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Measuring Mass & Volume

Science, Grade 4

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Measuring Mass & Volume © Copyright NewPath Learning. All Rights Reserved. 94-4368 Visit www.newpathlearning.com for Online Learning Resources. Measuring Mass Mass is the amount of matter in an object. A balance is used to measure mass in metric units of grams or kilograms. For example, to find the mass of a rock, you place it on one side of the balance and gram cubes on the other side. When the two sides balance each other, the mass of the rock equals the mass of the number of gram cubes on the balance. Measuring Volume of a Liquid Volume is the amount of space an object takes up. There are several tools that can be used to measure volume, such as measuring cups, graduated cylinders, and beakers. The units of measure are milliliters or liters. For example, to measure 50 mL of water, we pour it into a cylinder, until it reaches the 50 mL point marked on the side. Finding the Volume of a Solid Object A graduated cylinder can also be used to measure the volume of solid objects, such as a rock. Fill a cylinder to about the half-way mark with water and read the number on the side. Place the rock in the cylinder and read the water level again. Now, subtract the old reading from the new reading and you have just measured the volume of the rock. 1 gram 1 gram 1 gram 1 gram mass = 7 grams 1 gram 1 gram 1 gram 250 ml measuring cup graduated cylinder beaker 90 100 80 70 60 10 20 30 40 50 50 mL 90 100 80 70 60 10 20 30 40 50 250 ml measuring cup cylinder beaker 90 100 80 70 60 10 20 30 40 50 measuring cup beaker graduated cylinder 50 mL 90 100 80 70 60 10 20 30 40 50 90 mL 90 100 80 70 60 10 20 30 40 50 90 100 80 70 60 30 40 50 40 mL 50 mL 90 100 80 70 60 10 20 30 40 50 90 mL 90 100 80 70 60 10 20 30 40 50 90 100 80 70 60 30 40 50 40 mL 50 mL 90 100 80 70 60 10 20 30 40 50 90 mL 90 100 80 70 60 10 20 30 40 50 90 100 80 70 60 30 40 50 40 mL rock water initial volume volume with object 90 mL - 50 mL 40 mL

© Copyright NewPath Learning. All Rights Reserved. 94-4368 Visit www.newpathlearning.com for Online Learning Resources. Pause & Review Measure mass and volume. Measuring Mass & Volume 1 gram 1 gram 1 gram 1 gram 1 gram 90 100 80 70 60 10 20 30 40 50 90 100 80 70 60 10 20 30 40 50 mL mL What is the mass of this marshmallow? ________________________ What is the volume of this rock? ________________________ How did you calculate it? _________________________________________________

Measuring Mass & Volume

Science, Grade 4

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