Grade 6 Science Worksheets

Learning Objectives

• Describe the main organs involved in the digestion process.
• Explain how enzymes and acids help break down food into absorbable nutrients.
• Identify how nutrients cross into blood or lymph for distribution.+ Show more

Learning Objectives

• Understand factors that influence population change such as birth, death, immigration, and emigration.
• Identify different growth models like exponential and logistic growth.
• Describe factors affecting population density, including density-dependent and density-independent factors.+ Show more

Learning Objectives

• Understand the structure and components of a food web.
• Identify how energy flows through ecosystems via food webs.
• Describe the impact of species removal on ecosystem stability.+ Show more

Learning Objectives

• Understand how scientific investigation drives technological development.
• Identify tools and instruments used in scientific observation and measurement.
• Explain the reciprocal relationship between science and technology, including cause-and-effect.+ Show more

Learning Objectives

• Understand how variation in heritable traits influences survival and reproduction.
• Identify examples of natural selection affecting populations.
• Explain the linkage between trait advantage and population-level genetic changes.+ Show more

Learning Objectives

• Explain how feedback mechanisms regulate internal stability in the human body.
• Differentiate between negative and positive feedback processes with examples.
• Describe how disruption in feedback control systems can affect organ function and homeostasis.+ Show more

Learning Objectives

• Identify different types of natural resources and understand their origins and distributions.
• Analyze the environmental and economic implications of renewable and nonrenewable resources.
• Evaluate sustainable resource use principles and trade-offs involved in resource development.+ Show more

Learning Objectives

• Identify different types of disturbance regimes that affect forests
• Explain how disturbance characteristics influence forest regeneration and landscape patterns
• Describe specific disturbance events such as fire and insect outbreaks in forest ecology+ Show more

Learning Objectives

• Understand how spatial and temporal data reveal biodiversity patterns across ecosystems.
• Identify factors influencing species diversity and endemism.
• Analyze ecological and historical factors affecting community composition.+ Show more

Learning Objectives

• Identify the different structures of leaves and their functions in gas exchange, photosynthesis, and transpiration.
• Compare leaf adaptations between needlelike conifers and broadleaf deciduous trees.
• Explain how seasonal changes affect leaf retention and leaf drop in Alberta's tree species.+ Show more

Learning Objectives

• Describe how photovoltaic cells, wind turbines, and hydro systems convert environmental sources into electrical energy.
• Explain the energy losses involved at each stage of renewable energy transformations.
• Analyze how storage and conversion choices impact net usable energy in renewable systems.+ Show more

Learning Objectives

• Understand the role of decomposers in breaking down organic matter and returning nutrients to the environment.
• Identify environmental factors that affect decomposer efficiency.
• Explain how decomposer activity influences soil health, nutrient cycling, and ecosystem balance.+ Show more

Learning Objectives

• Understand internal processes that enable animals to survive in extreme environments.
• Identify examples of physiological adaptations such as heat exchange, urine concentration, and metabolic regulation.
• Explain how hormonal mechanisms help regulate body temperature, hydration, and energy during challenging conditions.+ Show more

Learning Objectives

• Identify different types of adaptations such as morphological, physiological, and behavioral.
• Understand how adaptations help organisms survive in specific environments.
• Explain examples of traits like succulent stems, leaf modifications, fur insulation, and beak variation.+ Show more

Learning Objectives

• Identify different human activities that impact natural ecosystems.
• Explain effects of habitat fragmentation, pollution, and resource extraction.
• Recognize mitigation strategies such as conservation and restoration.+ Show more

Learning Objectives

• Identify the key molecular building blocks such as amino acids, nucleotides, fatty acids, and monosaccharides.
• Explain how monomers assemble into polymers through condensation reactions.
• Describe the roles of macromolecules—proteins, nucleic acids, lipids, and carbohydrates—in biological structure and function.+ Show more

Learning Objectives

• Understand the difference between mixtures and solutions.
• Identify methods used to separate components of mixtures.
• Explain characteristics of homogeneous and heterogeneous mixtures.+ Show more

Learning Objectives

• Understand how human activities affect ecosystems and biodiversity.
• Identify specific impacts of land clearing, pollution, resource extraction, and invasive species.
• Explain consequences of ecosystem alterations such as habitat loss and nutrient cycle disruption.+ Show more

Learning Objectives

• Describe the basic functions of the nervous system in collecting and processing information.
• Identify the roles of neurons, synapses, and integration centers in nervous system function.
• Explain how the nervous system coordinates responses with muscles and glands.+ Show more

Learning Objectives

• Understand how changes in temperature, humidity, and altitude affect air density.
• Explain the relationship between air density and aerodynamic lift.
• Analyze how local atmospheric conditions influence flight performance in different environments.

Learning Objectives

• Describe patterns on graphs using precise quantitative language (increasing, decreasing, plateau, scatter, or curved change).
• Interpret relationships between variables by comparing graph shapes and trend directions.
• Use evidence from a graph to make predictions or justify conclusions about patterns.

Learning Objectives

• Understand how voltage, current, and resistance are related through proportional relationships.
• Apply simple calculations to determine circuit element characteristics using measured values.
• Explain how changes in resistance affect current in a circuit with a fixed voltage.+ Show more

Learning Objectives

• Explain that weather describes short-term atmospheric conditions using elements such as temperature, precipitation, wind, cloud cover, and humidity.
• Describe how measuring multiple weather elements helps scientists and meteorologists build an up-to-date picture of regional conditions.
• Recognize that weather elements can change quickly, which can cause forecasts to be updated as new observations arrive.

