate change 8The hole in the ozone layer 9Unit 2 ForcesForces and their effects 10Force and transport 11Forces and machines 12Floating and sinking 13Doing work 14Investigating friction 15Using friction 16Unit 3 EnergyUsing energy 17Energy forms and transformations 18Heat and its effects 19Temperature changes 21The particle picture of matter 22How heat travels 23Conductors and insulators 25Heat in the home 27Heat safety 28Unit 5 Living thingsClassifying living things 36Plants are producers 37Energy flow in a food chain 38Ecosystems 39Adaptation and survival 40Wetlands 42Unit 6 Light and soundLight and seeing 43Light and materials 44Making shadows 45Sound 46Hearing sounds 48Sounds – good and band 50Unit 7 The Earth in spaceDay, night and the seasons 52The phases of the Moon 53Tides 54Eclipses of the Sun and the Moon 55Stars and galaxies 56Unit 4 Growth and nutritionFood and nutrition 29Grouping foods 30A balanced diet 31Food and energy 33Digestion 34Deficiency diseases 35

UNIT 1 weather and climateThe Earth and its atmosphere1. Mark each of these statements as true () or false ().(a) The force of gravity holds the atmosphere around the Earth. ( )(b) Oxygen is the most abundant (common) gas in the atmosphere. ( )(c) Most of the gas that makes up the atmosphere is within 30 kilometres of the Earth’ssurface. ( )(d) The higher you rise in the atmosphere, the hotter it gets. ( )2. The atmosphere contains water vapour. Explain briefly:(a) What causes water vapour to enter the atmosphere?____________________________________________________________________________________(b) What becomes of this water vapour as hot air rises?____________________________________________________________________________________3. Label these clouds with their names.Cumulus Stratus Cirrus4. Match the cloud names to their meanings. Draw lines.Cumulus‘lock of hair’Stratus‘heaped’Cirrus‘layered’4

UNIT 1 weather and climateWeather conditions1. Match these words to their definitions. Write each word in the correct space.temperature pressure humiditydepression(a) The force per unit area that the atmosphere exerts on everything in it. ________(b) A measure of the amount of water vapour in the air. ________(c) A region of low atmospheric pressure. ________(d) A measure of how hot or cold something is. _______2. Match these weather symbols to their meaning. Draw lines.sunny intervalsstrong north winddepressiontemperature 40°Cthunderstorms3. Mark each of these statements as true () or false ().(a) Winds blow from low pressure to high pressure. ( )(b) When the humidity is 80% the weather feels hot and sticky. ( )(c) If the pressure lines on a weather map are close together there will be strong winds. ( )(d) Clouds form when air in the atmosphere sinks and gets warmer. ( )4. Describe briefly:(a) how you can demonstrate that the atmosphere contains water vapour.____________________________________________________________________________________(b) how clouds form.____________________________________________________________________________________5

UNIT 1 weather and climateWeather measurements1. Unscramble the letters to find four weather instruments.t m o h e t r m e e rm o a n t e e m e r_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _r o m h y g r e t et e b a r o m e r_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _2. Match the weather instruments in question 1 to their uses. Write the name of each instrument inthe correct space.(a) An instrument to record wind speed. ______________________________________(b) An instrument to measure humidity. _______________________________________(c) An instrument that measures air pressure. __________________________________(d) An instrument that shows the temperature. _________________________________3. Record the readings on these thermometers.4. Record the readings on these rain gauges.6