Rema knows the weights of the five silver coins in the table. She also has a gold coin. Explain how she could use the coins and the scales to find the approximate weight of the gold coin.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

How many times did thomas edison mess up the light bulb

Ascientific blank must be testable and capable of being proven false?