Certify Teacher Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which method would give students an accurate measurement of mass and volume for small rubber balls?

Weigh the ball to find the mass and the volume

Use the displacement method to find the mass and volume

Weigh the ball to find the volume and use displacement to find the mass

Weigh the ball to find the mass and use displacement to find the volume

To accurately measure the mass and volume of small rubber balls, weighing the ball provides a straightforward method to determine its mass. This involves using a balance scale, which can directly provide an accurate mass reading for the object.

For finding the volume of a rubber ball, the displacement method is particularly effective. This method involves submerging the ball in a known volume of water and measuring the amount by which the water rises. The volume of water displaced corresponds to the volume of the ball. This is especially useful for irregularly shaped objects, like rubber balls, since it accurately accounts for the shape and ensures a precise volume measurement.

Thus, by combining these two methods—using a scale to measure mass and the displacement method for volume—you achieve an accurate measurement for both properties. Other combinations would not provide a complete or accurate assessment of either the mass or volume.

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