Physical Science 1st Semester Test

Flashcard
•
Science
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does malleable mean in terms of metals?
Back
Malleable means a metal can be rolled or pounded into flat sheets.
2.
FLASHCARD QUESTION
Front
What is an organized plan for gathering, organizing, and communicating information called?
Back
It is called the Scientific method.
3.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a mixture that is not uniform in composition, such as a jar of mixed nuts.
4.
FLASHCARD QUESTION
Front
Where is almost all the mass of an atom located?
Back
Almost all the mass of an atom is located in its nucleus.
5.
FLASHCARD QUESTION
Front
What happens to the volume of a balloon when it is cooled?
Back
The volume will decrease.
6.
FLASHCARD QUESTION
Front
Define the term 'atom'.
Back
An atom is the smallest unit of matter that retains the properties of an element.
7.
FLASHCARD QUESTION
Front
What is the difference between a hypothesis and a theory?
Back
A hypothesis is a testable prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.
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