Unit 11
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The document summarizes key facts about the rotation and movement of Earth, the Moon, and their relationship to the Sun. It states that Earth rotates on its axis over 24 hours, causing day and night, and also revolves around the Sun over the course of one year. Similarly, the Moon rotates on its axis over 28 days and also revolves around Earth, completing its orbit every 28 days.
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The document summarizes key facts about the Earth, Moon, and their movements. It explains that the Earth rotates daily on its axis and orbits the Sun yearly, and the Moon rotates monthly on its axis and orbits the Earth monthly. It also describes how day and night occur on Earth due to its rotation, and how the Moon's phases are caused by its changing position as it orbits Earth.The earth and beyond 1
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- Early models of the solar system placed Earth at the center, with planets orbiting it. Copernicus developed the first sun-centered model, though observations were still made with the naked eye. Galileo made improvements to the telescope and observed Jupiter's moons, showing Earth was not uniquely orbited.
- Earth rotates on a tilted axis once every 24 hours, causing day and night as different sides face the sun. This tilt and Earth's revolution around the sun also cause the seasons in each hemisphere.
- The sun is at the center of our solar system, which includes eight planets that orbit it. Pluto is no longer classified as a planet due to its small size and irregular orbit.Seasons and moon
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The document discusses the reasons for the seasons on Earth. It explains that the seasons are caused by the 23.5 degree tilt of the Earth's rotation axis and its revolution around the Sun. While the distance between Earth and Sun changes slightly as the Earth orbits, this variation is not large enough to cause the four seasons. The key factor is the tilt of the Earth's axis, which results in different parts of the Earth receiving more or less direct sunlight throughout the year, creating the seasonal changes in climate.What can we learn about the moon
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The document discusses the phases of the moon. It explains that the moon does not produce its own light, but rather reflects sunlight. As the moon orbits Earth, different portions are illuminated by the sun, appearing as phases from new moon to full moon and back again over the course of 29 days. The eight phases - new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent - are explained in detail based on the moon's positioning relative to Earth and the sun.Solar system and_beyond phisics
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The document discusses key facts about the solar system and beyond, including that there are nine planets in our solar system which orbit the sun. It also discusses that the Earth orbits the sun every 365 days and is kept in orbit by gravity, and the moon orbits the Earth every 28 days due to gravity as well. Further, it covers topics like the tilt of the Earth's axis causing seasons, and that our solar system is just one of many in the Milky Way galaxy and universe.Why does it seems that the sun move
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The document discusses the apparent and real motions of the sun, earth, and stars. It explains that the sun appears to move across the sky each day, but it is actually the earth that rotates daily on its axis, causing day and night. The earth also revolves around the sun once per year. The earth's tilted axis and revolution around the sun together cause the seasons by changing the angle at which sunlight strikes different parts of the earth through the year. Shadows appear in different positions depending on the time of day due to changes in the sun's position as earth rotates.The solar system
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The document compares Earth to other objects in the solar system. It explains that the solar system consists of the Sun and objects that orbit around it, including eight planets. The planets are divided into four rocky inner planets - Mercury, Venus, Earth, and Mars - and four gas giants farther from the Sun - Jupiter, Saturn, Uranus, and Neptune. Each planet is then briefly described, noting their order from the Sun, distinguishing physical characteristics, and composition.Earth gb
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The document discusses the causes of day and night, seasons, the length of a year, and the phases of the moon. It explains that day and night are caused by the Earth's rotation, seasons are caused by the tilt of the Earth's axis, and it takes approximately 365.25 days for the Earth to orbit the sun. It also notes that the phases of the moon are due to its monthly orbit around Earth and its positioning relative to the Earth and sun, which determines how much of its illuminated side is visible to observers on Earth.Science project joyitas group
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The document discusses the phases of the moon and how they occur over a 29 day period. It also explains that the moon does not produce its own light, but rather reflects light from the sun. As the moon orbits Earth, different portions of its surface reflect sunlight towards Earth, appearing as different shapes called phases. The full moon occurs every 29 days when the entire side facing Earth is illuminated.Earth sun moon_true_or_false
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The Earth rotates once every 24 hours, causing day and night. The Earth is tilted on its axis, and its rotation causes the seasons. The moon orbits the Earth once every 28 days, and is the Earth's only natural satellite.The moon
