Sound waves travel by __________________., Rotation, Vibrations, Translation, Jumping, In which state does the sound travel the fastest?, Solid, Vacuum, Liquid, Gas, If there is NO air, will there be sound?, Yes, No, Sound will not travel in which of the following?, Solid, Liquid, Gas, Vacuum, The form of energy that travels as waves through the air and other materials, causing us to hear when it enter our ears is called:, Rotation, Waves, Sound, Air, What makes things happen?, Force, Energy, Food, Water, What energy do humans need to live?, Food, Fuel, Fossils, Chemicals, What is the ultimate source of energy?, Food energy, Sun, Geothermal energy, Chemical energy, What kind of energy is produced from a stove?, Sound, Heat, Electricity, Movement, Light travels in __________________ line:, curved, opposite, straight, back to front, Different surfaces _________ light in different way, reflect, refract, disperse, move, When light is scattered off an object we describe it as a __________________ reflection., diffused (scattered), specular (mirror), When light is not scattered we get a ____________________ reflection., diffused (scattered), Specular (mirror), The angle of incidence equals to the angle of _______________________, reflection, refraction, dispersion, When the image is not really there, it is called a _______________ image., real, virtual, Reflection in a concave mirror makes the light rays to _________________, converge, diverge, Reflection in a convex mirror makes the light rays to _________________, conevrge, diverge, Burning coal is bad for the environment because lots of ___________ gets released into the atmosphere., nitrogen, oxygen, carbon dioxide, Steel, ____________________ energy comes from natural resources that are naturally replenished, such as sunlight, wind and waves., Renewable , Non renewable, ________________ comes from the sun., Chemical energy, Solar energy, Food energy, movement energy.
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Grade 6 - Revision
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