Grade 7 Science Worksheets

Learning Objectives

• Explain how physical properties (such as color, density, melting point, boiling point, magnetism, conductivity, and solubility) help describe substances.
• Use observed physical behavior to distinguish between substances or identify likely components of mixtures.
• Apply physical-property reasoning to suggest how mixtures can be separated.

Learning Objectives

• Understand the concept of corrosion in steel and its effects over time.
• Identify various environmental factors that contribute to material degradation.
• Learn protective measures used to enhance material durability.+ Show more

Learning Objectives

• Understand how temperature variations affect ecosystems
• Recognize the relationship between environmental factors and organisms
• Analyze examples of ecological responses to temperature changes+ Show more

Learning Objectives

• Explain why evolutionary change happens at the population level rather than the individual level.
• Describe how heritable variation can lead to certain traits becoming more common over generations.
• Use evidence and examples to connect evolutionary change to changing environments.

Learning Objectives

• Distinguish weather from climate and explain how climate is influenced by long-term drivers.
• Describe how solar energy, atmospheric circulation, and the distribution of water shape regional climate.
• Explain how ocean processes affect heat storage and heat release and how that can shift precipitation patterns over time.

Learning Objectives

• Understand how heat conduction occurs within solids and across interfaces.
• Identify materials with high and low thermal conductivity and their applications.
• Explain how conductivity coefficients and contact resistance influence temperature gradients.+ Show more

Learning Objectives

• Understand structural and physiological adaptations that enable survival in cold environments.
• Identify specific traits of boreal plants and animals that confer cold tolerance.
• Analyze how these adaptations help species survive harsh winter conditions.

Learning Objectives

• Explain how living organisms function as interconnected systems with specialized structures
• Describe how body systems process inputs (food, oxygen, water) into forms cells can use
• Use cause-and-effect reasoning to connect structure function to organism survival+ Show more

Learning Objectives

• Understand the processes that form different types of rocks within the rock cycle
• Identify the main stages of sedimentary stratigraphy
• Explain how fossils serve as evidence of Earth's history+ Show more

Learning Objectives

• Identify observable evidence that a chemical reaction has occurred, including gas evolution, precipitate formation, color change, and temperature change
• Explain how qualitative observations connect to reactant-to-product changes described by symbolic formulas
• Use particle- and energy-based reasoning to interpret reaction evidence during common classroom reactions

Learning Objectives

• Explain how cells regulate water balance through transport mechanisms.
• Identify cellular components involved in homeostasis.
• Describe the importance of membrane pumps, transport proteins, and hormone signaling in maintaining internal stability.

Learning Objectives

• Explain how to interpret patterns and relationships in scientific graphs such as scatter plots, histograms, and line graphs
• Use summary measures (range and averages) while also considering variability and outliers
• Evaluate the strength of evidence for a scientific claim, including uncertainty and random variation

Learning Objectives

• Explain how iterative refinement and quantitative comparison improve structural designs while balancing weight, cost, and performance.
• Distinguish topology optimization from form optimization and describe how performance-based criteria guide design choices.
• Describe how life-cycle assessment, constructability constraints, and building codes with safety margins affect feasible optimization results.

Learning Objectives

• Distinguish balanced and unbalanced forces by reasoning about net force and motion.
• Explain how net force affects changes in velocity (speed and/or direction).
• Use a tug-of-war scenario to predict whether an object’s motion stays the same or changes.

Learning Objectives

• Understand the signs that indicate a chemical change has occurred.
• Identify observable evidence such as gas formation, color change, and temperature change.
• Explain why multiple indicators together provide stronger evidence of a chemical change.+ Show more

Learning Objectives

• Identify the components of the cell membrane.
• Understand the functions of phospholipids, proteins, cholesterol, and carbohydrates in the membrane.
• Explain how the fluid mosaic model maintains cellular homeostasis.

Learning Objectives

• Explain how the rock cycle shows that rocks can change types through natural geologic processes
• Describe how igneous, sedimentary, and metamorphic rocks form and how those pathways connect surface and subsurface environments
• Use evidence and key terms (weathering, compaction, cementation, heat, pressure) to compare rock-formation processes

Learning Objectives

• Understand the concept of the particle model as a representation of matter.
• Explain how chemical reactions involve the breaking and forming of bonds between particles.
• Describe why mass remains constant during chemical changes in a closed system.+ Show more

Learning Objectives

• Distinguish between homogeneous and heterogeneous mixtures.
• Describe various separation techniques such as filtration, distillation, chromatography, and magnetic separation.
• Explain how differences in solubility, particle size, and boiling point inform selection of separation methods.+ Show more

Learning Objectives

• Describe Earth’s main internal layers (crust, mantle, outer core, inner core) and how their properties differ
• Explain how seismic wave behavior provides evidence for internal structure and state of matter
• Connect heat transport, mantle convection, and density/ buoyancy contrasts to plate motion+ Show more

Learning Objectives

• Explain how gravity, electric, and magnetic forces can act over a distance without direct contact.
• Describe how mass and distance qualitatively affect gravitational attraction.
• Identify examples of attractive and repulsive electromagnetic interactions using everyday situations.

Learning Objectives

• Explain how engineering design thinking starts with defining a problem and writing clear specifications.
• Use criteria and constraints to evaluate ideas with measurable performance indicators and trade-off reasoning.
• Describe how feasibility criteria consider materials, cost, and environmental impacts during ideation and selection.

Learning Objectives

• Explain how abiotic factors (sunlight, soil, water, temperature, topography) affect ecosystem structure and function.
• Describe cause-and-effect relationships between abiotic conditions and biotic outcomes (plant growth, shelter, survival).
• Compare how ecosystems can change across environmental gradients in Alberta (prairie, parkland, mountain valleys).

