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90+ Free RISE Science Grade 8 Practice Questions

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Key Facts: RISE Science Grade 8 Exam

Official RISE Science Grade 8 evaluates the four Utah SEEd Grade 8 strands through phenomena-based item clusters. This 90-question practice bank is an English-language MCQ study adaptation, not a simulation of the official format.

Sample RISE Science Grade 8 Practice Questions

Try these sample questions to test your RISE Science Grade 8 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 90+ question experience with AI tutoring.

1A student pours 50 mL of vinegar into a flask and adds 10 g of baking soda. She immediately seals the flask with a tight rubber stopper. A gas forms and inflates a balloon attached to the flask. When she measures the total mass of the sealed apparatus before and after the reaction, the mass remains exactly 160 grams. Which principle does this phenomenon demonstrate?
A.Gas molecules have no mass when produced in a reaction.
B.Total mass is conserved in a closed system during a chemical reaction.
C.Chemical reactions create new matter that replaces the original reactants.
D.Energy is converted into mass when bubbles are generated.
Explanation: In a closed system, matter cannot enter or leave. According to the Law of Conservation of Mass, the total number and type of atoms remain identical before and after a chemical reaction, so the total mass of reactants equals the total mass of products.
2An iron nail with a mass of 5.0 grams is left in a humid environment for several weeks. When re-weighed, the rusty nail has a mass of 5.7 grams. Why did the mass of the solid nail increase?
A.Iron atoms multiplied inside the nail due to exposure to water.
B.Oxygen gas from the surrounding air chemically bonded with iron atoms to form rust.
C.The nail absorbed heat energy which added extra mass to the solid metal.
D.Rust is denser than pure iron, so the nail gained weight without adding atoms.
Explanation: Rusting is a chemical reaction where iron atoms combine with oxygen gas from the air to form iron oxide (rust). The additional 0.7 grams comes from the oxygen gas molecules that chemically bonded to the iron atoms.
3A block of solid dry ice (carbon dioxide) is placed on a table at room temperature. White foggy gas immediately begins billowing off the block, and after one hour no solid remains. Which statement correctly describes this event?
A.It is a chemical reaction because a new gas substance with different properties was created.
B.It is a physical change (sublimation) because the carbon dioxide molecules changed state without breaking chemical bonds.
C.It is a chemical change because carbon dioxide atoms disappeared permanently.
D.It is a physical change because the total mass of the room decreased.
Explanation: Sublimation is a physical phase change where solid CO2 transitions directly into gaseous CO2. The chemical identity of the molecules remains carbon dioxide throughout the process.
4A hiker activates an instant hand warmer pouch by squeezing it to mix iron powder, water, and salt. Within minutes, the pouch feels warm to the touch. What type of reaction is occurring inside the pouch?
A.An endothermic chemical reaction that absorbs thermal energy from the hiker's hands.
B.An exothermic chemical reaction that releases stored chemical energy as thermal energy.
C.A physical phase change where liquid water freezes into solid ice.
D.A nuclear reaction that converts iron atoms into helium gas.
Explanation: Exothermic chemical reactions release thermal energy to their surroundings. Oxidation of iron inside the pouch releases energy, causing the temperature of the pouch and its surroundings to increase.
5An athletic trainer snaps an instant cold pack to mix water and solid ammonium nitrate. The cold pack quickly drops in temperature from 22°C to 4°C. How should this phenomenon be classified?
A.An exothermic reaction because thermal energy is destroyed.
B.An endothermic process because thermal energy is absorbed from the surroundings.
C.A physical change because no energy transfer took place.
D.An exothermic reaction because cold energy is released into the skin.
Explanation: Endothermic processes absorb thermal energy from their surroundings, causing the surrounding temperature to drop as chemical bonds absorb heat energy.
6When methane gas (CH4) reacts with oxygen gas (2O2), it forms carbon dioxide (CO2) and water vapor (2H2O). Which statement about the atoms in this reaction is correct?
A.The total number of hydrogen atoms increases from 4 to 8 during combustion.
B.Carbon atoms are converted into oxygen atoms to release heat.
C.The exact same number of carbon, hydrogen, and oxygen atoms exist before and after the reaction.
D.Oxygen atoms disappear completely to create new water molecules.
Explanation: Chemical reactions rearrange atoms into new molecular combinations. The reactants contain 1 carbon, 4 hydrogen, and 4 oxygen atoms, which exactly match the 1 carbon, 4 hydrogen, and 4 oxygen atoms present in the products.
7Plastic water bottles are made from polyethylene, a synthetic polymer synthesized from natural petroleum oil. Which statement best explains how synthetic materials differ from the natural resources used to make them?
A.Synthetic materials contain atoms that do not exist in nature.
B.Synthetic materials are created through human chemical processing that rearranges natural molecules into new structures.
C.Natural resources cannot undergo chemical reactions unless synthetic chemicals are added.
D.Synthetic materials return to their natural oil state instantly when exposed to sunlight.
Explanation: Synthetic materials originate from natural resources that undergo human-engineered chemical reactions to form new chemical bonds and polymer chains with unique properties not found in the raw resource.
8During summer at Utah's Great Salt Lake, shallow water evaporates under intense sunlight, leaving thick white crusts of solid salt along the shoreline. What process is occurring to form the salt crust?
A.A chemical reaction that synthesizes salt out of hydrogen and oxygen gas.
B.A physical separation where liquid water changes to gas, leaving dissolved mineral ions behind.
C.An endothermic chemical reaction that turns water molecules into sodium chloride.
D.A chemical change where sunlight breaks salt bonds into water vapor.
Explanation: Evaporation is a physical phase change. Water molecules absorb thermal energy and turn into vapor, leaving behind dissolved mineral salts that crystallize out of solution.
9A shiny copper statue exposed to outdoor air over decades slowly turns bright green. Scientists test the green coating and find it is copper carbonate. What evidence confirms a chemical reaction occurred?
A.The copper metal dissolved into a transparent liquid state.
B.A new substance with a different color and chemical composition was formed from copper, oxygen, and carbon dioxide.
C.The mass of the statue decreased to zero as copper atoms transformed into energy.
D.The statue absorbed light waves and reflected green light without any atomic changes.
Explanation: The formation of a new substance (copper carbonate) with distinct chemical properties and color (green vs shiny reddish-brown copper) proves that copper atoms reacted chemically with gases in the atmosphere.
10A campfire burns a 10 kg wooden log inside an open fire pit. Afterwards, the remaining pile of ash weighs only 0.5 kg. Does this observation violate the Law of Conservation of Mass?
A.Yes, because 9.5 kg of wood mass was destroyed by high heat.
B.No, because the remaining 9.5 kg escaped into the air as carbon dioxide, water vapor, and smoke in an open system.
C.Yes, because chemical reactions in open fires do not follow mass conservation rules.
D.No, because ash particles are 20 times denser than original wood atoms.
Explanation: In an open system like a fire pit, gaseous products (CO2 and H2O vapor) escape into the atmosphere. If all combustion gases and smoke were trapped and measured, the total mass of products would equal the total mass of wood and oxygen reactants.