Learning Objectives

• Explain how changes in sea surface temperatures in the tropical Pacific can affect evaporation, cloud formation, and wind circulation
• Describe how El Niño and La Niña can shift rainfall and temperature patterns in distant regions
• Use evidence-based observations (precipitation, wind, and temperature trends) to connect ocean changes to broader climate impacts

Learning Objectives

• Identify the four Earth systems (atmosphere, hydrosphere, geosphere, and biosphere) and describe how they interact.
• Explain how energy flow (heating and cooling) and matter movement (water, sediments) connect Earth systems.
• Use examples to predict how a change in one sphere can affect other spheres over time.

Learning Objectives

• Understand the different biological levels from cells to organisms.
• Identify how cells combine into tissues and organs, and how organ systems support life.
• Recognize how disruptions at one level affect the entire organism.+ Show more

Learning Objectives

• Explain how the angle of incoming solar energy affects temperature differences on Earth
• Describe how unequal heating drives changes in air movement and ocean circulation
• Connect energy transfers in the atmosphere and oceans to daily weather and seasonal climate patterns

Learning Objectives

• Explain how physiological adaptations help organisms survive in specific environments
• Identify examples of physiological traits related to water balance, metabolism, and ion/oxygen regulation
• Use evidence from statements or scenarios to classify traits as physiological adaptations

Learning Objectives

• Explain how prototype evaluation uses data, observations, and constraints to judge a design.
• Identify measurements and failure observations that can be used as evidence for improvement.
• Use evaluation criteria to compare a prototype’s performance and determine whether it meets limits.

Learning Objectives

• Understand the difference between mixtures and solutions.
• Identify the components of different types of mixtures.
• Explain methods used to separate mixture components based on their properties.+ Show more

Learning Objectives

• Explain how inherited adaptations help organisms survive and reproduce in specific environments
• Identify examples of adaptations that improve feeding, protection, or tolerance to temperature and moisture
• Describe how environmental pressures (living and nonliving factors) increase the usefulness of certain traits

Learning Objectives

• Explain what a niche is and how it differs from an organism’s habitat
• Describe how two species can coexist through niche differences and reduced niche overlap
• Use examples to predict how competition changes when resources become limited

Learning Objectives

• Understand the structure and function of organs in the human body.
• Identify different tissue types and their roles within organs.
• Describe how tissues interact within organs to perform specific functions.+ Show more

Learning Objectives

• Describe the internal layers of the Earth and their characteristics.
• Identify different types of plate boundaries and their associated geological features.
• Explain how tectonic processes such as mantle convection and crustal deformation drive geological phenomena.+ Show more

Learning Objectives

• Explain how environmental changes (temperature, drought, and food availability) affect which traits help organisms survive.
• Describe how differences in traits can change survival and reproduction within a population over time.
• Connect adaptation to ecosystem change by identifying how shifts in resources can alter which organisms remain.

Learning Objectives

• Explain how scientific knowledge can change when new evidence conflicts with earlier ideas
• Differentiate scientific theories and scientific laws
• Describe how communication, peer evaluation, and reproducibility strengthen scientific evidence+ Show more

Learning Objectives

• Understand principles of effective team-based organization and communication.
• Identify standards for documentation and contribution attribution.
• Explain the importance of peer review and report standardization in collaborative science.+ Show more

Learning Objectives

• Explain how photosynthesis provides energy and chemical building materials for plant growth
• Describe how plants store chemical energy (such as in starch) and use it later
• Connect stored energy to growth, repair, and reproduction when light is limited+ Show more

Learning Objectives

• Explain how precipitation returns water to Earth’s surface and identify different types of precipitation
• Describe infiltration and how it contributes to soil moisture and groundwater recharge
• Compare infiltration and runoff using factors such as gravity, landscape, soil type, and vegetation+ Show more

Learning Objectives

• Explain how food molecules provide both stored energy and chemical building materials for the body
• Describe how digestion breaks large food molecules into smaller molecules that can be absorbed
• Connect different kinds of food molecules to specific needs in cells (structure, growth, quick energy)+ Show more

Learning Objectives

• Compare properties of substances before and after an interaction to identify likely physical or chemical changes
• Use evidence (gas release, solid formation, new color, new matter) to support conclusions about whether new substances formed
• Distinguish between changes that can be reversed or separated and changes that produce new materials with different properties

Learning Objectives

• Describe electric current as an organized movement of charges through a conductor.
• Distinguish between conventional current direction and electron flow.
• Explain potential difference as the driving force behind current.+ Show more

Learning Objectives

• Identify the roles of common circuit components such as power sources, resistive loads, switches, and connectors.
• Explain how each component influences the behavior of electrical circuits.
• Interpret schematic symbols associated with circuit components.+ Show more

Learning Objectives

• Understand the primary and secondary control surfaces and their roles in aircraft maneuvering.
• Explain how deflections of ailerons, elevators, rudders, and flaps affect roll, pitch, and yaw.
• Describe the concepts of control authority and aerodynamic stability as related to control surfaces.+ Show more

Learning Objectives

• Understand the Moon's orbit around Earth and how it causes lunar phases.
• Describe the relationships between the Sun, Earth, and Moon observed from different locations.
• Explain the observable patterns in the night sky related to lunar motion.+ Show more

Learning Objectives

• Define and distinguish between independent, dependent, and controlled variables.
• Explain the importance of operational definitions and measurement consistency in experiments.
• Apply contextual examples, such as river flow rate, to understand variable relationships.+ Show more

Learning Objectives

• Understand the concepts of series circuits, including single-path configuration and current flow.
• Explain how voltage divides among components in a series circuit.
• Describe how resistance affects brightness in incandescent bulbs connected in series.+ Show more