7 l1 the earth in space
TRANSCRIPT
7L.1 The Earth in space (HSW)April 12, 2023
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.
7L.1 The Earth in space (HSW)April 12, 2023
Day: the time it takes for the Earth to spin on its axis
Month: the time it takes for the Moon to orbit the Earth
Year: the time it takes for the Earth to orbit once around the Sun
The Moon
The Earth
The Sun
Time lapse of the Earth from space
Day and night on Mars
Stand up and gather round
Earthheat light
satellite orbits28
2 5 4
31
365.254
Sun365
1 year24 hours
Powers of ten
Homework
• Read chapter 7L• Begin preparing for the end of year test• Complete worksheet 7La/1
Learning Objectives
• State how long a day, a month and a year is• Describe the motion of the Sun across the sky• Describe how the Earth moves around the sun• Explain why we get day and night, and years
and leap years• Make predictions about time of day