Stars Asteroids and Comets Solar System The Universe What is at the List the planets in What is an asteroid? Put these objects in order of size, smallest first: centre of our Solar order of distance System? from the Sun: ________________________________________ Sun Between which two planets do you find most asteroids? Universe _______________ __________ and __________. Moon _______________ What is a comet? Solar System _______________ __________________________________________ Galaxy _______________ What shape is the orbit of a comet? Jupiter ______________ M_______________ V_______________ What is a star? _______________ _______________ _______________ E_______________ M_______________ J_______________ smallest —> biggest —> _______________ _______________ __________ S_______________ U_______________ N_______________ Planets Which 4 planets are made of rock? 1. ______________ Day & Night Orbits Jupiter is further from the Sun than Mars. Why does it take longer to orbit? What is a satellite? 1. ________________________________________________________ ________________ 2. ________________________________________________________ ________________ 2. ______________ Why do we get day and night? 3. ______________ ________________________________ 4. ______________ What is the Earth’s The Seasons Add the 4 seasons and the date to the diagram below. natural satellite called? _______________ How long is one day on Earth? _________ Give 2 uses of Use this diagram to show how we get day artificial satellites: Planets and night Satellites Which 4 planets are 1. ______________ made of gas? ______________ 1. ______________ 2. ______________ 2. ______________ 3. ______________ 4. ______________ Orbits What forces makes the planets orbit the Sun? __________________________ Orbits Saturn is further from the Sun than Earth. Why is Saturn colder than Earth? ___________________________________________________________ P1 Revision