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Delaware State Assessments · DeSSA-Alt · Science · Grades 5, 8, and 10

Delaware DeSSA-Alt Science Practice Test

Build Delaware DeSSA-Alt Science readiness with five focused 10-question practice sets covering life science, Earth and space science, physical science, environment, data, investigations, and evidence.

Delaware DeSSA-Alt Science practice sets

This Delaware DeSSA-Alt Science Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets use clear language and practical contexts to review living systems, Earth and space, physical science, environmental systems, data, investigations, and evidence.

Skills covered

  • Life science: plants, animals, habitats, food chains, cells, inherited traits, pollination, decomposers, seeds, and adaptations
  • Earth and space science: evaporation, day and night, weather, erosion, Moon phases, rocks, seasons, renewable energy, maps, and clouds
  • Physical science: states of matter, forces, magnets, circuits, sound, thermal energy, chemical changes, mass, friction, and reflection
  • Environment and investigation: habitat loss, pollution, conservation, graphs, water use, food webs, observations, fair tests, models, and evidence
  • Integrated review: habitats, tools, measurement, solar energy, plant investigations, shadows, data, the water cycle, waste reduction, and pond evidence

How to use this page

Read one short science task at a time. Identify the observation or evidence, choose the best explanation, and review the solution after each response.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Delaware Department of Education, official DeSSA-Alt materials, accommodations, or testing policies.

For the Delaware assessment hub, visit Delaware State Assessments.

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Delaware DeSSA-Alt Science Practice Questions

A 10-question Delaware DeSSA-Alt Science practice set on earth and space science, with answers and explanations.

Read each short science task carefully, identify the evidence, choose one answer, and review the explanation after responding.

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

What process changes liquid water into water vapor?

Please select an answer first.

Correct answer: A

The correct answer is Evaporation.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Evaporation changes liquid water into a gas when water gains energy.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Evaporation changes liquid water into a gas when water gains energy.

2. QuestionMultiple choice

What causes day and night?

Please select an answer first.

Correct answer: B

The correct answer is Earth rotates on its axis..

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: As Earth rotates, different parts face toward or away from the Sun.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

As Earth rotates, different parts face toward or away from the Sun.

3. QuestionMultiple choice

What does a weather forecast tell people?

Please select an answer first.

Correct answer: C

The correct answer is What weather may happen.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: A forecast gives information about expected weather conditions.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

A forecast gives information about expected weather conditions.

4. QuestionMultiple choice

What is erosion?

Please select an answer first.

Correct answer: D

The correct answer is The movement of soil or rock by wind, water, or ice.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Erosion moves sediment from one place to another.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Erosion moves sediment from one place to another.

5. QuestionMultiple choice

Why does the Moon appear to have different shapes during a month?

Please select an answer first.

Correct answer: A

The correct answer is Different parts of its sunlit side are visible from Earth..

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: The visible phase changes as the Moon moves around Earth.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

The visible phase changes as the Moon moves around Earth.

6. QuestionMultiple choice

What type of rock forms when melted rock cools and becomes solid?

Please select an answer first.

Correct answer: B

The correct answer is Igneous rock.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Cooling magma or lava forms igneous rock.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Cooling magma or lava forms igneous rock.

7. QuestionMultiple choice

Why do many places have warmer summers and cooler winters?

Please select an answer first.

Correct answer: C

The correct answer is Earth is tilted as it travels around the Sun..

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Earths tilt and orbit change the angle and amount of sunlight received during the year.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Earths tilt and orbit change the angle and amount of sunlight received during the year.

8. QuestionMultiple choice

Which is a renewable energy source?

Please select an answer first.

Correct answer: D

The correct answer is Wind.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Wind is naturally replenished, while fossil fuels are limited resources.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Wind is naturally replenished, while fossil fuels are limited resources.

9. QuestionMultiple choice

What can a map show?

Please select an answer first.

Correct answer: A

The correct answer is Where places and features are located.

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Maps represent locations and geographic features.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Maps represent locations and geographic features.

10. QuestionMultiple choice

What usually happens when warm, moist air rises and cools?

Please select an answer first.

Correct answer: B

The correct answer is Clouds may form..

  1. Read the science task: Look for the observation, object, living thing, weather condition, material, or data pattern in the question.
  2. Use the evidence: Cooling water vapor can condense into droplets that form clouds.
  3. Check the response: Choose the answer best supported by the Delaware DeSSA-Alt Science practice task.

Cooling water vapor can condense into droplets that form clouds.

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Frequently asked questions about Delaware DeSSA-Alt Science Practice

Which grades are covered?

This page provides accessible Science practice across the Delaware DeSSA-Alt grade ranges listed for Grades 5, 8, and high school science.

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 DeSSA-Alt questions?

No. These are original supplemental practice questions. Check the latest Delaware Department of Education and official DeSSA-Alt information for current materials, accommodations, and policies.