A day is the time it takes for the Earth to spin on its axis. A month is the time it takes for the Moon to orbit the Earth. A year is the time it takes for the Earth to orbit once around the Sun. The document contains information about the definitions of a day, month, and year according to the movement and positions of the Earth, Moon, and Sun in space. It also lists learning objectives about describing and explaining the motions that cause days, months, years, and seasons.

1. 12 May 20117L.1 The Earth in space (HSW)Copy the diagram using a pencil and a pair of compasses. Now label the three spheres with either the Sun, the Moon or the Earth.Now use the diagram to explain what a day, month and year is.

2. 12 May 20117L.1 The Earth in space (HSW)The MoonDay: the time it takes for the Earth to spin on its axisMonth: the time it takes for the Moon to orbit the EarthYear: the time it takes for the Earth to orbit once around the SunThe EarthThe Sun

3. Time lapse of the Earth from space

4. Day and night on Mars

5. Stand up and gather round

8. Earthheatlightsatelliteorbits2825431365.254Sun3651 year24 hours

9. Powers of ten

10. HomeworkRead chapter 7LBegin preparing for the end of year testComplete worksheet 7La/1

11. Learning ObjectivesState how long a day, a month and a year isDescribe the motion of the Sun across the skyDescribe how the Earth moves around the sunExplain why we get day and night, and years and leap yearsMake predictions about time of day