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100+ Free NES Earth and Space Science (307) Practice Questions

Pass your Washington NES Earth and Space Science (307) exam on the first try — instant access, no signup required.

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A continent-continent collision most commonly produces which geologic result?

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Key Facts: NES Earth and Space Science (307) Exam

307

Current NES Code

WEST Tests List / NES 307 test page

150

Official Multiple-Choice Questions

NES Earth and Space Science (307) test page

3 hr

Testing Time

NES Earth and Space Science (307) test page

3 hr 15 min

Appointment Time

NES Earth and Space Science (307) test page

220

Passing Score

NES Earth and Space Science (307) test page

$119

Test Fee

NES Earth and Space Science (307) test page

25%

Largest Domain: Geology

NES Earth and Space Science (307) profile

18/25/19/19/19

Practice Bank Domain Split

Official profile weights mirrored in this bank

Use current code 307 for Washington Earth and Space Science. The official WEST tests list now places Earth and Space Science under NES code 307, while WEST-E code 070 is Special Education. NES 307 has 150 multiple-choice questions, 3 hours of testing time within a 3 hour 15 minute appointment, a $119 fee, and a 220 scaled passing score. The official profile weights the domains as Nature of Science 18%, Geology 25%, Oceanography and Freshwater Systems 19%, Atmosphere/Weather/Climate 19%, and Astronomy 19%. This 100-question bank mirrors those weights exactly with 18, 25, 19, 19, and 19 practice questions.

Sample NES Earth and Space Science (307) Practice Questions

Try these sample questions to test your NES Earth and Space Science (307) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A teacher wants students to test whether soil type affects how quickly water infiltrates. Which design best isolates soil type as the independent variable?
A.Use equal masses of different soils in identical columns and pour the same volume of water into each column
B.Use different soil masses because each soil has a different density
C.Pour water into one soil column and compare it with last week's class data
D.Use different amounts of water so each sample becomes saturated at the same time
Explanation: The independent variable is soil type, so other major conditions should be controlled: soil mass or column volume, column shape, water volume, and measurement method. This allows differences in infiltration time to be attributed mainly to soil type.
2Students measure stream nitrate concentration at five sites below a farm field after a rainstorm. Which additional information would most improve their ability to evaluate whether runoff from the field is affecting the stream?
A.The color of rocks in the stream channel
B.A nitrate measurement upstream from the field collected at the same time
C.The names of the students who collected each sample
D.The stream's distance from the nearest ocean basin
Explanation: An upstream measurement provides a control or baseline for comparison. If nitrate rises downstream from the field relative to upstream conditions during the same event, the evidence for a runoff influence is stronger.
3A graph shows that a glacier's terminus position moved from 0 m to -600 m over 30 years. What is the average annual change in terminus position?
A.-20 m per year
B.-30 m per year
C.20 m per month
D.600 m per year
Explanation: Average rate equals change divided by time: (-600 m - 0 m) / 30 years = -20 m per year. The negative sign indicates retreat relative to the original position.
4Which lab practice is safest when diluting concentrated hydrochloric acid for a mineral reaction test?
A.Add water to acid quickly while stirring
B.Add acid slowly to water while wearing splash goggles and gloves
C.Smell the acid directly to verify its concentration
D.Neutralize the acid with unknown powdered minerals before labeling it
Explanation: Strong acids release heat when diluted. Adding acid slowly to water, not water to acid, reduces splattering risk, and eye and hand protection are essential.
5A topographic map has a 1:24,000 scale. What ground distance is represented by 2 cm on the map?
A.48 m
B.240 m
C.480 m
D.2,400 m
Explanation: A 1:24,000 scale means 1 cm on the map equals 24,000 cm on the ground. Two centimeters represent 48,000 cm, which is 480 m.
6Two research teams use the same satellite temperature data but choose different baseline periods for calculating anomalies. What should readers check before comparing their anomaly graphs?
A.Whether both graphs use the same anomaly reference period
B.Whether the graph titles use the same font size
C.Whether the satellite was launched in a leap year
D.Whether the graphs contain exactly the same number of grid lines
Explanation: Temperature anomalies are differences from a chosen reference period. Different baselines shift the zero point, so the trends may be comparable while absolute anomaly values are offset.
7A student claims, 'Continental drift was rejected at first, so scientific theories are just guesses.' Which response best reflects the nature of science?
A.Theories are guesses until every scientist agrees
B.Scientific explanations are evaluated against evidence and may change when mechanisms and new data support them
C.Older scientific ideas are always wrong after new technology appears
D.A theory becomes a law after enough observations are collected
Explanation: Scientific theories are well-supported explanatory frameworks. Continental drift lacked a convincing mechanism early on, but evidence from seafloor spreading, paleomagnetism, and plate tectonics later strengthened the explanation.
8Which statement is a testable hypothesis for an Earth science investigation?
A.Volcanoes are the most interesting landforms
B.Basalt is prettier than granite
C.If stream velocity increases, then the maximum sediment particle size transported by the stream will increase
D.All mountains should be protected because they are beautiful
Explanation: A testable hypothesis predicts a measurable relationship between variables. Stream velocity and transported particle size can be measured and compared using field or laboratory data.
9A class repeats a mineral hardness test and obtains values that vary widely for the same sample. Which action is the best first step for improving reliability?
A.Average the results and ignore the range
B.Review and standardize the testing procedure before collecting another set of trials
C.Change the mineral name to match the most common value
D.Keep only the trials that match the expected textbook hardness
Explanation: Wide scatter suggests inconsistent procedures, misidentified tools, weathered surfaces, or recording errors. Standardizing the method and repeating trials improves reliability and helps identify sources of variation.
10Which technology would best help map the regional extent of wildfire burn scars over several hundred square kilometers?
A.A hand lens
B.Satellite remote sensing
C.A classroom seismograph
D.A stream flow meter
Explanation: Satellite remote sensing can repeatedly image large areas and detect changes in vegetation and surface reflectance, making it well suited for mapping regional burn scars.

