Geography, The Earth - Rotation & Revolution - Season - Day & Night, Grade 8

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State 2 effects of revolution

1. Causes different weather conditions eg. Snow and Rainfall 2. Helps with variation of day and night

How long are the days and nights during spring and autumn?

12 hours of day and 12 hours of night time.

What does equinox mean?

12 hours of daylight/12 hours of darkness on ENTIRE planet

What is the degree of Earth's tilt?

23.5 degrees

How long does it take the earth to complete one rotation?

24 hours or 1 day

How long does it take for the earth to revolve around the sun?

365 days

What direction does the Earth rotate?

Counterclockwise (west to east)

What does the earth's tilt cause?

Day and night and seasons

What are the effects of rotation?

Day and night, Time, Temperature, Wind, Ocean Current

When is the shortest day of the year?

December 21 or 22

What does Earth's rotation cause?

It causes day and night

When is the longest day and shortest night of the year?

June 21

Define the word rotation?

Rotation is the movement of the earth on its own axis.

Define the term axis

The earth is an imaginary line that runs through the two poles.

What does solstice mean?

The longest period of day light and the shortest period of day light

Outline how revolution results in seasons.

The pattern of the tilted earth moving around the sun causes seasons.

Define the word revolution

When the the earth revolves it moves around the sun

What is an orbit?

curved path on which the Earth moves around the Sun

What are the two types of solstices?

summer and winter

What causes the seasons?

the tilt of Earth's axis as Earth revolves around the sun


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