Matter: Mass, Volume and Density Flashcards
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Questions and Answers

What is the definition of mass?

The amount of matter inside an object.

What units are used to measure mass?

Grams and kilograms.

What instruments are used to measure mass?

A balance.

What is the definition of volume?

<p>The amount of space an object takes up.</p> Signup and view all the answers

What units are used to measure volume?

<p>Centimeters and milliliters.</p> Signup and view all the answers

What instruments are used to measure volume?

<p>A ruler and a graduated cylinder.</p> Signup and view all the answers

What is the definition of density?

<p>The amount of mass in one cubic centimeter.</p> Signup and view all the answers

What is the equation to find density?

<p>Mass divided by volume.</p> Signup and view all the answers

What units are used to measure density?

<p>Grams and cubic centimeters.</p> Signup and view all the answers

What is the definition of volume?

<p>The amount of space an object takes up.</p> Signup and view all the answers

What is the definition of mass?

<p>The amount of matter in an object.</p> Signup and view all the answers

What is the definition of density?

<p>Mass divided by volume.</p> Signup and view all the answers

What is the definition of a physical change?

<p>Changing the shape, amount, color, or shape of the substance does not change its identity.</p> Signup and view all the answers

What is the definition of a chemical change?

<p>Any change that ends up with a new substance with new properties.</p> Signup and view all the answers

What is a qualitative observation?

<p>Observations based on shape, color, size, appearance.</p> Signup and view all the answers

What is a quantitative observation?

<p>Observations that involve numbers.</p> Signup and view all the answers

What is an inference?

<p>An explanation about an observation.</p> Signup and view all the answers

What is a characteristic property?

<p>A trait used to identify a substance.</p> Signup and view all the answers

Study Notes

Mass, Volume, and Density

  • Mass: The quantity of matter in an object, typically measured in grams (g) and kilograms (kg).

  • Instrument for Mass Measurement: Balance is used to accurately determine mass.

  • Volume: The space that an object occupies, measured in cubic centimeters (cm³) and milliliters (mL).

  • Instruments for Volume Measurement: Volume can be measured using a ruler for regular shapes and a graduated cylinder for liquids.

  • Density: Defined as the mass per unit volume, indicating how much mass is contained in a specific volume (g/cm³).

  • Density Calculation: Density is calculated using the formula: mass divided by volume (density = mass/volume).

  • Units for Density: Commonly expressed in grams per cubic centimeter (g/cm³).

Properties and Changes

  • Physical Change: A process where the substance alters in shape, color, or amount without changing its identity.
  • Chemical Change: Involves a transformation resulting in one or more new substances with distinct properties.

Observations

  • Qualitative Observation: Descriptive observations based on physical attributes like shape, color, and appearance.
  • Quantitative Observation: Observations that quantify data using numbers, providing measurable information.
  • Inference: A logical conclusion derived from observations, providing explanations for phenomena.

Characteristic Properties

  • Characteristic Property: A specific trait that can be utilized to identify and classify a substance distinctly.

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Description

This quiz covers the essential concepts related to mass, volume, and density. Learn definitions, units of measurement, and the instruments used to measure these properties. Perfect for science students looking to reinforce their understanding of matter.

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