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PHYSICAL SCIENCE © Copyright 2015. All rights reserved. www.cpalms.org
SC.8.P.8.3 :SC.8.P.8.3 :Explore and describe the densities of various materials through measurement of their masses and volumes. © Copyright 2015. All rights reserved. www.cpalms.org
Mass describes the amount of matter in an object. A gram (g) is a common unit of mass. Objects of the same size can be made up of different amounts of matter © Copyright 2015. All rights reserved. www.cpalms.org
Volume is the amount of space an object takes up, or occupies. A balloon and a bowling ball of the same size have the same volume but very different masses. © Copyright 2015. All rights reserved. www.cpalms.org
Volume can be determined by a formula if it has a well-defined shape. For rectangular solids, volume = (length)(width)(height), or V = lwh. Liquid volume is measured with a beaker or graduated cylinder in liters (L) or milliliters (mL). 1 mL = 1 cm 3 Displacement of water in a graduated cylinder can be used to find the volume of irregular- shaped solid objects. © Copyright 2015. All rights reserved. www.cpalms.org
Density is a measure of the amount of matter in a given volume. The density of a substance remains the same no matter how much of the substance you have. © Copyright 2015. All rights reserved. www.cpalms.org
Density is mass divided by volume, or D = m/V. Common units for expressing density are grams per cubic centimeter, or g/cm 3. In water, which has a density of 1 g/mL, objects with density greater than 1 g/mL sink. Objects with density less than 1 g/mL float © Copyright 2015. All rights reserved. www.cpalms.org
Which weighs more, a pound of feathers, or a pound of bricks?
Section 1.4 Metric Volume and Density
What Is Density? (contd.)
Unit 1 Lesson 1 Introduction to Matter
Unit 1 Lesson 1 Introduction to Matter Essential Question:
A Look at Density and How to Calculate It.
What is density and how is it measured?
Introduction to Matter
Density All substances have different densities, therefore, you can identify a substance if you know its density The formula to calculate something’s density.
Finding Mass, Volume, and Density. Mass The amount of matter in an object Measured in grams (g), milligrams (mg) or kilograms (kg) Stays the same.
Density The make up and structure of all matter!!!
Density Density describes how heavy an object is compared to its size.
Property- a characteristic that helps identify an object *Some common properties are: color, shape, size, feel, taste, smell, mass, volume.
Measurement-A Common Language Density The measure of how much mass is contained in a given volume.
Volume, Mass, and Density Matter is anything that has mass and takes up space. Mass is a measure of how much matter is in an object. Mass can be expressed.
Notes on mass, volume & density. Weight Weight: A measure of the force of gravity on an object. Weight: A measure of the force of gravity on an object.
Volume. Volume: is the amount of space an object takes up Metric standard for volume is the liter (L) 1L = 1000ml = 1000 cm.
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