Grade 7 Science Worksheets

Learning Objectives

• Understand how physical and chemical properties can be used to predict chemical reactions.
• Identify properties such as reactivity with oxygen, acidity, flammability, and solubility.
• Learn to anticipate products and energy changes based on known property trends.+ Show more

Learning Objectives

• Understand the systematic approaches involved in ecological inquiry.
• Identify methods to collect and interpret ecological data.
• Recognize local examples of ecological relationships and human impacts.+ Show more

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional environmental drivers affecting populations such as water availability, fire regimes, and disease outbreaks.
• Analyze how these factors cause fluctuations, extinctions, or expansions of populations.+ Show more

Learning Objectives

• Describe the hydrological, chemical, and biological functions of wetlands.
• Explain the role of wetlands in nutrient cycling, habitat provision, and sediment filtration.
• Identify examples of Alberta wetlands such as peatlands and marsh complexes.+ Show more

Learning Objectives

• Understand the concepts of span, support conditions, load types, and their effects on beam stability.
• Relate beam performance criteria to real-world examples such as highway overpass girders and building floor joists.
• Analyze the influence of span-to-depth ratios, material stiffness, and service loads on beam deflection and safety.+ Show more

Learning Objectives

• Understand how inclined planes distribute work and force components.
• Calculate and interpret mechanical advantage in inclined planes.
• Explore practical applications of inclined planes in Alberta contexts.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in extracting and separating bitumen from oil sands.
• Identify the differences between physical separation techniques and chemical treatments in mixture processing.
• Explain the role of density, temperature, and additives in the separation of bitumen.+ Show more

Learning Objectives

• Describe categories of abiotic drivers such as temperature, light, soil, moisture, and pH.
• Explain how abiotic factors create environmental templates for communities.
• Discuss how abiotic variability influences resource distribution and species occurrence.+ Show more

Learning Objectives

• Understand the steps involved in the design process from defining requirements to selecting solutions.
• Identify key performance objectives such as load capacity, stiffness, and serviceability.
• Learn to use decision matrices and sketches to compare design alternatives.+ Show more

Learning Objectives

• Define key material properties such as density, strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence the performance of structural materials in construction.
• Compare common materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure modes.+ Show more

Learning Objectives

• Understand the principles of convective heat transfer in fluids.
• Identify the roles of buoyancy and density variations in convection.
• Relate convection mechanisms to environmental phenomena such as sea breezes, thermals, and lake overturning.+ Show more

Learning Objectives

• Understand the concept of urban heat island phenomena and its causes.
• Identify surface materials and urban features that contribute to heat retention.
• Analyze mitigation strategies like urban greenery, cool pavements, and shading.+ Show more

Learning Objectives

• Understand the principles of mechanical separation techniques such as filtration and sedimentation.
• Identify factors affecting filtration efficiency, including pore size and flow behaviour.
• Explore applications of filtration in separating heterogeneous mixtures like suspensions and precipitates.+ Show more

Learning Objectives

• Identify and distinguish between physical and chemical properties of materials.
• Analyze property data such as density, melting point, solubility, electrical conductivity, reactivity, and flammability.
• Use measurable attributes to classify materials and predict their responses to temperature and chemical contact.+ Show more

Learning Objectives

• Describe various atomic models and their representations.
• Explain the relationship between subatomic particles and atomic structure.
• Differentiate between molecular and extended network structures and their properties.+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical reaction has taken place.
• Understand examples of chemical reactions such as rusting, combustion, and neutralization.
• Explain the relationship between observable reaction indicators and changes in composition.+ Show more

Learning Objectives

• Describe the difference between homogeneous and heterogeneous mixtures.
• Identify common examples of solutions, colloids, and suspensions.
• Explain the concepts of solubility, saturation, and concentration in mixtures.+ Show more

Learning Objectives

• Describe the key mechanisms that lead to speciation and increase biodiversity.
• Explain examples of speciation such as allopatric divergence, polyploidy, and adaptive radiation.
• Analyze how biogeographic patterns influence the formation of new species.+ Show more

Learning Objectives

• Describe production pathways from natural resources to common synthetic materials, including feedstocks, polymerization, and refining steps.
• Identify examples of synthetic materials such as polyethylene, PET, nylon, and metals derived from ores.
• Analyze trade-offs involved in material choices, including durability, recyclability, and environmental impacts.+ Show more

Learning Objectives

• Understand and describe the concept of stoichiometry and its role in chemical reactions.
• Use balanced chemical equations to determine mole ratios and relate quantities of reactants and products.
• Apply conservation principles to calculate the amounts of substances needed or produced in a reaction.+ Show more

Learning Objectives

• Understand management strategies used to maintain biodiversity and ecosystem services.
• Evaluate the benefits and trade-offs of habitat corridors, protected areas, and restoration efforts.
• Analyze case examples of wetland restoration and corridor establishment for ecological and social outcomes.+ Show more

Learning Objectives

• Describe different types of representations used to convey matter interactions, including chemical equations, graphs, and data tables.
• Interpret and analyze various representations to understand reaction rates, stoichiometric ratios, and phase changes.
• Select appropriate representations to compare measurements and communicate relationships among variables.