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The moon was formed from debris after a collision between Earth and another object early in its formation. It revolves around Earth while rotating on its axis, so the same side always faces Earth. The moon has no atmosphere and one-sixth the gravity of Earth. It does not produce its own light but reflects sunlight. The changing appearance of the moon's illuminated side from our perspective on Earth causes the monthly cycle of moon phases as the relative positions of Earth, moon, and sun shift.Why does it seems that the sun move
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The document discusses the motion of the Earth and how it causes apparent motion of other celestial bodies like the sun. It explains that the Earth rotates on its axis every 24 hours, which causes day and night. It also revolves around the sun, completing one orbit every 365 days. The tilted axis of the Earth and its revolution around the sun together result in the four seasons on Earth.15.the sun, moon and stars
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The document discusses the sun and solar system. It states that the sun is a huge ball of fire that gives heat and light. It also notes that the solar system contains 8 planets including Earth that orbit the sun, and satellites such as Earth's moon orbit around planets. Mercury is the smallest planet, Earth is third from the sun and the only known to have life, and Jupiter is the largest planet in the solar system.Earth and sun interact
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During the day the sun can be seen in the sky, while at night the moon, planets, and stars are visible. Stars produce their own light, while planets and satellites orbit other celestial bodies without producing their own light. The solar system includes the sun and objects that orbit it, such as planets, comets, and asteroids. The moon orbits the earth every 28 days, causing its phases to change. The earth's orbit around the sun causes the seasons, and its rotation on its axis causes day and night.2.sun,moon, and stars a
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This document discusses a grade 3 lesson plan about the Earth's rotation and revolution, phases of the moon, and stars. The lesson plan includes objectives to differentiate rotation from revolution, describe how a star's atmosphere affects its color, identify effects of Earth's movement, and infer that the moon shines through reflected sunlight. Students are asked to relate terms to the solar system, discuss if Earth is moving, and answer questions through discussion, drawings, and demonstrations about the moon's phases and features.Ch. 17 l.s. 2
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The document discusses patterns that can be seen in the night sky and provides details about the moon phases and eclipses. It explains that the moon revolves around the Earth and rotates on its axis, causing the shapes and illumination that we see over the course of a month. The phases include the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent. Eclipses occur when the moon or Earth pass through each other's shadows. There are lunar and solar eclipses. The document also briefly discusses stars and constellations visible in the night sky.4 11 2017 rotation and revolution
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This document discusses the relationships between the Earth, Sun, and Moon, and how they affect day and night, years, and seasons. It explains that the Earth's rotation on its axis causes day and night, with a full rotation taking 24 hours. It also explains that the Earth revolves around the Sun over the course of 365 days, which divides the year into four seasons due to the tilt of the Earth's axis. Finally, it discusses how the Moon revolves around the Earth over 29 days, and how the changing positions of the Sun, Earth, and Moon cause the Moon's phases.Earth Moon And Sun
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The document describes the relative sizes and motions of the Earth, Moon, and Sun as seen from Mars. The Earth and Moon are spherical, and the Moon is about 1/4 the size of Earth. The Moon orbits Earth every 28 days and Earth orbits the Sun every 365 days. The Sun is about 110 times bigger than Earth and appears to move across the sky and rise in the east and set in the west, causing the cycle of night and day.Life without the Moon
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If the Moon suddenly vanished:
- Earth's axis would lose stability and wobble dramatically, causing extreme temperature changes and unpredictable seasons.
- Tides would be much smaller, caused only by the Sun, disrupting marine life and coastal ecosystems.
- Earth's rotation would speed up, with day lengths shortening to 8-10 hours and winds of 160-200 km/h sweeping the surface.
- Life on Earth would struggle to adapt to the entirely different environmental conditions without the stabilizing influence of the Moon.The earth and beyond ( latest)
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- Historical models assumed Earth was the center of the solar system, with planets circling it. Copernicus developed the first sun-centered model. Galileo observed moons orbiting Jupiter, showing Earth was not uniquely orbited.
- Earth rotates on a tilted axis once every 24 hours, causing day and night. Its yearly revolution around the sun and axial tilt cause the seasons.
- The solar system includes the sun and objects that orbit it, such as planets, asteroids, comets, and other planetary bodies. It is located within the Milky Way galaxy.The Sun The Earth The Moon
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The document discusses observations about the sky, sun, moon, stars, and planets:
1. The sun appears to go below the horizon at night but does not disappear - it is a star that gives light and heat to Earth.
2. The sun warms the Earth unevenly throughout the day, appearing low in the morning and evening and high at noon when it is hottest.
3. The moon does not produce its own light but reflects the sun's light, appearing in the night sky and sometimes during the day, with its shape changing over 28 days as it orbits Earth.
