Matter, Mass, Volume and Density
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Questions and Answers

A scientist measures the mass and volume of a solid object. What can they calculate using these measurements?

  • The object's state of matter.
  • The object's chemical reactivity.
  • The object's density. (correct)
  • The object's weight.

Which of the following is an example of a physical property?

  • The ability of iron to rust.
  • The pH of a substance.
  • The ability of water to dissolve salt. (correct)
  • The flammability of propane.

Which state of matter has a definite volume but takes the shape of its container?

  • Plasma
  • Gas
  • Liquid (correct)
  • Solid

Which of the following processes is an example of a chemical change?

<p>Burning wood (D)</p> Signup and view all the answers

If two objects have the same volume, but object A has a higher density than object B, what can be concluded about their masses?

<p>Object A has a higher mass. (A)</p> Signup and view all the answers

Flashcards

Matter

Anything that has mass, occupies volume, and is made of atoms.

Mass

Measurement of the amount of matter in an object.

Volume

Amount of space an object occupies.

Density

Amount of matter contained in a given volume (mass/volume).

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Physical Property

Characteristic observed without changing the substance's composition (e.g., color, density).

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Study Notes

  • Matter is anything that has mass, volume and is made of atoms
  • Solid has a definite shape and volume
  • Liquid has a definite volume, but not a definite shape
  • Gas has a state of matter that does not have a definite shape or volume
  • Mass is the measurement of the amount of matter in an object
  • Volume is the amount of space an object occupies
  • Density is a characteristic of a substance that can be observed without changing the substance into anything new
  • Physical Property is a characteristic that can be observed about an object without changing the object
    • Examples:
    • Smashing, ripping, crumpling, crushing and breaking stuff
  • Chemical Property is a characteristic that is observed when a substance interacts or reacts with another substance
    • Examples:
    • Burring, boiling, digesting, baking and toasting

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Description

Understand the basic properties of matter: mass, volume, physical and chemical changes. Matter is anything that has mass, volume and is made of atoms. Learn about solids, liquids, and gases.

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