Earth in Space – Vocabulary Match the words to correct definition Axis: The force that pulls towards the centre of Earth. Gravity: When the Earth moves around so it isn’t lit by the sun. Sunset: An imaginary line through the Earth which runs from pole to pole. Orbit: When our part of the Earth moves around so it is lit by the sun. Sunrise: The path an object takes around another object in space. Solar System: A shape like a ball. Sphere: A system of planets which revolve around a star (or sun) Now use your dictionary to find out what these space words mean. Planets, Asteroids, Eclipse, Satellite, Moon Phases. Now put your words in alphabetical order and copy them into your Science Books Dr. Iffat Sardharwalla August 2006 Earth in Space – Vocabulary Match the words to correct definition Sunrise Gravity Sunset Orbit Axis Solar System Dr. Iffat Sardharwalla August 2006 The force that pulls towards the centre of Earth. When the Earth moves around so it isn’t lit by the sun. An imaginary line through the Earth which runs from pole to pole. Dr. Iffat Sardharwalla August 2006 When our part of the Earth moves around so it is lit by the sun. The path an object takes around another object in space. A shape like a ball. A system of planets which revolve around a star (or sun) Dr. Iffat Sardharwalla August 2006 Dr. Iffat Sardharwalla August 2006