Respuesta :
The statement "Does mass affect how far a ball rolls?" is not a testable question as mass doesn't affect the speed directly.
How do you measure the volume of an irregular shaped object?
When a solid object, like a stone, has an irregular shape, its volume can be determined by two methods. Measuring cylinder can be used as one method while using an overflow jar is another method.
Displacement of water or other liquids in a measuring cylinder determines the volume of irregular solid things that are heavier or lighter than water, including those that are soluble in water.
Which chocolate melts fastest, dark or milk chocolate?
Milk chocolate takes longer to melt than dark chocolate.
Because dark chocolate has less fat than milk chocolate. Dark chocolate melts more quickly because the cocoa butter in it is crushed more finely.
More milk solids are found in milk chocolate, which raises the chocolate's melting point and increases its resistance to melting.
Do ants prefer sugar or salt?
The researchers found that herbivorous or omnivorous species that were more than 10-100 kilometers (6-60 miles) from the ocean preferred salt over sugar.
They found out that the farther inland, the greater the preference for salt, by simply counting the ant species attracted to cotton balls soaked in sucrose (table sugar) or salt solutions.
While carnivorous ants showed little preference for salt over sugar, those that lived primarily on green plants showed a larger preference for salt than those that lived among the decomposing leaves of the forest floor.
Thus, all the other statements are testable except "Does mass affect how far a ball rolls?" as mass doesn't affect the speed directly, and hence we can't test it by a simple ball rolling experiment.
Learn more about mass:
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