Grade 8 Worksheets

Learning Objectives

• Identify observable evidence of chemical reactions, including gas formation, precipitate formation, color/temperature change, and irreversible transformation.
• Distinguish chemical changes from physical changes using reaction evidence.
• Explain how conservation ideas apply when matter is kept within a closed system during reactions.

Learning Objectives

• Understand key concepts related to ELA
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain how viscosity affects a liquid’s resistance to flow.
• Distinguish dynamic viscosity and kinematic viscosity using appropriate descriptions and units.
• Relate viscosity to laminar versus turbulent flow and describe how temperature changes viscosity.+ Show more

Learning Objectives

• Identify the main idea of an informational text about human effects on ecosystems.
• Describe supporting details about how land use changes habitats, nutrients, and species interactions.
• Explain one ecosystem mitigation approach used to reduce harm.

Learning Objectives

• Understand key concepts related to ELA
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain how pollinators support biodiversity and food production in ecosystems
• Analyze how cultural stories about pollinators can connect to conservation today
• Use vocabulary related to ecosystems, pollination, and interdependence to answer questions

Learning Objectives

• Explain how the rise of sectional rhetoric contributed to political polarization in the 1850s.
• Describe how legal decisions and electoral-related changes intensified regional conflict.
• Analyze how the breakdown of compromise structures helped undermine national unity.

Learning Objectives

• Understand the origins and goals of various reform movements during the antebellum period.
• Identify key social issues addressed by abolition, women's rights, temperance, and educational reforms.
• Analyze how reform efforts reflected broader societal changes and challenged traditional norms.+ Show more

Learning Objectives

• Understand how parts of a sentence connect to convey meaning.
• Identify main and subordinate clauses within sentences.
• Recognize how punctuation and sentence structure influence emphasis and clarity.

Learning Objectives

• Explain how online interactions can affect relationships and mental well-being.
• Identify harmful online behaviours such as cyberbullying and describe their potential impacts.
• Apply strategies for preventing and responding to cyberbullying in realistic scenarios.+ Show more

Learning Objectives

• Explain how genetic variation arises from allele combinations and DNA changes.
• Describe how mutations introduce new alleles and how these can affect traits.
• Connect variation in traits to the process of natural selection.

Learning Objectives

• Understand the role of taxes and budgeting in civic life and personal finance.
• Reflect on ethical considerations related to taxation and economic equality.
• Analyze stories of civic leaders advocating for fair taxation.+ Show more

Learning Objectives

• Explain how internal structures help living organisms survive by supporting processes like circulation, digestion, and respiration.
• Connect the structure of organs or tissues to their specific functions in transporting materials within an organism.
• Describe how external structures (such as beaks, teeth, shells, and leaves) work with internal systems to meet survival needs.

Learning Objectives

• Explain the difference between criteria and constraints in engineering and science problems
• Identify measurable criteria and realistic constraints in a design scenario
• Use criteria and constraints to justify which solution is most feasible

Learning Objectives

• Explain how negative and positive feedback mechanisms help maintain internal stability in the body.
• Describe how cells and organ systems communicate using signals to regulate variables around a set point.
• Use examples (blood glucose, temperature, and water balance) to connect sensors, control centers, and effectors.

Learning Objectives

• Understand the concept of natural selection and its role in evolution
• Identify evidence supporting natural selection such as fossil records, structural similarities, and genetic differences
• Recognize how environmental pressures influence advantageous traits and reproductive success

Learning Objectives

• Explain the main components of an electric power grid and how electricity moves from generators to homes.
• Identify how supply and demand are balanced in real time.
• Describe how regional resources affect the generation mix in a grid.+ Show more

Learning Objectives

• Understand how pollution alters ecosystem chemistry and nutrient cycles.
• Identify the effects of excess nutrients and persistent contaminants on water, soil, and organisms.
• Learn methods to trace pollution sources, pathways, and bioaccumulation in ecological systems.+ Show more

Learning Objectives

• Explain how variation and environmental conditions influence which traits become more common over generations.
• Describe how natural selection can lead to increased adaptation in a population over time.
• Use examples such as antibiotic resistance to connect natural selection to real-world evidence.

Learning Objectives

• Understand different types of species interactions such as predation, competition, mutualism, and parasitism.
• Identify how species interactions influence population sizes and community structures.
• Analyze real-world examples of species relationships and their ecological impacts.+ Show more

Learning Objectives

• Explain how pollinators such as bees, butterflies, and birds support ecosystems and food systems.
• Identify conservation strategies that protect habitat and reduce harmful human impacts on wildlife.
• Evaluate community and global conservation efforts and connect them to personal actions.+ Show more

Learning Objectives

• Understand how to analyze motion with segments of different speeds and durations.
• Apply proportional reasoning to compute average speed in nonuniform motion scenarios.
• Use distance-time pairs to model and interpret complex travel legs.+ Show more

Learning Objectives

• Identify different types of community resources that support physical activity.
• Explain how community programs can help overcome barriers to being active.
• Make informed decisions about where and how to access local opportunities safely.

Learning Objectives

• Identify the main components of hydraulic systems.
• Explain how hydraulic systems transfer force.
• Evaluate the factors affecting hydraulic system performance.

