Midpoint A1 Practice Test

Flashcard
•
Science
•
8th - 9th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is density?
Back
Density is the mass of a substance divided by its volume, typically expressed in grams per cubic centimeter (g/cm³). It determines how heavy a substance is for a given volume.
2.
FLASHCARD QUESTION
Front
How can you determine the order of density of liquids?
Back
By observing which liquids float on top of others. The liquid that floats is less dense than the liquid below it.
3.
FLASHCARD QUESTION
Front
What happens when a less dense liquid is mixed with a denser liquid?
Back
The less dense liquid will float on top of the denser liquid.
4.
FLASHCARD QUESTION
Front
What is a solution?
Back
A solution is a homogeneous mixture where one substance (solute) is dissolved in another (solvent), such as sugar in water.
5.
FLASHCARD QUESTION
Front
Which of the following substances would form a solution when added to water: sand, sugar, rocks, or iron filings?
Back
Sugar would form a solution when added to water.
6.
FLASHCARD QUESTION
Front
What is thermal conductivity?
Back
Thermal conductivity is the ability of a material to conduct heat. Materials with high thermal conductivity transfer heat quickly.
7.
FLASHCARD QUESTION
Front
Which materials are typically good thermal conductors?
Back
Metals like silver and stainless steel are good thermal conductors, while materials like plastic are poor conductors.
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