Review and Questions
Properties of Matter
3.2.C.A1 Differentiate between physical properties and chemical properties.
index
Mass
Volume
Weight
Density
You can use your senses to describe many properties, or distinctive features, of matter.
Your senses can tell you its color, shape, size, smell, texture, sound, and taste. But your senses can’t tell you everything. Taste, for example, can’t tell you anything about a computer. Smell probably won’t help you describe a baseball. But mass, weight, volume, and density will do it all.
Mass
- Mass is the amount of matter in something. A ping pong ball, for example, has less mass than a baseball.
Here’s how to remember the difference between mass and weight. Your mass stays the same whether you’re on Earth or the Moon. But your weight changes, because the pull of gravity is different in each place. There’s less gravity on the Moon, so you’d weigh less there. Gravity is greater on Earth, so you weigh more here.
Weight
Weight is a measure of the pull of gravity on something. The more mass something has, the greater the pull of gravity. A baseball weighs more than a ping pong ball because it has more mass. However, something small can weigh more than something big. If you compare a baseball to a large beachball the baseball would weigh more because it is more dense.
TRUE or FALSE: If you landed on Jupiter your mass would be the same.
TRUE or FALSE
Measuring volume
vs
Irregular Shapes
Regular Shapes
You can find the volume of a baseball by the formula V= 4/3 π r³ . The radius of a baseball is 3.6 cm. Volume of a baseball is about 195 cm³. To find the volume of a rectangular prism (box) is V= length x width x height.
You’ll need to use the water displacement method to measure odd shapes. You need to subtract the volume of water alone from the volume of the water plus the object.
Density
Density is the amount of matter in something of a particular volume. If a real car and a toy car were made from exactly the same materials, they would have the same density. Of course the real car would have more weight, mass, and volume.
Density also explains how a lava lamp works. A light at the bottom of the lamp heats the colored matter in the lamp. As the material heats, it becomes less dense. Before long, it is less dense than the liquid in the lamp, so it begins to float upward. As the material gets farther away from the light, it cools. As it cools, it becomes more dense. Then it falls through the liquid toward the bottom of the lamp, where the process begins again.
QUIZ
Properties of matter
start
Density
A golf ball is denser than a Ping-Pong ball. Even though both have about the same volume, a golf ball has more matter packed into its size than a Ping-Pong ball does.Why does a helium balloon seem to hang from the ceiling? Why does a beach ball float in a lake? The answer to both questions is density. Things that are less dense than the matter that surrounds them float. Helium is less dense than air, and a beach ball is less dense than water.
Most matter becomes more dense as it cools, but not water. As water turns to ice, it expands and becomes less dense. That’s why ice floats in water. And it’s a good thing. In the spring and summer, heat from the Sun melts ice that forms on rivers, lakes, and seas. But if the ice sank to the bottom, it would never melt. Each year, more ice would form on top of the previous year’s ice, and before long, all the bodies of water on Earth would be frozen solid.
01/5
The amount of matter in something is known as _________
mass
density
weight
02/5
If you travel to the moon, which of the following will change?
mass
weight
volume
03/5
You cannot measure the volume of an irregular object.
True
False
04/5
Although they are about the same size, a Ping-Pong ball is more dense than a golf ball.
True
False
05/5
Why does ice float on water?
Ice has more mass than water
Ice is heavier than water
Ice is less dense than water
You are a star!
Click here to show your knowledge is out of this world.
Wrong!
Lorem ipsum dolor sit amet, consectetur adipiscing elit suspendisse purus urna
Properties of Matter
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Created on October 2, 2025
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Transcript
Review and Questions
Properties of Matter
3.2.C.A1 Differentiate between physical properties and chemical properties.
index
Mass
Volume
Weight
Density
You can use your senses to describe many properties, or distinctive features, of matter.
Your senses can tell you its color, shape, size, smell, texture, sound, and taste. But your senses can’t tell you everything. Taste, for example, can’t tell you anything about a computer. Smell probably won’t help you describe a baseball. But mass, weight, volume, and density will do it all.
Mass
Here’s how to remember the difference between mass and weight. Your mass stays the same whether you’re on Earth or the Moon. But your weight changes, because the pull of gravity is different in each place. There’s less gravity on the Moon, so you’d weigh less there. Gravity is greater on Earth, so you weigh more here.
Weight
Weight is a measure of the pull of gravity on something. The more mass something has, the greater the pull of gravity. A baseball weighs more than a ping pong ball because it has more mass. However, something small can weigh more than something big. If you compare a baseball to a large beachball the baseball would weigh more because it is more dense.
TRUE or FALSE: If you landed on Jupiter your mass would be the same.
TRUE or FALSE
Measuring volume
vs
Irregular Shapes
Regular Shapes
You can find the volume of a baseball by the formula V= 4/3 π r³ . The radius of a baseball is 3.6 cm. Volume of a baseball is about 195 cm³. To find the volume of a rectangular prism (box) is V= length x width x height.
You’ll need to use the water displacement method to measure odd shapes. You need to subtract the volume of water alone from the volume of the water plus the object.
Density
Density is the amount of matter in something of a particular volume. If a real car and a toy car were made from exactly the same materials, they would have the same density. Of course the real car would have more weight, mass, and volume. Density also explains how a lava lamp works. A light at the bottom of the lamp heats the colored matter in the lamp. As the material heats, it becomes less dense. Before long, it is less dense than the liquid in the lamp, so it begins to float upward. As the material gets farther away from the light, it cools. As it cools, it becomes more dense. Then it falls through the liquid toward the bottom of the lamp, where the process begins again.
QUIZ
Properties of matter
start
Density
A golf ball is denser than a Ping-Pong ball. Even though both have about the same volume, a golf ball has more matter packed into its size than a Ping-Pong ball does.Why does a helium balloon seem to hang from the ceiling? Why does a beach ball float in a lake? The answer to both questions is density. Things that are less dense than the matter that surrounds them float. Helium is less dense than air, and a beach ball is less dense than water. Most matter becomes more dense as it cools, but not water. As water turns to ice, it expands and becomes less dense. That’s why ice floats in water. And it’s a good thing. In the spring and summer, heat from the Sun melts ice that forms on rivers, lakes, and seas. But if the ice sank to the bottom, it would never melt. Each year, more ice would form on top of the previous year’s ice, and before long, all the bodies of water on Earth would be frozen solid.
01/5
The amount of matter in something is known as _________
mass
density
weight
02/5
If you travel to the moon, which of the following will change?
mass
weight
volume
03/5
You cannot measure the volume of an irregular object.
True
False
04/5
Although they are about the same size, a Ping-Pong ball is more dense than a golf ball.
True
False
05/5
Why does ice float on water?
Ice has more mass than water
Ice is heavier than water
Ice is less dense than water
You are a star!
Click here to show your knowledge is out of this world.
Wrong!
Lorem ipsum dolor sit amet, consectetur adipiscing elit suspendisse purus urna