Relative Density
Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Barbara White
FREE Resource
Student preview
12 questions
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1.
FLASHCARD QUESTION
Front
Density Noun
[den-si-tee]
Back
Density
The property of matter that describes how much mass is present in a given volume of a substance.
Example: This experiment shows that a pumice stone floats because it is less dense than water, while an obsidian stone sinks because it is more dense than water.
2.
FLASHCARD QUESTION
Front
Mass Noun
[mas]
Back
Mass
The amount of matter present in an object or substance, which does not change from place to place.
Example: This image shows a balance scale comparing two objects, demonstrating that the apple has more mass than the 1-gram weight.
3.
FLASHCARD QUESTION
Front
Volume Noun
[vol-yoom]
Back
Volume
The amount of three-dimensional space an object or substance occupies.
Example: The volume of a regular solid, like this box, is the amount of 3D space it occupies, calculated by multiplying its length, width, and height.
4.
FLASHCARD QUESTION
Front
Weight Noun
[wayt]
Back
Weight
The force with which a celestial body, like Earth, attracts an object towards itself, measured in Newtons.
Example: A spring scale measures weight, the force of gravity on an object, in Newtons. This measurement is a key step in determining an object's relative density.
5.
FLASHCARD QUESTION
Front
Relative Density Noun
[rel-uh-tiv den-si-tee]
Back
Relative Density
A unitless ratio that compares the density of a substance with the density of a reference material, usually water.
Example: This image shows how objects with different densities behave in water: cork and wood float because they are less dense, while aluminum sinks because it is denser.
6.
FLASHCARD QUESTION
Front
Meniscus Noun
[muh-nis-kus]
Back
Meniscus
The curved upper surface of a liquid in a container, which is read at eye level for accurate volume measurement.
Example: To measure volume accurately, read the bottom of the curved liquid surface, the meniscus, at eye level to avoid parallax error.
7.
FLASHCARD QUESTION
Front
Parallax Error Noun
[par-uh-laks er-er]
Back
Parallax Error
An error in reading a measurement scale that occurs when the observer's eye is not level with the marking.
Example: This diagram shows that viewing a measurement from an angle (top or bottom) causes a parallax error, while viewing it at eye-level gives an accurate reading.
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