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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.

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Alabama ACAP Grade 8 Science Practice Questions

A 10-question Alabama ACAP Grade 8 Science practice set on earth and space 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 causes the phases of the Moon?

Please select an answer first.

Correct answer: A

The correct answer is The changing positions of the Moon, Earth, and Sun.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: We see different portions of the Moon illuminated as the Moon orbits Earth.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

We see different portions of the Moon illuminated as the Moon orbits Earth.

2. QuestionMultiple choice

What causes day and night on Earth?

Please select an answer first.

Correct answer: B

The correct answer is Earth rotates on its axis..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: The side of Earth facing the Sun has day while the opposite side has night as Earth rotates.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

The side of Earth facing the Sun has day while the opposite side has night as Earth rotates.

3. QuestionMultiple choice

What is the main cause of ocean tides?

Please select an answer first.

Correct answer: C

The correct answer is Gravitational forces from the Moon and Sun.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: The gravity of the Moon and Sun pulls on ocean water and contributes to tides.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

The gravity of the Moon and Sun pulls on ocean water and contributes to tides.

4. QuestionMultiple choice

At a divergent plate boundary, what usually happens?

Please select an answer first.

Correct answer: D

The correct answer is Plates move apart and new crust can form..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Divergent boundaries separate, allowing magma to rise and cool into new crust.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Divergent boundaries separate, allowing magma to rise and cool into new crust.

5. QuestionMultiple choice

Which evidence supports the theory of plate tectonics?

Please select an answer first.

Correct answer: A

The correct answer is Matching fossils and rock layers on continents now separated.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Matching fossils and geologic structures across oceans suggest that continents were once connected.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Matching fossils and geologic structures across oceans suggest that continents were once connected.

6. QuestionMultiple choice

What is the difference between weather and climate?

Please select an answer first.

Correct answer: B

The correct answer is Weather is short-term atmospheric conditions; climate is a long-term pattern..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Weather changes over short periods, while climate describes patterns over many years.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Weather changes over short periods, while climate describes patterns over many years.

7. QuestionMultiple choice

Why can greenhouse gases warm the lower atmosphere?

Please select an answer first.

Correct answer: C

The correct answer is They absorb and re-emit some outgoing thermal energy..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Greenhouse gases interact with infrared radiation and can increase retained thermal energy.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Greenhouse gases interact with infrared radiation and can increase retained thermal energy.

8. QuestionMultiple choice

Which process moves water from Earth surface into the atmosphere?

Please select an answer first.

Correct answer: D

The correct answer is Evaporation.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Evaporation changes liquid water into water vapor, often using energy from the Sun.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Evaporation changes liquid water into water vapor, often using energy from the Sun.

9. QuestionMultiple choice

How does erosion differ from weathering?

Please select an answer first.

Correct answer: A

The correct answer is Weathering breaks material down, while erosion transports it..

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Weathering breaks rock into smaller pieces and erosion moves the pieces by water, wind, ice, or gravity.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Weathering breaks rock into smaller pieces and erosion moves the pieces by water, wind, ice, or gravity.

10. QuestionMultiple choice

Which resource is renewable on a human time scale?

Please select an answer first.

Correct answer: B

The correct answer is Wind energy.

  1. Identify the science idea: Read the situation, model, or data carefully and identify the science concept being tested.
  2. Use evidence: Wind is naturally replenished, while fossil fuels form over very long geologic periods.
  3. Check the conclusion: Compare the answer with the evidence and confirm that the explanation matches the question.

Wind is naturally replenished, while fossil fuels form over very long geologic periods.

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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.