Grade 7 Science Worksheets

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Explain how atoms are conserved and rearranged during reactions.
• Identify the characteristics of closed systems in chemical processes.+ Show more

Learning Objectives

• Explain how energy pathways are traced and modeled in industrial systems.
• Identify different components and representations used in energy flow diagrams.
• Analyze efficiency and loss mechanisms in regional energy systems such as oil sands extraction and hydroelectric plants.+ 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

• Explain equilibrium as a state where net force is zero and motion does not change
• Differentiate static equilibrium from dynamic equilibrium using examples and force diagrams
• Identify balanced force pairs and predict how structures respond to gravity and wind

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors influencing population changes, including density-dependent and density-independent factors.
• Interpret graphs and data related to population dynamics in ecosystems.+ Show more

Learning Objectives

• Explain the processes involved in mountain building, including orogeny and crustal deformation.
• Describe how surface processes like erosion and isostatic adjustment shape mountain landscapes.
• Identify different types of mountain formation features such as mountain belts, volcanic arcs, and metamorphic cores.+ Show more

Learning Objectives

• Understand key conservation strategies used to protect ecosystems and biodiversity.
• Identify different methods such as habitat protection, restoration, and species management.
• Analyze the importance of adaptive approaches in conservation efforts.+ Show more

Learning Objectives

• Understand the three main boundary types and their characteristics
• Identify landforms and processes associated with divergent, convergent, and transform boundaries
• Explain how boundary interactions lead to seismicity, volcanic activity, and uplift or subsidence+ Show more

Learning Objectives

• Describe how exponential and logistic population models differ and what each implies about resource limits and carrying capacity.
• Explain how density-dependent and density-independent factors affect population growth rates over time.
• Use population models to interpret patterns in real ecosystems and make simple predictions.

Learning Objectives

• Understand what an ecosystem is and its key components.
• Learn how ecosystems respond to disturbances.
• Recognize factors that contribute to ecosystem resilience.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how wetlands store and release water that affects regional hydrology.
• Describe how wetlands cycle nutrients and help improve water quality.
• Connect wetland habitats to biodiversity, including amphibians and migratory birds.+ Show more

Learning Objectives

• Understand the principle that matter is conserved during chemical reactions.
• Recognize how atoms rearrange during reactions without changing the total mass.
• Explain the concept of a closed system in mass conservation.

Learning Objectives

• Explain how energy flows through producers, consumers, and decomposers in a food web
• Describe how food webs are more resilient than simple food chains due to redundancy and alternative pathways
• Predict how changes to one species can cascade through multiple relationships in an ecosystem+ Show more

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 kinetic and potential energy are related to motion and elevation in mechanical systems.
• Use conservation of mechanical energy to predict qualitative energy changes during motion.
• Connect energy relationships to forces, safe speed, and structural loading in real-world transportation and industrial contexts.

Learning Objectives

• Explain how traditional ecological knowledge uses long-term observation to understand ecological relationships and seasonal cycles.
• Describe how oral histories and place-based information can serve as habitat indicators for species and ecosystems.
• Compare Indigenous knowledge with other knowledge systems and explain why both can support environmental understanding.

Learning Objectives

• Understand the principle of conservation of mass during physical and chemical changes.
• Recognize that total mass remains constant in a closed system during reactions.
• Observe and interpret measurements of mass before and after sealed reactions.+ Show more

Learning Objectives

• Understand the key indicators of physical changes in substances.
• Identify examples of physical changes in real-world contexts.
• Differentiate between physical and chemical changes based on observable signs.+ Show more

Learning Objectives

• Explain how phase changes reflect changes in particle energy and discuss latent heat phenomena.
• Identify examples of phase energy in real-world scenarios, such as snowmelt and evaporation.
• Interpret how microscopic particle interactions contribute to macroscopic energy changes during phase transitions.+ Show more

Learning Objectives

• Understand how deposition shapes different landforms such as deltas, alluvial fans, and dunes.
• Identify depositional features and processes based on sediment characteristics.
• Explain the formation of layered strata, cross-bedding, and graded beds in depositional environments.+ Show more

Learning Objectives

• Use data and observations to support scientific claims with direct references to evidence.
• Explain why evidence implies a claim by using appropriate relationships and units.
• Evaluate alternative explanations by stating which evidence supports one explanation more strongly.

Learning Objectives

• Explain how birth and death rates change population size using cause-and-effect.
• Identify how resource availability and abiotic constraints can increase deaths or limit births.
• Use measurement of population trends to describe whether a population is growing, shrinking, or fluctuating.

