WVGSA Grade 5 Science Practice Questions - West Virginia General Summative Assessment Grade 5 Science Exam

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A student drops a heavy 500-gram steel sphere and a light 50-gram rubber sphere from a height of 3 meters at the exact same instant inside a vacuum chamber (where all air has been removed). Which sphere hits the ground first?

The heavy steel sphere because gravity pulls harder on heavier objects. The light rubber sphere because it experiences less gravitational pull. Both spheres hit the ground at the exact same time because gravity accelerates all falling objects equally in the absence of air resistance. Neither sphere falls because gravity requires air to push objects down.

Correct Answer:

Both spheres hit the ground at the exact same time because gravity accelerates all falling objects equally in the absence of air resistance.

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