Question 1
Which subatomic particle has a positive charge and is found in the nucleus of an atom?
Correct Answer:
Proton
Question 2
An element is a pure substance made of atoms that all have the same number of which particle?
Correct Answer:
Protons
Question 3
On the periodic table, what does a horizontal row (period) tell you about the elements in it?
Correct Answer:
They have the same number of electron energy levels
Question 4
Which type of bond forms when one atom transfers an electron to another atom, creating charged ions that attract?
Correct Answer:
Ionic bond
Question 5
Which observation is the best evidence that a chemical reaction has occurred?
Correct Answer:
A substance changes color and releases a gas
Question 1
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Prepare with the North Carolina EOG Science Grade 8 Practice Questions - North Carolina End-of-Grade Science Test - Grade 8 Exam practice quiz. This question bank includes 100 questions covering cell, population, reaction, energy, and electrons. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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North Carolina EOG Science Grade 8 Practice Questions - North Carolina End-of-Grade Science Test - Grade 8 Exam

This practice set contains 100 questions from the matching question bank and focuses on cell, population, reaction, energy, and electrons. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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