About the RISE Science Grade 8 Exam

Prepare for Utah RISE Grade 8 Science with 90 phenomena-based questions covering chemical reactions and conservation of matter, energy and wave behaviour, photosynthesis and the carbon cycle, and Earth's natural resources and hazards.

Assessment

Phenomena-based item clusters, selected-response, and technology-enabled tasks.

Time Limit

Untimed (~60-90 minutes typical)

Passing Score

Level 3 (Proficient)

Exam Fee

$0 (Free for Utah public school students) (Utah State Board of Education)

RISE Science Grade 8 Exam Content Outline

30%

Strand 8.1: Matter and Energy Interact in the Physical World

Atomic and molecular models, physical versus chemical change, evidence of chemical reactions, conservation of atoms and mass in closed systems, synthetic materials, and thermal energy and particle motion.

30%

Strand 8.2: Energy Is Stored and Transferred in Physical Systems

The relationship among mass, speed, and kinetic energy; energy transfer between objects; wave amplitude, wavelength and frequency; reflection, absorption and transmission; and why digital signals transmit information more reliably than analog.

20%

Strand 8.3: Life Systems Store and Transfer Matter and Energy

Photosynthesis as a matter and energy transformation, how food is chemically rearranged to support growth and release energy, and how changes to an ecosystem affect matter cycling and energy flow through the carbon cycle.

20%

Strand 8.4: Interactions With Natural Systems and Resources

Geologic causes of the uneven distribution of mineral, energy, and groundwater resources; per-capita consumption of limited resources; designing solutions to monitor or mitigate resource use; factors that change global temperatures and regional climates; and forecasting and mitigating natural hazards.

How to Pass the RISE Science Grade 8 Exam

What You Need to Know

  • Passing score: Level 3 (Proficient)
  • Assessment: Phenomena-based item clusters, selected-response, and technology-enabled tasks.
  • Time limit: Untimed (~60-90 minutes typical)
  • Exam fee: $0 (Free for Utah public school students)

Keys to Passing

  • Work through all 90 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

RISE Science Grade 8 Study Tips from Top Performers

1Analyze scientific phenomena scenarios carefully, focusing on data trends in graphs and tables before reading question choices.
2Practice calculating mass conservation in chemical equations to verify that atom counts match on reactant and product sides.
3Understand inverse-square relationship concepts of gravity as distance increases between celestial bodies.
4Review the differences between mechanical waves (requiring a medium) and electromagnetic light waves (capable of traveling through a vacuum).
5Focus on explaining how natural selection alters trait frequencies in a population over generations in response to environmental shifts.

Frequently Asked Questions

What is the Utah RISE Grade 8 Science assessment?

RISE (Readiness, Improvement, Success, and Empowerment) is Utah's summative assessment system evaluating student mastery of the Utah SEEd (Science with Engineering Education) standards for 8th grade.

How is the RISE Grade 8 Science test formatted?

The test is administered online and features phenomena-based item clusters where students analyze real-world scientific scenarios, datasets, diagrams, and models to answer interconnected questions.

What topics are covered on the 8th grade RISE Science test?

The test covers four main SEEd strands: Chemical Reactions & Conservation of Mass (Strand 8.1), Gravity & Solar System (Strand 8.2), Natural Selection & Evolution (Strand 8.3), and Waves & Light (Strand 8.4).

What is considered a passing score on RISE Science Grade 8?

Performance is reported across four achievement levels: Level 1 (Below Proficient), Level 2 (Approaching Proficient), Level 3 (Proficient), and Level 4 (Highly Proficient). Reaching Level 3 or Level 4 demonstrates grade-level proficiency.