Learning Objectives

• Describe the main phases shown on a heating curve for a substance.
• Explain why temperature can stay constant during melting and boiling.
• Interpret heating curve data using particle motion and particle interactions.

Learning Objectives

• Understand how solar energy influences seasonal changes
• Identify the factors that affect seasonal temperature variations
• Explain the concepts of albedo, latent heat, and energy fluxes in seasonal cycles+ Show more

Learning Objectives

• Understand the conventions used in technical drawings and schematics.
• Identify and interpret standardized symbols, units, and labels in technical documentation.
• Explain the importance of clarity, scale, and tolerances in technical communication.+ Show more

Learning Objectives

• Understand how heat and energy transfer are measured and expressed mathematically.
• Learn about specific heat capacity, mass, and temperature change in energy calculations.
• Interpret practical examples of thermal energy transfer, such as heating water, melting snow, and warming air.+ Show more

Learning Objectives

• Explain how inherited differences and recombination create variation within a population
• Describe how trait frequency can change across generations under environmental pressures
• Analyze data or statements to distinguish between heritable variation and non-heritable influences+ Show more

Learning Objectives

• Explain how changes in climate and habitat conditions can affect ecosystem survival and reproduction
• Describe how changes in water quality and pollution can alter growth, mortality, and population size
• Analyze how shifts in key species can change predation, competition, and symbiosis within an ecosystem

Learning Objectives

• Explain how mantle convection, slab pull, and ridge push can create plate motion.
• Describe how these plate mechanisms can differ in strength across Earth’s surface.
• Use cause-and-effect reasoning to predict how changes in forces can affect plate velocity and direction.

Learning Objectives

• Explain how common structural failure modes (buckling, fatigue, shear/bending fracture, and connection/foundation failure) relate to geometry, material, and loading.
• Describe the limit states design philosophy and how safety factors reduce the risk of structural failure.
• Use redundancy and proper detailing to reduce the chance of progressive collapse.

Learning Objectives

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

Learning Objectives

• Explain density using the particle view of matter (mass and how particles are spaced).
• Predict how sinking, floating, and heating relate to changes in volume and average particle spacing.
• Use evidence from particle spacing to compare the densities of different substances.

Learning Objectives

• Distinguish between ionic and covalent bonding based on observed properties.
• Relate bonding types to macroscopic properties such as melting point, solubility, and electrical conductivity.
• Describe the formation of binary ionic salts and molecular compounds using empirical formulas.+ Show more

Learning Objectives

• Understand the basic parts of a truss
• Identify how loads are distributed in a truss
• Recognize the significance of triangle shapes in structural stability+ Show more

Learning Objectives

• Understand the different levels of ecological organization from individual to ecosystem.
• Identify examples of each level within Alberta ecosystems.
• Explain how patterns emerge at higher levels that are not evident at lower levels.+ Show more

Learning Objectives

• Understand and describe various chemical properties of substances.
• Identify observable indicators of chemical reactions.
• Differentiate between physical and chemical changes based on properties.+ Show more

Learning Objectives

• Identify the three principal tectonic plate boundary types: divergent, convergent, and transform.
• Describe the characteristic landforms and geologic processes produced by each boundary type.
• Explain how plate motion along boundaries relates to earthquakes, volcanic activity, and mountain building.

Learning Objectives

• Explain how insulating materials reduce heat transfer by limiting conduction, convection, and radiation
• Compare common insulators (fiberglass, foam, reflective foils) based on practical thickness and thermal resistance
• Describe how air leakage and thermal bridging increase heat loss in building envelopes+ Show more

Learning Objectives

• Explain how environmental impacts can be connected to design constraints in real-world situations
• Identify potential trade-offs between performance, durability, and harm to people or ecosystems
• Use scientific reasoning to distinguish technically feasible solutions from environmentally responsible ones+ Show more

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific environments
• Describe how selective pressures such as temperature, moisture, predation, and resource availability influence adaptation
• Identify adaptive trade-offs and how they affect what traits are most useful in different habitats+ Show more

Learning Objectives

• Understand how to read and interpret line graphs
• Identify patterns and trends in scientific data
• Evaluate the significance of outliers and measurement uncertainty+ Show more

Learning Objectives

• Analyze evidence for climate change drivers, including greenhouse gas concentrations, land-use change, and natural variability.
• Explain how climate variables such as temperature and precipitation influence sea level, agriculture, and coastal communities.
• Use data-based reasoning to describe interactions within the climate system, including carbon-cycle exchanges and natural feedbacks.+ Show more

Learning Objectives

• Understand what groundwater is and how it is stored beneath Earth's surface.
• Learn the process of groundwater recharge and movement.
• Recognize the importance of groundwater for Earth's water cycle and human use.+ Show more

Learning Objectives

• Identify observable indicators of chemical change, such as gas formation, persistent color change, temperature change, and precipitate formation
• Explain why multiple indicators together provide stronger evidence for chemical change than a single sign
• Use simple measurements alongside observations to support claims about whether a chemical change occurred

Learning Objectives

• Evaluate scientific explanations by checking assumptions, logical reasoning, and the quality of evidence.
• Distinguish correlation from causation and judge how strong evidence is for a claim.
• Identify limitations of data, models, and methods, including possible alternative hypotheses.

Learning Objectives

• Explain how thermal energy moves from warmer objects to cooler ones using models of heat transfer
• Differentiate conduction, convection, and radiation as three ways heat can travel
• Use temperature differences to predict the direction of heat transfer in everyday situations+ Show more

Learning Objectives

• Explain how biodiversity helps ecosystems stay stable after disturbances.
• Describe how overlapping species roles can buffer the impacts of species declines.
• Identify examples of disturbances that reduce biodiversity and increase ecosystem vulnerability.