Learning Objectives

• Understand how human land use and resource extraction alter ecosystems.
• Identify impacts of agriculture, urban expansion, and invasive species on habitats.
• Analyze case studies of environmental disturbances like oil sands and wetland drainage.+ Show more

Learning Objectives

• Identify and interpret similes and metaphors in various texts.
• Understand how figurative language enhances mood, tone, and meaning.
• Analyze comparisons to deepen understanding of abstract ideas.

Learning Objectives

• Explain Pascal’s principle and how pressure in a confined fluid is transmitted
• Use hydraulic-piston ideas to relate input force, piston area, output force, and mechanical advantage
• Identify real-world limitations in hydraulic systems such as fluid compressibility and seal leaks

Learning Objectives

• Identify different types of clauses and phrases used to clarify and add detail
• Understand how subordinate clauses function within sentences
• Recognize relative clauses and embedded phrases that specify nouns+ Show more

Learning Objectives

• Understand the purpose and construction of physical and computational models for data generation.
• Identify sources of measurement uncertainty and limitations in modeling.
• Learn best practices for ensuring repeatability and accurate data recording.+ Show more

Learning Objectives

• Use proportional reasoning and particle/stoichiometric relationships to predict relative masses of reactants and products in closed systems.
• Apply the law of conservation of mass to check whether measured changes are reasonable when direct measurements are available.
• Estimate material balances by comparing expected vs. observed residues in practical combustion and remediation contexts.

Learning Objectives

• Explain how particle motion relates to temperature and phase changes in matter.
• Describe the energy transfer processes involved in melting, boiling, and condensation.
• Relate macroscopic temperature measurements to microscopic particle behavior.+ Show more

Learning Objectives

• Distinguish physical and chemical changes using observable evidence such as gas formation, precipitates, and persistent color or temperature changes.
• Identify signs that suggest a chemical change versus signs that suggest a physical change, without assuming atomic-level details.
• Explain how properties like melting point, solubility, and conductivity may indicate chemical change or remain stable in physical processes.

Learning Objectives

• Understand what invasive species are and how they impact ecosystems.
• Identify ways invasive species disrupt native habitats.
• Recognize the long-term effects of invasive species on ecosystems.

Learning Objectives

• Explain how mass affects an object's acceleration when the same net force is applied.
• Compare the motion of objects with different masses under identical pushes.
• Use qualitative inverse reasoning to connect mass and acceleration for a fixed net force.+ Show more

Learning Objectives

• Explain how negative and positive feedback help maintain internal stability (homeostasis).
• Describe how cells and organ systems use sensors, control centers, and effectors to regulate variables at a set point.
• Use examples such as blood glucose regulation, thermoregulation, and osmoregulation to trace signal integration to bodily responses.

Learning Objectives

• Describe the main principles and stages involved in drinking-water and wastewater treatment.
• Explain mechanisms for removal of suspended solids, pathogens, and dissolved contaminants.
• Identify advanced treatment methods such as biological nutrient removal and engineered wetlands.+ Show more

Learning Objectives

• Use crater density and surface roughness to infer the relative ages of planetary surfaces
• Explain how resurfacing, erosion, and atmospheric effects can change what we see
• Connect impact features to the surrounding materials to support geologic history claims

Learning Objectives

• Explain how major body systems (circulatory, respiratory, digestive) support overall health.
• Identify how lifestyle habits affect body system function and day-to-day performance.
• Use key vocabulary to describe interactions between body systems.

Learning Objectives

• Construct free-body diagrams with gravitational, normal, tension, and friction forces
• Determine whether forces are balanced or unbalanced from a free-body diagram
• Calculate net force magnitude and direction for simple 1D systems+ Show more

Learning Objectives

• Understand the different types of plate boundaries and their effects on Earth's surface.
• Identify evidence that supports the theory of plate tectonics.
• Explain how geological features like mountains, earthquakes, and volcanoes are related to plate movements.+ Show more

Learning Objectives

• Describe the processes involved in Earth's rock cycle, including melting, crystallization, uplift, weathering, transport, and deposition.
• Explain how mantle convection and surface interactions influence Earth's geology and material flows.
• Identify the roles of Earth's internal heat and gravitational potential as energy sources in geosphere processes.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Use volume formulas to find the volume of cylinders, cones, and spheres.
• Substitute values for radius and height into the correct formula and simplify accurately.
• Solve for an unknown radius or height using volume relationships.+ Show more

Learning Objectives

• Explain how energy moves through ecosystems from producers to higher trophic levels
• Describe why only a fraction of energy is transferred between trophic levels
• Interpret how food chains and energy pyramids represent energy transfer

Learning Objectives

• Understand the historical development of the cell theory.
• Identify the basic structures of a cell.
• Explain the importance of cells as the building blocks of all living organisms.

Learning Objectives

• Explain how technological change affects communication, transportation, and production in communities
• Identify causes and consequences of innovation, investment, and labor changes on occupational structures
• Compare continuity and change by describing persistent skills and new industrial practices across time+ Show more

Learning Objectives

• Understand the concept of kinetic energy and how it relates to an object's speed and mass.
• Identify the different forms of energy and their characteristics.
• Interpret data and graphs showing the relationship between motion, position, and energy.+ Show more

Learning Objectives

• Understand the relationship between fluid velocity and pressure as described by Bernoulli's principle.
• Explain how Bernoulli's principle applies to lift in airfoils and flow in constricted pipes.
• Derive and interpret the energy conservation relation for incompressible flow.+ Show more