2025 STAAR Science Review

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are pioneer species in primary succession?
Back
Pioneer species are the first organisms to colonize previously disrupted or damaged ecosystems, such as mosses and lichens.
2.
FLASHCARD QUESTION
Front
What occurs during a spring tide?
Back
During a spring tide, there are high tides and very low tides due to the alignment of the Earth, moon, and sun.
3.
FLASHCARD QUESTION
Front
How many molecules and oxygen atoms are in 2H₂O₂?
Back
There are 2 molecules and 4 oxygen atoms in 2H₂O₂.
4.
FLASHCARD QUESTION
Front
What happens during the Summer Solstice?
Back
During the Summer Solstice, the Northern Hemisphere receives the most direct sunlight of the year.
5.
FLASHCARD QUESTION
Front
What is energy transformation?
Back
Energy transformation is the process of changing energy from one form to another, such as chemical energy to electrical energy to light.
6.
FLASHCARD QUESTION
Front
What is a primary succession?
Back
Primary succession is the ecological process of community development that occurs in an area where no soil exists.
7.
FLASHCARD QUESTION
Front
What are the characteristics of a spring tide?
Back
Spring tides are characterized by the highest high tides and the lowest low tides, occurring during full and new moons.
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