Grade 7 Science Worksheets

Learning Objectives

• Understand the application of mass conservation principles in chemical and environmental systems.
• Identify practical examples of mass budgeting in closed and near-closed systems.
• Analyze regional case studies involving conservation principles and mass tracking.+ Show more

Learning Objectives

• Explain the law of conservation of mass and its importance in physical and chemical changes.
• Predict mass relationships in closed systems based on reactants and products.
• Observe and describe experiments demonstrating mass conservation in sealed reactions.+ Show more

Learning Objectives

• Explain the particle model and how it describes the structure of matter.
• Relate microscopic particle behavior to macroscopic phenomena like evaporation and condensation.
• Differentiate between physical rearrangements and chemical changes using the particle model.+ Show more

Learning Objectives

• Define and distinguish between pure substances, mixtures, and solutions.
• Identify examples of each classification from real-world scenarios.
• Understand measurable properties like melting points and how they relate to substance classification.+ Show more

Learning Objectives

• Understand the concept of carrying capacity
• Identify factors that influence an ecosystem's capacity to support organisms
• Recognize the importance of balancing population size with available resources

Learning Objectives

• Explain how energy flows through organisms in a food web from producers to consumers and decomposers.
• Identify how removing or adding a species can change trophic connections and affect ecosystem stability.
• Use vocabulary from food webs (producer, consumer, decomposer, trophic level) to describe feeding relationships.

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Describe the importance of standardized sampling protocols and data recording.
• Identify considerations for sampling design, temporal replication, and data quality.+ Show more

Learning Objectives

• Describe how the particle model explains states of matter and their properties.
• Analyze how particle arrangement and motion influence observable phenomena such as evaporation and condensation.
• Differentiate between physical rearrangements of particles and chemical transformations involving new substances.+ Show more

Learning Objectives

• Understand different physical properties used to separate mixtures.
• Identify and describe techniques such as filtration, decanting, evaporation, and magnetic separation.
• Apply knowledge of separation techniques to practical regional examples.+ Show more

Learning Objectives

• Understand the principles of conservation of mass in closed-system reactions.
• Explain how mass accounting relates reactant and product masses.
• Apply mass relationships to predict yields in chemical reactions.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in the separation of bitumen from oil sands.
• Identify different separation methods based on mixture properties such as density, particle size, and chemical composition.
• Explain how physical separation and chemical treatment work together in complex mixture processing.+ Show more

Learning Objectives

• Understand different measures of solution concentration, including mass percent and grams per litre.
• Identify how solution concentration affects physical properties like boiling point and freezing point.
• Describe real-world examples of solution concentration impacts, such as in water treatment and ecological systems.+ Show more

Learning Objectives

• Understand various conservation strategies and their importance in ecosystem sustainability.
• Identify key methods used in habitat protection, restoration, and species management.
• Recognize how adaptive approaches improve conservation effectiveness over time.+ Show more

Learning Objectives

• Interpret position-time graphs to determine an object's speed.
• Identify different types of motion patterns based on graph slopes.
• Understand how curved graphs indicate changing velocity.+ Show more

Learning Objectives

• Describe the basic principles of the particle model of matter.
• Explain how particle arrangement and motion account for states of matter and observable phenomena.
• Differentiate between physical rearrangements and chemical transformations at the particle level.

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Explain why mass remains constant in a closed system during reactions.
• Interpret observations of sealed-container reactions to demonstrate mass conservation.+ Show more

Learning Objectives

• Understand the defining properties of pure substances, including fixed melting and boiling points, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify examples of pure substances such as elemental metals and common compounds like calcium carbonate.+ Show more

Learning Objectives

• Understand the key indicators of physical changes in substances.
• Identify examples of physical changes in everyday life.
• Explain how particle behavior relates to observable physical transformations.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating bitumen from oil sands.
• Identify different methods used for physical separation based on density and particle size.
• Explain how chemical treatments and temperature adjustments influence emulsions and dissolved organics.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and precipitate formation.
• Explain how bond reorganization at the particle level indicates chemical transformations.
• Differentiate between chemical changes and physical changes based on observable evidence.+ Show more

Learning Objectives

• Understand the factors that affect the solubility of substances.
• Explain how temperature, surface area, pressure, and agitation influence solubility.
• Apply knowledge of solubility factors to real-world examples like seasonal salt variation and de-icing procedures.+ Show more

Learning Objectives

• Understand the physical properties exploited by different separation techniques.
• Identify common separation methods like filtration, decanting, evaporation, and magnetic separation.
• Relate regional examples of separation processes to their underlying principles.+ Show more

Learning Objectives

• Explain the principles of mass conservation and their importance in chemical and environmental systems.
• Identify real-world applications of mass conservation in reaction stoichiometry and environmental monitoring.
• Describe how mass budgets and balances are used in closed or near-closed systems.+ Show more

Learning Objectives

• Understand what invasive species are and how they differ from native species.
• Identify the mechanisms by which invasive species spread.
• Recognize the ecological and economic impacts of invasive species.+ Show more

Learning Objectives

• Understand how potential and kinetic energy relate to forces and motion in mechanical systems.
• Identify factors such as height, mass, and speed that influence mechanical energy.
• Describe qualitative energy conversions between potential and kinetic forms.+ Show more

Learning Objectives

• Explain how anthropogenic pollutants enter ecosystems through key exposure pathways in aquatic and terrestrial environments.
• Describe how nutrients, hydrocarbons, and airborne pollutants can affect organism health and ecosystem chemistry.
• Connect pollutant sources to observable ecological effects such as food web changes and bioaccumulation risks.