About the NES Earth and Space Science (307) Exam

The Washington NES Earth and Space Science (307) test is the current Earth and Space Science content assessment listed in the WEST program. The official test page lists 150 multiple-choice questions, 3 hours of testing time, a 220 scaled passing score, and a $119 fee. The official profile organizes the test into five domains: Nature of Science; Geology; Oceanography and Freshwater Systems; Atmosphere, Weather, and Climate; and Astronomy.

Assessment

150 multiple-choice questions; this free practice bank contains 100 selected-response questions aligned to the official profile weights

Time Limit

3 hours testing time; 3 hours 15 minutes total appointment time

Passing Score

220 scaled score

Exam Fee

$119 (Pearson Evaluation Systems (NES) / Washington WEST)

NES Earth and Space Science (307) Exam Content Outline

18% of official test; 18% of this bank

Nature of Science

Scientific inquiry, experimental design, measurement, data displays, models, remote sensing, maps, safety, evidence-based claims, the history and nature of science, and applications of Earth and space science to environmental and societal decisions. Practice questions 1-18 target this domain.

25% of official test; 25% of this bank

Geology

Geologic time, fossils, Earth history, plate tectonics, earthquakes, volcanoes, Earth's interior, rocks, minerals, Bowen's reaction series, metamorphism, soils, weathering, erosion, deposition, mass wasting, groundwater landforms, resources, and mountain building. Practice questions 19-43 target this domain.

19% of official test; 19% of this bank

Oceanography and Freshwater Systems

Water properties, the hydrologic cycle, groundwater, aquifers, watersheds, floods, eutrophication, ocean basins, surface and deep circulation, waves, tides, estuaries, upwelling, El Nino, coastal processes, deltas, and human impacts on water systems. Practice questions 44-62 target this domain.

19% of official test; 19% of this bank

Atmosphere, Weather, and Climate

Atmospheric composition and layers, radiation and albedo, pressure gradients, global circulation, Coriolis effect, fronts, clouds, weather maps, severe weather, orographic effects, climate controls, monsoons, paleoclimate evidence, greenhouse gases, volcanic aerosols, and air pollution. Practice questions 63-81 target this domain.

19% of official test; 19% of this bank

Astronomy

The Sun and stars, H-R diagrams, stellar evolution, galaxies, spectroscopy, dark matter evidence, solar-system formation, planets, Kepler's laws, small bodies, seasons, Moon phases, eclipses, tides, apparent motion, parallax, exoplanets, and retrograde motion. Practice questions 82-100 target this domain.

How to Pass the NES Earth and Space Science (307) Exam

What You Need to Know

  • Passing score: 220 scaled score
  • Assessment: 150 multiple-choice questions; this free practice bank contains 100 selected-response questions aligned to the official profile weights
  • Time limit: 3 hours testing time; 3 hours 15 minutes total appointment time
  • Exam fee: $119

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

NES Earth and Space Science (307) Study Tips from Top Performers

1Use the official domain weights to allocate time: Geology receives the largest share, while the other four domains are close in weight
2Practice with maps, graphs, cross sections, weather station models, H-R diagrams, and orbital relationships because data interpretation appears across domains
3Connect processes across Earth systems, such as how ocean circulation affects climate or how weathering links rocks, soils, water, and atmospheric carbon dioxide
4Memorize core cause-and-effect relationships: plate boundary to landform, magma composition to eruption style, pressure gradient to wind, and Moon phase to eclipse or tide geometry
5Do timed mixed sets because the official test has 150 multiple-choice questions in 3 hours, requiring steady pacing
6Verify scheduling details on the current WEST/NES test page before registration because fees and delivery options can change

Frequently Asked Questions

What is the current exam code for Washington Earth and Space Science?

The current official WEST tests list shows Earth and Space Science as NES code 307. Code 070 is currently listed for Special Education, so this metadata uses NES 307 rather than the older or missing WEST-E Earth and Space Science 070 label.

How many questions are on the NES Earth and Space Science (307) test?

The official NES 307 test page lists 150 multiple-choice questions. This free practice bank contains 100 multiple-choice questions aligned to the official profile weights.

What score do I need to pass NES Earth and Space Science (307)?

The official test page lists a passing score of 220 on the NES scaled-score system. Because scaled scores are not raw percentages, candidates should prepare for consistent performance across all five domains.

How is the NES Earth and Space Science (307) test weighted?

The official profile weights the domains as Nature of Science 18%, Geology 25%, Oceanography and Freshwater Systems 19%, Atmosphere, Weather, and Climate 19%, and Astronomy 19%.

How long is the NES Earth and Space Science (307) test and what does it cost?

The official test page lists 3 hours of testing time, a total appointment time of 3 hours 15 minutes, and a $119 test fee. Always verify fee and scheduling details in the live WEST/NES registration system before registering.

Are reference materials provided?

The official test page states that reference materials are not provided for NES Earth and Space Science (307), so candidates should be ready to work from core concepts, data, maps, and common quantitative relationships.