Alabama ACAP · Grade 8 Science Assessment Practice

Alabama ACAP Grade 8 Science Practice Test

Build Grade 8 Alabama ACAP Science readiness with five focused 10-question practice sets covering matter, chemical reactions, forces, energy, waves, life science, Earth systems, and scientific practices.

Alabama ACAP Grade 8 Science Practice sets

This Alabama ACAP Grade 8 Science Practice page provides five short practice sets with 10 multiple-choice questions each. The original questions help Grade 8 students review matter, chemical reactions, forces, energy, waves, life science systems, Earth and space systems, data, and engineering practices.

Grade 8 Science skills covered

  • Atoms, chemical reactions, conservation of mass, physical changes, pH, solutions, compounds, and thermal energy
  • Net force, mass and acceleration, potential and kinetic energy, friction, wave properties, circuits, reflection, and energy transformations
  • Body systems, homeostasis, digestion, cells, photosynthesis, genetic variation, ecosystem relationships, and matter cycles
  • Moon phases, day and night, tides, plate tectonics, weather, climate, greenhouse gases, water cycle, erosion, and resources
  • Testable questions, variables, controls, graphs, repeated trials, evidence-based conclusions, criteria, constraints, and models

How to use this page

Complete one 10-question set at a time. Read the situation, model, or data carefully, choose the best answer, and review the explanation after responding. Use the results to choose the Grade 8 Science skill that needs more practice.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Alabama State Department of Education guidance, official blueprints, accommodations, or testing schedules.

For the broader Alabama assessment hub, visit Alabama State Assessments.

3. Test

Alabama ACAP Grade 8 Science Practice Questions

A 10-question Alabama ACAP Grade 8 Science practice set on life science systems, with answers and explanations.

Choose one answer for each question. Use the evidence, model, or data in the prompt and review the explanation after answering to strengthen Grade 8 science skills.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What is the main function of the circulatory system?

Please select an answer first.

Correct answer: A

The correct answer is To transport materials throughout the body.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: The circulatory system moves oxygen, nutrients, wastes, and other materials through the body.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

The circulatory system moves oxygen, nutrients, wastes, and other materials through the body.

2. QuestionMultiple choice

Which body system exchanges oxygen and carbon dioxide with the environment?

Please select an answer first.

Correct answer: B

The correct answer is The respiratory system.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: The respiratory system brings oxygen into the body and removes carbon dioxide.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

The respiratory system brings oxygen into the body and removes carbon dioxide.

3. QuestionMultiple choice

How do the nervous and muscular systems work together?

Please select an answer first.

Correct answer: C

The correct answer is Nerve signals direct muscles to contract and create movement..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Signals from the nervous system coordinate muscle contractions and movement.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Signals from the nervous system coordinate muscle contractions and movement.

4. QuestionMultiple choice

Why is homeostasis important for an organism?

Please select an answer first.

Correct answer: D

The correct answer is It helps maintain stable internal conditions..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Homeostasis keeps internal conditions within ranges that support life processes.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Homeostasis keeps internal conditions within ranges that support life processes.

5. QuestionMultiple choice

What is the role of the small intestine in digestion?

Please select an answer first.

Correct answer: A

The correct answer is It absorbs many nutrients into the bloodstream..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Most chemical digestion and nutrient absorption occur in the small intestine.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Most chemical digestion and nutrient absorption occur in the small intestine.

6. QuestionMultiple choice

Which cell structure controls many activities of a eukaryotic cell?

Please select an answer first.

Correct answer: B

The correct answer is The nucleus.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: The nucleus contains genetic material and helps direct many cell activities.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

The nucleus contains genetic material and helps direct many cell activities.

7. QuestionMultiple choice

Why are plants important producers in most ecosystems?

Please select an answer first.

Correct answer: C

The correct answer is They make food using light energy..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Plants use photosynthesis to make chemical energy that supports food webs.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Plants use photosynthesis to make chemical energy that supports food webs.

8. QuestionMultiple choice

What is one result of genetic variation in a population?

Please select an answer first.

Correct answer: D

The correct answer is Some individuals may have traits that help them survive in changing conditions..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Variation provides different traits that may be helpful, neutral, or harmful in an environment.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Variation provides different traits that may be helpful, neutral, or harmful in an environment.

9. QuestionMultiple choice

Which relationship benefits one organism while harming the other?

Please select an answer first.

Correct answer: A

The correct answer is Parasitism.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: In parasitism, the parasite benefits while the host is harmed.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

In parasitism, the parasite benefits while the host is harmed.

10. QuestionMultiple choice

What happens to matter in an ecosystem?

Please select an answer first.

Correct answer: B

The correct answer is Matter cycles through organisms and the environment..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Elements and compounds move through food webs, decomposers, soil, water, and the atmosphere.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Elements and compounds move through food webs, decomposers, soil, water, and the atmosphere.

Choose your next study path

Frequently asked questions about Alabama ACAP Grade 8 Science Practice

What skills are covered?

The page covers Grade 8 matter, chemical reactions, forces, energy, waves, life science systems, Earth and space systems, scientific practices, data, and engineering design.

How many questions are included?

There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.

Are these official ACAP questions?

No. These are original supplemental practice questions. Always check the latest Alabama State Department of Education information for official testing dates, blueprints, accommodations, and policies.