Earth and Space: Lesson 1 SEASONS
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Science
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4th Grade
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Easy
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47 Slides • 13 Questions
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Earth and Space: Lesson 1 SEASONS
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p. 302
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Open Ended
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Open Ended
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**wet season - rainy / monsoon season
** dry season - low rainfall
@ TROPICS/ TROPICAL REGIONS
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There are only two seasons – an almost six-month long winter night followed by an almost six-month long summer day!
Polar zones/regions (north and south)
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4 Seasons
Summer
Winter
Fall/ Autumn
Spring
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Open Ended
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HIGHLIGHT (p.302)
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Multiple Choice
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Earth's distance from the Sun is not the cause of the seasons.
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This just goes to prove that Earth's distance from the Sun is not the cause of the seasons.
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Multiple Choice
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Earth is divided into halves called hemispheres.
(HIGHLIGHT) p.302
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Multiple Choice
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The prime meridian separates the eastern hemisphere from the western hemisphere.
0 degree longitude
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An equator divides the planet into a Northern Hemisphere and a Southern Hemisphere.
0 degree latitude
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The Northern
Hemisphere extends from the equator to the North Pole.
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The Southern Hemisphere extends from the equator to the South
Pole.
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Multiple Choice
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AXIS
Earth's axis is an imaginary pole going right through the center of Earth from "top" to "bottom."
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Earth has seasons because its axis doesn't stand up straight.
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Multiple Choice
The axis always points in the same direction.
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The axis always points in the same direction.
At this time, that direction is more or less toward the star ----Polaris (the North Star)
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The axis always points in the same direction.
The orientation of Earth's tilt with respect to the sun does change as we orbit the sun.
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Open Ended
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Open Ended
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The hemisphere tilted towards the Sun will experience longer hours of sunlight, and more direct sunlight.
SUMMER TIME!!!!
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During spring and autumn, both hemispheres receive about the same amount of sunlight.
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Throughout the year, this means that either the Northern or Southern Hemisphere is tilted toward the sun and receives the maximum intensity of the sun’s rays.
solstice
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The only times of the year when the intensity of the sun’s rays is equal.
Equinox
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Winter solstice (December 21 or 22): shortest day of the year, marking the start of winter.
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Winter – December, January and February.
NORTHERN HEMISPHERE
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In winter, the weather is cold and we sometimes get snow and frost.
NORTHERN HEMISPHERE
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Vernal equinox(about March 21): day and night of equal length, marking the start of spring.
Northern Hemisphere
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Spring – March, April and May.
NORTHERN HEMISPHERE
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In spring the weather usually turns warmer, trees begin to grow their leaves, plants start to flower.
NORTHERN HEMISPHERE
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Summer solstice (June 20 or 21): longest day of the year, marking the start of summer.
Northern Hemisphere
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Summer – June, July and August
NORTHERN HEMISPHERE
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In summer the weather is usually hot and trees have full green leaves.
NORTHERN HEMISPHERE
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Autumnal equinox(about September 23): day and night of equal length, marking the start of autumn.
Northern Hemisphere
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Autumn – September, October and November
NORTHERN HEMISPHERE
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In autumn the weather turns colder and often rains. The leaves start to change color and fall off the trees
NORTHERN HEMISPHERE
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Multiple Choice
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Multiple Choice
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Open Ended
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Earth and Space: Lesson 1 SEASONS
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