sun is made of ………………., hot gases, dust and clouds, ice, Turbines change wind energy to.......................... energy., electrical, kinetic, sound, ……………… can be grown in the shade of existing trees., Coffee, Potato, lemon, What force keeps planets, moon, and other objects in orbit?, Gravity, Magnetism, Electricity, the red planet is..............., Mercury, Mars, Venus, the closest planet to the sun is..............., Venus, Mars, Mercury, The hottest planet is..........., Mercury, Mars, Venus, The planet with life is............., Earth, Jupiter, Saturn, The planet with handle is............., Saturn, Jupiter, Earth, The largest planet in the solar system is..........., Jupiter, Saturn, Earth, The largest planet in the inner solar planets is..........., Earth, Saturn, Jupiter, The thinnest atmosphere is..........., Venus, Earth, Mercury, A/an ……………..is a belt-shaped disc that separates inner planets from outer planets, Iron belt, Asteroib belt, Comet trail, Human uses electric vehicles to reduce the demand for ………………., fossil fuel, biofuel, Liquid food oil, Jupiter atmosphere is made of hydrogen and………………., nitrogen, oxygen, helium, The …………….…… result from both Earth’s tilted axis and its revolution around the Sun., day and night, months, seasons, The …………….…… result from Earth’s tilted axis, day and night, months, seasons, Using the object again is............., reduce, reuse, recycle, Using the object but in a smaller amount is............., recycle, reduce, reuse, Using the object but for another purpose is............., reuse, recycle, reduce, Which layer of the sun's atmosphere can always be seen with the human’s eyes?, Chromosphere, Photosphere, Corona, Which layer of the sun's atmosphere be seen with the human’s eyes during total solar eclipse?, Corona, Chromosphere, Photosphere, The sun formed of four main layers, True, False, An unplanned result called eco-friendly, True, False, The Earth is the 4th planet in the solar system., True, False, The solar system is made of the sun and 7 planets only., True, False, The curved path of an object around a star, a planet, or a moon is the solar system., True, False, The spinning of earth on its axis is called ………………, rotation, revolution, Movement, Earth makes one complete rotation every ………………hours., 27, 365, 24, The side of earth that faces toward the sun experiences ………………, day, night, winter, Movement of one object around another object is called ………………, revolution, rotation, Movement, ………………is an imaginary line that goes through the center of an object., Orbit, Axis, Astorid belt, Circle the inner planet, Mars, Jupiter, Neptune, Circle the inner planet, Saturn, Uranus, Mercury, Circle the inner planet, Saturn, Pluto, Venus, Circle the inner planet, Earth, Jupiter, Saturn, Circle the outer planet, Earth, Jupiter, Mars, Circle the outer planet, Mercury, Saturn, Venus, Circle the outer planet, Earth, Mars, Uranus, Circle the outer planet, Venus, Mars, Neptune, the picture shows, comet, Astoroid, Rock, the picture shows, fishing, cleaning, recycling, the picture shows, Eco-friendly, Pollution, Conservation, The presence of substances in the environment that are harmful to humans., Pollution, Conservation, Eco-friendly, …………………. is/are made up of gas and dust., Comet trail, Clouds, Nighty sky, ……………………is the layer in the sun where the energy is generated, Corona, Core, Radiative and convective zone, The outer planets are also known as ………………………………, Small planets, Huge gas, Gas giants, What is the direction of the gravitational force?, up, To the left, Down, ..................pulls every thing towards the earth's center, Gravity, Air, motion, ...................the nearest planets to the sun, inner planets, outer planets, solar system

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