Learning Objectives

• Understand how mathematical representations quantify trait frequencies and population dynamics.
• Analyze simple models of allele frequency change and their implications for evolution.
• Interpret graphical displays of fitness differentials and apply Hardy-Weinberg concepts quantitatively.+ Show more

Learning Objectives

• Understand the principles of momentum conservation during collisions.
• Differentiate between elastic and inelastic collisions based on the transfer of energy.
• Apply quantitative concepts of momentum to real-world collision scenarios.+ Show more

Learning Objectives

• Understand the causes and factors that lead to technological inventions and innovations.
• Identify historical examples of inventions and analyze their diffusion and modification over time.
• Distinguish between invention and innovation using real-world examples.+ Show more

Learning Objectives

• Understand the principles of structural optimization and their application in engineering design
• Identify different optimization techniques including topology and form optimization
• Analyze factors influencing optimal design solutions such as cost, strength, and safety margins+ Show more

Learning Objectives

• Explain the difference between temperature and heat using particle motion and energy transfer
• Describe how thermal energy transfers through conduction, convection, and radiation
• Apply thermal concepts to real-world situations in cold and varied climates

Learning Objectives

• Explain what tradeoffs are in engineering design and why improving one feature can worsen another.
• Use criteria and constraints to map tradeoffs among design options.
• Compare options by judging whether changes meet safety, efficiency, and feasibility limits.+ Show more

Learning Objectives

• Identify the independent variable, dependent variable, and controlled variables in a scientific investigation.
• Use tables and graphs to explain how the dependent variable changes in response to the independent variable.
• Describe how controlling variables improves the fairness and trustworthiness of experimental results.

Learning Objectives

• Calculate average speed using distance and time with correct units
• Convert between meters per second (m/s) and kilometers per hour (km/h)
• Distinguish average speed from instantaneous rate and explain the difference using examples

Learning Objectives

• Explain how inherited differences and recombination create variation in traits within a population.
• Analyze how trait frequencies change across generations under environmental pressures.
• Use data-based reasoning to predict which traits may become more common over time.

Learning Objectives

• Explain what air masses are and how their temperature and moisture affect weather.
• Describe what fronts are and how they form when air masses meet.
• Compare the typical weather changes caused by cold fronts and warm fronts.+ Show more

Learning Objectives

• Explain how latitude affects the angle of incoming sunlight and regional heating patterns.
• Describe how elevation, distance from water, and ocean currents influence temperature and precipitation.
• Use climate drivers to justify differences between deserts, rain forests, and seasonal weather patterns.

Learning Objectives

• Explain how the geosphere, hydrosphere, atmosphere, and biosphere interact through matter and energy transfer.
• Describe cause-and-effect relationships between changes in one Earth system and outcomes in another system.
• Use evidence from examples (erosion, precipitation, photosynthesis) to predict how Earth systems can influence water availability and landforms.

Learning Objectives

• Explain how fossils can preserve remains, traces, and imprints of ancient organisms.
• Describe how fossil assemblages and sediment layers provide evidence about past environments and Earth history.
• Use fossil types and rock-layer clues to make claims about where and when organisms lived.

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition shape Earth’s surface.
• Describe how geologic processes can both build up and break down landforms over long time periods.
• Use correct science vocabulary to compare erosion and deposition.

Learning Objectives

• Explain how gravity and water can move Earth materials downslope and across coastlines.
• Describe how saturation and slope instability can lead to landslides.
• Identify ways waves and storm surge reshape beaches, dunes, and shorelines.+ Show more

Learning Objectives

• Explain how relative dating uses rock order and observable relationships to determine which geologic event happened first.
• Use the principles of superposition and cross-cutting relationships to interpret a simple geologic history.
• Justify reasoning by connecting rock features (layers, intrusions, faults) to relative ages.

Learning Objectives

• Explain the main processes that form igneous, sedimentary, and metamorphic rocks.
• Describe how energy (cooling, heat, pressure) and Earth-surface processes (weathering and deposition) connect in the rock cycle.
• Use the rock cycle to trace how rocks change across geologic time.

Learning Objectives

• Explain how water, storms, and Earth forces can change the surface of land over time
• Describe the roles of erosion and deposition in shaping local landforms
• Compare rapid changes (storms, earthquakes, volcanic eruptions) with slower landscape change

Learning Objectives

• Differentiate weather from climate using time scales and patterns
• Explain how temperature, precipitation, humidity, and wind help describe weather
• Describe how geography and global energy patterns influence a region’s climate

Learning Objectives

• Explain how balanced forces lead to zero net force and constant velocity.
• Describe how unbalanced forces produce nonzero net force and acceleration.
• Use a tug-of-war scenario to predict how motion changes when forces differ.

Learning Objectives

• Explain the conservation of matter during chemical reactions using evidence such as equal total mass of substances before and after.
• Describe how atoms are rearranged in chemical reactions while the total number of atoms remains the same.
• Apply conservation of matter to everyday observations, like mass measurements in sealed containers.

Learning Objectives

• Explain how density relates mass and volume and why it helps distinguish substances.
• Calculate or compare density using the relationship between mass and volume.
• Identify how intensive properties like density do not depend on the amount of material.

Learning Objectives

• Explain how energy transfers from a higher-energy system to a lower-energy system
• Describe how energy can transform and cause observable changes such as temperature, motion, or light
• Differentiate common energy transfer processes (radiation, conduction, convection) using examples

Learning Objectives

• Explain how balanced and unbalanced forces affect an object's motion
• Describe how a net force relates to changes in speed, direction, or rest
• Use real-world examples (like bicycles and skateboards) to connect force interactions to observable motion

Learning Objectives

• Explain how friction and air resistance oppose motion and reduce an object's speed.
• Describe how surface texture and contact between surfaces affect the strength of resistive forces.
• Use the idea of resistive forces acting opposite motion to predict how quickly objects slow down.+ Show more

Learning Objectives

• Explain how gravity affects the motion of objects near Earth.
• Distinguish mass from weight using the role of gravitational force.
• Describe how falling objects gain speed over time due to a net downward force.