4. Stars are very distant suns that appear as patterns or constellations in the night sky, likeA -solar system ppt .pptx
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The document discusses the rotation and revolution of Earth and the Moon. It explains that Earth rotates on its axis every 24 hours, causing day and night. It revolves around the Sun in an elliptical orbit over the course of a year. The Moon revolves around Earth, causing the phases of the Moon as it reflects sunlight. The positions of Earth, Moon, and Sun cause solar and lunar eclipses periodically.Revision
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The document discusses the relationship between the Earth, moon, and sun. It explains that the Earth's tilt and orbit around the sun cause the seasons to change. As the Earth orbits, different hemispheres are tilted toward or away from the sun, resulting in summer and winter. It also describes how the gravitational pull of the moon causes ocean tides, with the highest tides occurring during full moons and new moons. Additionally, it explains lunar and solar eclipses, noting that a solar eclipse can only occur during a new moon when the moon passes between the Earth and sun.More Related Content
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The moon was formed from debris after a collision between Earth and another object early in its formation. It revolves around Earth while rotating on its axis, so the same side always faces Earth. The moon has no atmosphere and one-sixth the gravity of Earth. It does not produce its own light but reflects sunlight. The changing appearance of the moon's illuminated side from our perspective on Earth causes the monthly cycle of moon phases as the relative positions of Earth, moon, and sun shift.Why does it seems that the sun move
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The document discusses the motion of the Earth and how it causes apparent motion of other celestial bodies like the sun. It explains that the Earth rotates on its axis every 24 hours, which causes day and night. It also revolves around the sun, completing one orbit every 365 days. The tilted axis of the Earth and its revolution around the sun together result in the four seasons on Earth.15.the sun, moon and stars
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The document discusses the sun and solar system. It states that the sun is a huge ball of fire that gives heat and light. It also notes that the solar system contains 8 planets including Earth that orbit the sun, and satellites such as Earth's moon orbit around planets. Mercury is the smallest planet, Earth is third from the sun and the only known to have life, and Jupiter is the largest planet in the solar system.Earth and sun interact
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The document discusses the motion of the Earth and causes of day and night. It explains that the Earth rotates on its axis every 24 hours, which causes the apparent rising and setting of the Sun. This rotation also leads to day and night as different parts of the Earth face towards and away from the Sun at different times. The document further discusses how the Earth revolves around the Sun in 365 days, and how its tilted axis of 23.5 degrees, combined with its revolution, causes the seasons in the northern and southern hemispheres.Presentacioncurso
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- Earth's axis would lose stability and wobble dramatically, causing extreme temperature changes and unpredictable seasons.
- Tides would be much smaller, caused only by the Sun, disrupting marine life and coastal ecosystems.
- Earth's rotation would speed up, with day lengths shortening to 8-10 hours and winds of 160-200 km/h sweeping the surface.
- Life on Earth would struggle to adapt to the entirely different environmental conditions without the stabilizing influence of the Moon.The earth and beyond ( latest)
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- Historical models assumed Earth was the center of the solar system, with planets circling it. Copernicus developed the first sun-centered model. Galileo observed moons orbiting Jupiter, showing Earth was not uniquely orbited.
- Earth rotates on a tilted axis once every 24 hours, causing day and night. Its yearly revolution around the sun and axial tilt cause the seasons.
- The solar system includes the sun and objects that orbit it, such as planets, asteroids, comets, and other planetary bodies. It is located within the Milky Way galaxy.The Sun The Earth The Moon
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3. The moon does not produce its own light but reflects the sun's light, appearing in the night sky and sometimes during the day, with its shape changing over 28 days as it orbits Earth.
