Day and Night Worksheet Name: _______________ Q1) Match the terms to the definitions below Axis The spinning of a body on its axis. Hemisphere The path followed by an object in space as it revolves around another object. Orbit The imaginary line about which an object in space spins Revolution Half a sphere Rotation Movement of one body around another body. Q2) Complete the sentences a) The earth takes ________ hours to rotate once on its axis. b) We have seasons because the earth’s axis is __________. c) In summer the ________ are longer than the _______. d) The earth’s axis is tilted at an angle of ______ degrees. e) When it is spring in Australia, it is ________ in the Northern Hemisphere. f) The earth revolves ________ around the sun each year when viewed from above the north pole. g) In December the South Pole tilts _______ the sun. Q3) If you are sitting on a horse on a merry-go-round does the horse revolve or rotate? Explain ________________________________________________________ ________________________________________________________ Q4) Label the diagram below with the following words: North pole South pole Equator Northern hemisphere Southern hemisphere Q5) Study the diagram below. Look at Ireland and Australia. a) b) c) d) Which country is in daylight? _______________ Which country is in darkness? _______________ Which country is having winter? _______________ Which country will have the longest period of daylight? ________________ Q6) Finish these sentences. a) Our day is 24 hours long because that is the time it takes the Earth to: ________________________________________________________ ________________________________________________________ b) A year has 365 days because that is the number of whole days it takes the Earth to: _______________________________________________________ _______________________________________________________ Q7) Why do we need to have a leap year once every four years? ________________________________________________________ ________________________________________________________