Grade 8 Science Worksheets

Learning Objectives

• Explain the main stages of the cell cycle, including interphase, mitosis, and cytokinesis
• Describe how DNA replication and chromosome segregation support accurate cell division
• Summarize the roles of cyclins, kinases, and checkpoint mechanisms in preventing genomic instability

Learning Objectives

• Describe the key components of membrane architecture including phospholipids, proteins, cholesterol, and carbohydrates.
• Explain the functions of membrane proteins in transport, signaling, and structural support.
• Compare structural variations of membranes in different cell types and their impact on permeability and environmental interactions.+ Show more

Learning Objectives

• Identify the four major tissue types (epithelial, connective, muscle, nervous) and describe key structural features.
• Explain how cellular structures and extracellular materials (or junctions) support tissue function.
• Connect tissue-level organization to organ-level functions such as transport, movement, signal transmission, and support.

Learning Objectives

• Understand key biotechnological approaches such as cell culture and tissue engineering.
• Identify the roles of molecular markers, scaffold interactions, and differentiation in tissue development.
• Recognize ethical, safety, and regulatory considerations in cellular manipulation.+ Show more

Learning Objectives

• Understand how particle-level models depict atoms and bonds during chemical reactions.
• Identify the role of particle diagrams in illustrating molecular rearrangements.
• Explain how atomic identity and mass are preserved during reactions through particle models.+ Show more

Learning Objectives

• Describe the key components of the solar system including planets, moons, asteroids, and comets.
• Understand the relative scale and composition of different solar system objects.
• Explain orbital characteristics and gravitational interactions within the solar system.+ Show more

Learning Objectives

• Explain how changes in an object's kinetic energy relate to energy transfer within a system.
• Describe different types of collisions and how energy is conserved or transformed during each.
• Identify sources of energy loss such as frictional heat and analyze their effects.+ Show more

Learning Objectives

• Describe the basic composition of an atom, including protons, neutrons, and electrons.
• Explain how elements and compounds are formed and represented with formulas.
• Understand the organization of elements in the periodic table and basic atomic models.+ Show more

Learning Objectives

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

Learning Objectives

• Distinguish between observations, evidence, claims, and assumptions in science questions.
• Write and evaluate testable questions that lead to measurable or observable outcomes.
• Use relationships supported by data to strengthen or weaken scientific explanations.+ Show more

Learning Objectives

• Understand the basic functions of common simple machines such as levers, pulleys, inclined planes, wheels and axles, wedges, and screws.
• Explain how simple machines modify the force and distance in performing work.
• Identify everyday examples of simple machines and their configurations.+ Show more

Learning Objectives

• Identify the parts of a neuron and their functions
• Understand how neurons transmit signals rapidly
• Explain the role of myelination and synapses in neural signaling+ Show more

Learning Objectives

• Explain how scientific inquiry uses observations and testable questions to form evidence-based explanations.
• Identify appropriate methods, careful data recording, and patterns in results as part of inquiry.
• Distinguish evidence-based conclusions from opinions by comparing results to existing knowledge.

Learning Objectives

• Understand the key drivers influencing global temperature changes over time.
• Evaluate evidence from ice-core, instrumental, and model data to attribute climate change causes.
• Distinguish between natural and anthropogenic influences on climate variability.+ Show more

Learning Objectives

• Understand the relationship between air mass motions and weather changes.
• Identify how surface pressure maps, temperature gradients, radiosonde profiles, and Doppler radar contribute to weather analysis.
• Explain concepts of frontogenesis, cyclogenesis, and air mass interactions.+ Show more

Learning Objectives

• Develop skills in evaluating scientific claims and evidence.
• Identify logical fallacies and distinguish correlation from causation.
• Assess the credibility of sources and interpret data accurately.+ Show more

Learning Objectives

• Explain how habitat fragmentation from land use can change resources, edges, and species survival.
• Describe how land use can alter hydrology, soil conditions, and connectivity in an ecosystem.
• Use cause-and-effect reasoning to predict how fragmentation can isolate populations and affect biodiversity.

Learning Objectives

• Understand the basic components that make up an ecosystem model.
• Learn to identify biotic and abiotic factors in ecological diagrams.
• Recognize boundaries and scales used when constructing ecosystem models.+ Show more

Learning Objectives

• Understand how to identify chemical changes through observable indicators
• Differentiate between chemical and physical processes using qualitative and quantitative data
• Link macroscopic evidence to microscopic particle rearrangements+ Show more

Learning Objectives

• Describe the major functions of circulatory, respiratory, and digestive systems.
• Explain how tissues organize into organs to perform physiological roles.
• Identify how cellular arrangements within organs impact system efficiency.+ Show more

Learning Objectives

• Explain how temperature, concentration, and surface area affect reaction rates at the particle level.
• Describe how catalysts change reaction pathways by lowering activation energy.
• Use particle-collision reasoning to predict how changing conditions alters reaction speed.