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The document summarizes key aspects of our solar system. It describes the sun as a luminous object that Earth and the moon orbit around. While the sun produces its own light, Earth and the moon are non-luminous and can only be seen when they reflect sunlight. It also explains what causes days, years, and seasons on Earth. Eclipses occur when the sun, moon, and Earth are aligned. The solar system contains 8 planets that orbit the sun, along with moons, asteroids, and other objects held by the sun's gravity.Earth Science
Earth Sciencehomiesareup
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The document discusses key facts about the Earth and moon. It explains that the Earth and moon are part of our solar system, which also contains eight planets that orbit the sun. It describes how the Earth's rotation causes day and night and its revolution around the sun causes the seasons. The moon is described as the Earth's natural satellite that orbits the Earth monthly, reflecting sunlight and appearing to change shapes in its phases over the lunar cycle.More from Azrul Paksu (8)
Latihan sainssss edit biasa
Latihan sainssss edit biasaAzrul Paksu
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The document contains a 10-question science quiz for Year 5 students. The questions cover topics like microorganisms, animal parenting behaviors, herbivore diets, energy transformation appliances, electrical circuits, electrical safety, light reflection, shadow formation, heat transfer, and phase changes of matter. The quiz tests students' understanding of basic science concepts taught in Year 5.Unit 12
Unit 12Azrul Paksu
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There are several factors that affect an object's stability, including its base area, height, and material composition. A larger base area and shorter height make an object more stable, while materials like concrete, wood, steel, and plastic each have their own strengths and weaknesses for stability based on their properties.Unit10
Unit10Azrul Paksu
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The document discusses several constellations visible in the night sky, including Orion, Scorpion, Big Dipper, and Southern Cross. It provides information on when each constellation can be seen and describes their patterns. The document also notes that travelers and farmers historically used constellations to guide directions and mark seasons.Unit9
Unit9Azrul Paksu
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Litmus paper are chemical indicators that come in blue and red varieties. They change color when contacting with acidic or alkaline substances, with blue litmus turning red in acid and red litmus turning blue in alkali. Litmus paper is used to test whether a substance is acidic or alkaline.Unit 4 energy
Unit 4 energyAzrul Paksu
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The document discusses energy, including:
1) Various sources of energy like the sun, wind, fossil fuels, batteries, and examples of different forms of energy like light, heat, kinetic, potential, and chemical.
2) Energy transformations that occur, such as chemical energy being transformed to light and heat by a burning candle.
3) The difference between renewable energy sources like solar, wind, and water, and non-renewable sources like fossil fuels that cannot be replenished.
4) Ways to save energy like turning off lights and electronics when not in use and using public transportation.Unit 3 food chain & food web
Unit 3 food chain & food webAzrul Paksu
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This document discusses food chains and food webs. It will teach how to classify animals based on what they eat, how to construct food chains and food webs for different habitats, and how to identify producers and consumers. It defines producers as plants that get energy from the sun, herbivores as animals that eat plants, carnivores as animals that eat other animals, and omnivores as animals that eat both plants and other animals. An example food chain of cow eating grass and then being eaten by a tiger is given. A food web connects multiple overlapping food chains in an ecosystem like an oil palm plantation.Unit 2 survival of species
Unit 2 survival of speciesAzrul Paksu
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The document discusses different species of animals and how they reproduce and care for their young. It provides examples of animals that take care of their eggs, like frogs and birds, and animals that care for their young after birth, such as kangaroos. The document also discusses how plants disperse their seeds and fruits using mechanisms like wind, animals, water, or explosive methods.Unit 1 microorganisms
Unit 1 microorganismsAzrul Paksu
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This document discusses microorganisms and how diseases caused by them can spread. It covers the different types of microorganisms including bacteria, protozoa, fungi and viruses. While some microorganisms are helpful, others can cause illness when entering the body or contaminating food. Diseases can spread between people through various means such as sneezing, coughing, direct contact, insects, or through air/food/drink. Proper hygiene like hand washing and avoiding sharing personal items can help prevent the spread of diseases.Unit 11
- 2. ï‚ž Earth is our planet and it is the third planet from the sun. ï‚ž It rotates on its axis from the west to the east. ï‚ž It takes 24 hours or one day to make one complete rotation.
- 3. An axis is an imaginary line that connects the North and South Poles
- 4. The earth does not only rotate on its axis. It also moves around the Sun at the same time. It takes one year to move around the sound
- 5. The Moon also rotates on its axis. It takes about 28 days to make one complete rotation. The Moon moves around the Earth. It also takes about 28 days to move around the Earth.
- 6. The sun is the centre of our solar system. The Earth and the Moon move around the Sun at the same time Moon’s path around the Earth Earth’s path around the Sun
- 7. ï‚ž The rotation of the Earth on its axis causes the length and position of a shadow to change. ï‚ž The sun appears low in the early morning and late afternoon. This make the shadow longer in the early morning and late afternoon than at noon.
- 8. ï‚ž The part of the Earth that is facing the Sun experiences daytime. ï‚ž The part of the Earth that is facing away from the Sun experiences night-time. ï‚ž Day and Night occur due to the rotation of the Earth on its axis. ï‚ž Day and Night occur due to the rotation of the Earth on its axis.
- 9. The moon is the brightest object in the night sky. It does not emit light. The Moon appears bright at night because it reflects light from the Sun to the Earth. From the Earth, the Moon looks like it is changing its shape. Actually it doesn’t. it is caused by the different positions of the Moon that we see from the Earth. This is called the phases of the Moon. There are four major phases of the Moon