The Earth Distance from Sun 149,669,000km

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Presentation transcript:

The Earth Distance from Sun 149,669,000km The only known planet that life exist. Has water Has oxygen Average Temperatures are tolerable for life to exist.

Atmosphere

Sun-Earth Relationship

Even more angled! = even larger surface area = more spread out

Angle of the Sun’s rays and its effect on the amount of heat absorbed by the different parts of the Earth More or less overhead Sun’s rays at the Equator Low angle of Sun’s rays at the Tropic of Cancer Effect on temperature by the heat energy absorbed by the Earth? Effect on temperature by the heat energy absorbed by the Earth? Heat energy is spread out over smaller surface area – more heat absorbed per unit square – Earth is overall hotter Heat energy is spread out over larger surface area – less heat absorbed per unit square – Earth is overall cooler

Tilted Axis of the Earth

Is the Earth tilted at its axis? Line of Axis

Has the tilt of the Earth have an influence on the amount of heat absorbed by the Earth?

Is the Earth tilted at its axis? Line of Axis

[ML101 NOT] Has the tilt of the Earth have an influence on the amount of heat absorbed by the Earth?

2 Movements of the Earth Rotation about its tilted axis (23.5o) Revolution of the Earth around the Sun. What do these 2 movements together lead to?

2 Movements of the Earth Rotation about its tilted axis (23.5o) Revolution of the Earth around the Sun. What do these 2 movements together lead to? Day/Night Differring Seasons What does this mean?

2 Movements of the Earth Rotation about its tilted axis (23.5o) Revolution of the Earth around the Sun. What do these 2 movements together lead to? Day/Night Differring Seasons = differing climates & living conditions on Earth

The Latitudes North Pole 90oN 66.5oN 23.5oN 0o 23.5oS 66.5oS Sun’s rays South Pole 90oS

Rotation of the Earth about its tilted axis of 23.5o The rotation of the Earth causes : Day and Night

Differing lengths of Day and Night 24 hours Night B Longer Night Sun’s rays Day Nightt Equal length of Day and Night C 24 hours Day D Longer Day E

The Revolution of the Earth about its tilted axis and the 4 Seasons Mar 21 Dec 22 June 21 Sept 23

Can you explain the seasons?

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