Learning Objectives

• Explain how magma forms through different geological processes such as decompression, heat transfer, and volatile addition.
• Describe the relationship between cooling rates and the texture/mineral composition of igneous rocks.
• Identify the roles of fractional crystallization and magma mixing in producing diverse igneous rocks.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the formation of magma through various geological processes such as decompression, volatile addition, and heat transfer.
• Identify how cooling rates influence the texture and mineral composition of igneous rocks.
• Describe the roles of fractional crystallization and magma mixing in producing diverse igneous rocks.+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers in an ecosystem.
• Understand how energy flows through food webs.
• Recognize the role of matter cycling in ecosystems.+ Show more

Learning Objectives

• Understand measurable physical properties such as density, melting point, boiling point, and solubility.
• Explain how physical properties help identify and sort substances.
• Compare and observe different tangible characteristics of materials.+ Show more

Learning Objectives

• Understand the definition and conditions of saturation and supersaturation.
• Identify real-world examples of saturation and supersaturation phenomena.
• Explain the phase change between dissolved and solid states in solutions.+ Show more

Learning Objectives

• Explain how solubility depends on the nature of the solute and solvent.
• Describe how temperature, pressure (for gases), and surface area affect dissolving.
• Connect particle size and agitation to the rate and extent of dissolution.

Learning Objectives

• Explain how adaptations help a population survive and reproduce by supporting life processes
• Identify structural, behavioral, and morphological adaptations and match them to their functions
• Describe how trade-offs can limit performance in different conditions+ Show more

Learning Objectives

• Describe how energy moves through a food web from producers to consumers.
• Explain how decomposition cycles matter by returning nutrients to the environment.
• Use trophic levels to predict how changes in one population affect others.

Learning Objectives

• Understand the concept of fixed-site surveys in ecological monitoring.
• Identify different ecological monitoring approaches used in Alberta.
• Explain how consistent sampling enhances detection of ecological trends.

Learning Objectives

• Understand the key concepts of biodiversity and its components
• Learn different ways to measure biodiversity such as richness, evenness, and habitat heterogeneity
• Interpret what various biodiversity metrics reveal about ecosystem health and resilience+ Show more

Learning Objectives

• Understand how birth and death rates influence population size.
• Identify factors affecting population distribution such as resources and abiotic conditions.
• Analyze how environmental and human activities cause fluctuations in populations.+ Show more

Learning Objectives

• Identify sources of nutrient runoff in aquatic environments.
• Describe how pollutants impact ecosystems and organisms.
• Understand pathways of contamination transfer and bioaccumulation.+ Show more

Learning Objectives

• Understand the hierarchy of ecological levels from individual organisms to ecosystems
• Identify examples of each level within Alberta's ecological context
• Recognize how higher levels emerge with properties different from individual traits

Learning Objectives

• Understand the steps involved in ecological inquiry.
• Analyze how observable data informs understanding of river ecosystems.
• Evaluate human impacts on ecological health through data interpretation.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the different types of symbiotic relationships: mutualism, commensalism, and parasitism.
• Identify examples of mutualism, especially pollinator-plant interactions, from regional habitats.
• Describe ecological consequences of symbiosis on community structure and population dynamics.

Learning Objectives

• Identify the variables that affect solubility in different conditions.
• Explain how temperature, pressure, and surface area influence the amount of solute dissolved.
• Describe real-world examples demonstrating the impact of solubility factors.

Learning Objectives

• Identify different physical properties of matter
• Describe how properties can be used to separate mixtures
• Differentiate between physical and chemical changes in substances

Learning Objectives

• Identify measurable physical properties such as density, melting point, boiling point, color, and solubility.
• Compare different substances based on their physical attributes to support identification.
• Explain how properties like density and solubility are used to sort and choose materials for specific purposes.+ Show more

Learning Objectives

• Understand different conservation strategies and their roles in protecting ecosystems.
• Identify human impacts on biodiversity and how strategies aim to mitigate these effects.
• Recognize the importance of adaptive management in conservation efforts.+ Show more

Learning Objectives

• Understand how inclined planes distribute applied force and work over distance.
• Identify the force components parallel and perpendicular to a slope.
• Calculate the mechanical advantage of inclined planes in practical contexts.+ Show more