
PMA 2 review 2023
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced force?
Back
A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.
2.
FLASHCARD QUESTION
Front
What is an unbalanced force?
Back
An unbalanced force occurs when two forces acting on an object are not equal, causing the object to accelerate in the direction of the larger force.
3.
FLASHCARD QUESTION
Front
What does a climate graph represent?
Back
A climate graph shows the average monthly temperatures and precipitation levels for a specific area over a period of time.
4.
FLASHCARD QUESTION
Front
What are the four main Earth systems?
Back
The four main Earth systems are the geosphere, hydrosphere, atmosphere, and biosphere.
5.
FLASHCARD QUESTION
Front
What is the hydrosphere?
Back
The hydrosphere includes all the water on Earth, including oceans, rivers, lakes, and water vapor in the atmosphere.
6.
FLASHCARD QUESTION
Front
What is the biosphere?
Back
The biosphere is the part of Earth where life exists, including land, water, and the atmosphere.
7.
FLASHCARD QUESTION
Front
What is igneous rock?
Back
Igneous rock is formed from the cooling and solidification of magma or lava.
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