Questions and Answers
What is matter?
Anything that has a mass and takes up space.
What are the characteristics of matter and volume?
All matter takes up space. The amount of space taken up, or occupied by an object is known as the object's volume.
What is an object's volume?
The amount of space taken up by an object.
What unit(s) is the volume of a liquid measured in?
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What do you use to measure the volume of a liquid in a lab?
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What is a meniscus?
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What part of the meniscus do you look at to measure the volume of a liquid?
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How do you express the volume of a regularly shaped object?
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What is the formula for finding the volume of a regularly shaped object?
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How do you find the volume of an irregularly shaped object?
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If the water displacement is 1 mL after adding an object, what is the volume of that object?
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What is mass?
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Does the mass of an object change when located in a different place?
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How can you change the mass of an object?
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Mass does not change with location.
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What instrument measures mass?
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What are the units of mass?
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What is weight?
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Can weight change?
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Does weight change with location?
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What instrument measures weight?
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What is the unit for weight?
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What is inertia?
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An object will stay at rest until something causes the object to move.
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A moving object will keep moving at the same speed and in the same direction unless something acts on the object to change its speed or direction.
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How does mass impact inertia?
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What is volume?
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What are physical properties?
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What is density?
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What is a physical change?
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What is a chemical property?
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What is a chemical change?
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Study Notes
Matter and Volume
- Matter is anything that possesses mass and occupies space.
- All matter has volume, which is the specific amount of space occupied by an object.
Measuring Volume
- The volume of liquids is expressed in liters (L) and milliliters (mL).
- A graduated cylinder is commonly used in laboratories to measure liquid volume.
- The meniscus, a curved surface of a liquid, should be read at the bottom of the curve to obtain an accurate measurement.
Volume of Objects
- Regularly shaped objects have their volume expressed in cubic units.
- The formula for calculating the volume of a regularly shaped object is Length × Width × Height (L × W × H).
- The volume of irregularly shaped objects can be determined by water displacement methods.
Mass
- Mass indicates the quantity of matter contained in an object and remains constant regardless of location.
- To change the mass of an object, the amount of matter it contains must be altered.
- Mass is measured using a balance and is quantified in kilograms (kg), grams (g), or milligrams (mg).
Weight
- Weight measures the gravitational force acting on an object and varies with its mass and location.
- An object’s weight decreases on the moon due to lower gravitational force.
- Weight is measured using a spring scale and is expressed in newtons (N).
Inertia
- Inertia is the property of matter that causes an object to resist changes in its state of motion.
- An object at rest remains so until an external force acts upon it; conversely, a moving object maintains its speed and direction unless influenced by another force.
- Larger mass results in greater inertia, making it more difficult to move or stop compared to smaller mass objects.
Properties of Matter
- Physical properties are characteristics inherent to a substance.
- Density is defined as mass divided by volume.
- Physical changes refer to alterations in matter that do not create new substances.
- Chemical properties describe how substances transform into different substances.
- Chemical changes result in the formation of new substances with distinct properties.
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Test your knowledge on the fundamentals of matter with these flashcards covering key definitions and characteristics. Ideal for students looking to reinforce their understanding of volume and its measurement in science. Perfect for quick review before exams.
