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EARTH AND SPACE TEKS 8.7A (R), 8.7B (R), 8.7C (S), 6.11B (S) © Hedgehog Learning The Earth rotates once every________________ 24 hours or 1 day. The rotation of the Earth day and night causes ____________since the side facing the Sun is always moving. The rotation of the Earth does not cause seasonal changes. © Hedgehog Learning ROTATION OF THE EARTH NIGHT DAY sunlight The Earth revolves around days or the Sun every 365 _________ 1 year __________. REVOLUTION OF THE EARTH SUMMER WINTER The Earth’s revolution changes of the causes the _____________ seasons ______ due to the tilt of the Earth. The revolution of the Earth does not cause day or night. © Hedgehog Learning WINTER SUMMER Phases of the Moon The Moon revolves around the Earth about once every month. What phase of the Moon will occur about two weeks after a full moon? What phase of the Moon will occur about one week after the first quarter? © Hedgehog Learning Phases of the Moon The Moon revolves around the Earth about once every month. What phase of the Moon will occur about two weeks after a full moon? A: New Moon What phase of the Moon will occur about one week after the first quarter? A: Full Moon © Hedgehog Learning Mass = Gravity Gravity is the force that holds the solar system together. The mass (and thus gravity) of the Sun keeps all the planets orbiting around it. The mass (and thus gravity) of the Earth keeps the Moon orbiting around it. © Hedgehog Learning The Moon has much greater affect on the Earth’s tides because it is closer to the Earth. When the Moon, Sun, and Earth are aligned (new and full Moon), the tides are the greatest (Spring Tide) © Hedgehog Learning © Hedgehog Learning © Hedgehog Learning © Hedgehog Learning L K G A B I D C F M H E J © Hedgehog Learning Igneous Rocks Melting Metamorphic Rocks Weathering Sedimentary Rocks © Hedgehog Learning © Hedgehog Learning © Hedgehog Learning 3rd quarter new full 1st quarter 3 1 2 4 2 © Hedgehog Learning 3 Seasons are caused by the Earth’s revolution and tilt. In the Northern Hemisphere, we are actually closer to the Sun in winter, but our tilt is away from the Sun, so we don’t have direct sunlight. In the summer, even though we are further from the Sun, we receive direct sunlight for the majority of the day, causing it to be warmer. Summer Solstice Winter Solstice © Hedgehog Learning Spring, Northern Summer, Northern Winter, Southern Fall, Southern Fall, Northern Winter, Northern Summer, Southern Spring, Southern 6 months C B and D © Hedgehog Learning