Learning Objectives

• Explain the roles of innate and adaptive immune mechanisms in tissue defence.
• Identify cellular players involved in immune response such as macrophages, neutrophils, lymphocytes, and antigen-presenting cells.
• Describe processes like phagocytosis, antibody production, and cell-mediated cytotoxicity.+ Show more

Learning Objectives

• Identify and describe the four major tissue types: epithelial, connective, muscle, and nervous tissues.
• Compare the structure and functions of different tissue types.
• Explain how cellular organization and extracellular components influence tissue properties.+ Show more

Learning Objectives

• Understand different types of models used in science including physical, computational, and scaled models.
• Recognize the purpose of models in generating quantitative data and analyzing potential solutions.
• Identify limitations of models and factors like measurement uncertainty and model accuracy.+ Show more

Learning Objectives

• Analyze factors that influence population size and distribution, including resources, competition, and predation.
• Interpret population growth patterns and oscillations using graphs and data.
• Understand the impact of invasive species and community recovery following disturbances.+ Show more

Learning Objectives

• Understand the key factors influencing population size and distribution
• Interpret population growth graphs and oscillations
• Analyze case studies of invasive species impacts and recovery after disturbances+ Show more

Learning Objectives

• Understand the basic concepts of dominant and recessive alleles
• Learn how Punnett squares predict inheritance patterns
• Identify observable traits resulting from allele combinations+ Show more

Learning Objectives

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

Learning Objectives

• Understand basic concepts of energy transfer in mechanical systems
• Identify how energy flows through gears, pulleys, and hydraulic components
• Recognize points of energy conversion and quantify losses+ Show more

Learning Objectives

• Identify how grounding and insulation reduce shock risk in electrical systems
• Explain how protective design and proper material choice lower fire and equipment damage hazards
• Apply safety concepts to everyday scenarios involving electrical devices

Learning Objectives

• Understand the concept of constant speed and its representation on graphs.
• Learn how to calculate average and instantaneous speed in different motion scenarios.
• Interpret distance-time graphs to identify constant speed and acceleration.+ Show more

Learning Objectives

• Understand how forces act on slopes and analyze their components
• Learn to resolve gravity into perpendicular and parallel components on an incline
• Evaluate how slope steepness affects the unbalanced force and resulting acceleration+ Show more

Learning Objectives

• Understand how particle motion, temperature, and energy transfer influence states of matter.
• Describe phase changes such as melting, boiling, and condensation from a microscopic perspective.
• Relate macroscopic temperature and heat flow to microscopic particle behavior.+ Show more

Learning Objectives

• Understand and interpret data related to natural hazards such as earthquakes, volcanoes, tsunamis.
• Assess recurrence intervals, spatial distribution, and potential impacts of natural events.
• Evaluate the role of monitoring technologies and modeling in hazard prediction and risk reduction.+ Show more

Learning Objectives

• Identify the main parts of a cell and explain their functions.
• Differentiate between prokaryotic and eukaryotic cells.
• Compare single-celled and multicellular organisms.+ Show more

Learning Objectives

• Understand the key biotechnological methods such as cell culture, stem cell differentiation, and tissue engineering.
• Identify molecular markers and scaffold interactions used in tissue development.
• Discuss ethical, safety, and regulatory considerations in cellular manipulation.+ Show more

Learning Objectives

• Define electric current and resistance
• Explain how material properties affect resistance
• Describe the relationship between voltage, current, and resistance

Learning Objectives

• Define electric current and resistance
• Explain factors affecting resistance in materials
• Describe the relationship between voltage, current, and resistance in circuits+ Show more

Learning Objectives

• Describe the origins and properties of magnetic fields from materials and moving charges.
• Identify the visual representation of magnetic field lines and interpret their significance.
• Explain the concept of ferromagnetic materials and how they concentrate magnetic effects.+ Show more

Learning Objectives

• Understand the components and functions of electric power grids.
• Identify regional characteristics influencing energy generation.
• Explain grid operations including conversion and voltage management.+ Show more

Learning Objectives

• Understand the concept of electric potential difference and its measurement units.
• Identify different sources of voltage and how they affect current flow in circuits.
• Compare household voltages and renewable energy outputs relevant to Alberta.+ Show more

Learning Objectives

• Understand the principles of how electric motors convert electrical energy into mechanical motion.
• Explain how generators produce electrical energy from mechanical motion.
• Identify design parameters that influence the efficiency and power output of motors and generators.+ Show more

Learning Objectives

• Identify the main components of a simple electric circuit.
• Explain the functions of sources, conductors, loads, and control elements.
• Recognize schematic symbols for common circuit components.+ Show more

Learning Objectives

• Explain the principle of electromagnetic induction and how changing magnetic flux induces current.
• Identify applications of electromagnetic induction in power generation and renewable energy.
• Describe the factors affecting the magnitude of induced electromotive force in coils.+ Show more

Learning Objectives

• Understand how electrical energy is transferred and transformed into thermal, radiant, and mechanical energy.
• Identify examples of energy conversions in domestic and industrial systems.
• Explain the concepts of power and efficiency in energy systems.+ Show more

Learning Objectives

• Understand the concept of power as energy transfer per unit time.
• Identify factors affecting the efficiency of electrical devices.
• Analyze mechanisms of power loss such as resistive heating and transmission dissipation.+ Show more

Learning Objectives

• Explain the concept of electric current as the rate of charge flow in materials.
• Describe how resistance affects the flow of current in an electrical circuit.
• Identify factors such as material properties, temperature, and geometry that influence resistance.+ Show more

Learning Objectives

• Identify key safety considerations in electrical system design and operation.
• Understand environmental impacts related to energy sourcing and infrastructure.
• Recognize protective devices and proper component specifications to mitigate hazards.+ Show more