Learning Objectives

• Identify key details of standardized fixed-site survey protocols
• Explain how consistent sampling helps detect ecological change over time
• Use vocabulary from monitoring methods (fixed-site, point count, replicate, quality control) to interpret results

Learning Objectives

• Identify key details about cold tolerance adaptations in boreal animals.
• Summarize how an adaptation helps an animal survive and reproduce in cold environments.
• Explain how variation in traits can change in populations across generations through selection.

Learning Objectives

• Summarize how seasonal migration helps animals meet food and shelter needs.
• Identify timing cues that influence when animals move.
• Explain how migration affects population dynamics over time.

Learning Objectives

• Explain why animals migrate using food availability and breeding needs as drivers.
• Describe how timing cues and energetic demands affect migration schedules.
• Analyze how migratory connectivity links ecosystems across regions and influences population dynamics.

Learning Objectives

• Understand the principles of convection and how it transports heat in fluids.
• Identify natural and forced convection examples in environmental and engineered systems.
• Analyze flow patterns, boundary layers, and buoyancy forces in convection processes.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH influence species distribution and population dynamics.
• Recognize the effects of seasonal and daily fluctuations on environmental stress and opportunities for organisms.
• Explain how extreme events impact population resilience and survival in ecosystems.+ Show more

Learning Objectives

• Explain how mantle convection, slab pull, and ridge push contribute to plate motion.
• Describe how different plate-mechanism strengths can affect plate velocity and direction.
• Use evidence and vocabulary to interpret tectonic events connected to plate motion.

Learning Objectives

• Explain how mantle convection, slab pull, and ridge push contribute to plate motion
• Describe the role of density differences and buoyancy in driving convection cells
• Use evidence and vocabulary to compare the relative effects of different plate mechanisms

Learning Objectives

• Understand how material properties influence energy transfer modes.
• Analyze energy budgets involving conduction, convection, radiation, storage, and conversion losses.
• Apply comparison metrics like net heat gain, fuel energy requirements, and temperature responses to real systems.+ Show more

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 different force systems that drive plate motion within the Earth.
• Describe how mantle convection, slab pull, and ridge push operate and interact.
• Explain the scale and relative strength of each plate mechanism.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Explain how compression, tension, and shear forces affect different structural elements.
• Identify material properties such as stiffness, strength, and durability used in evaluating structural safety.+ Show more

Learning Objectives

• Describe various types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Explain how human activities can disrupt natural biotic relationships.
• Understand how changes in one species can affect entire ecosystems and biodiversity.+ Show more

Learning Objectives

• Explain the differences between static and kinetic friction and provide real-world examples.
• Describe how surface texture and normal force affect the magnitude of friction.
• Understand the concept of aerodynamic drag and how it impacts motion, especially in outdoor transportation.+ Show more

Learning Objectives

• Explain how conservation status assessments combine population trends, threat severity, and recovery potential to estimate risk
• Identify how land use, genetic diversity, and habitat connectivity can increase or decrease vulnerability
• Interpret evidence used in conservation status and describe how results can guide regional priorities

Learning Objectives

• Understand how to represent motion visually through distance–time and speed–time graphs.
• Interpret slope meanings in motion graphs to determine speed and rate of change.
• Learn methods to calculate average and instantaneous speeds from graphs.+ Show more

Learning Objectives

• Understand the concept of trophic efficiency and its role in ecosystems.
• Describe why energy diminishes at higher trophic levels.
• Interpret energy pyramids and biomass distribution in ecological communities.+ Show more

Learning Objectives

• Explain how competition, predation, and symbiosis affect survival and population changes in an ecosystem.
• Distinguish mutualism, commensalism, and parasitism as types of symbiosis.
• Use evidence from examples to predict how an interaction can change resource availability over time.

Learning Objectives

• Explain the processes involved in the rock cycle and how they connect tectonics, magmatism, and surface processes.
• Identify different types of rocks and the transformations they undergo during geological processes.
• Describe how surface agents and internal Earth processes contribute to the recycling of crustal materials.+ Show more

Learning Objectives

• Identify and describe the three principal boundary types and their characteristic landforms.
• Explain the processes involved in divergent, convergent, and transform boundaries.
• Differentiate the topography, volcanic activity, and seismicity associated with each boundary type.+ Show more

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors affecting population dynamics such as density-dependent and density-independent factors.
• Interpret how models predict changes in populations over time in various ecosystems.+ Show more

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 observable signs that indicate a chemical change has occurred.
• Understand the importance of multiple indicators in confirming chemical reactions.
• Describe different types of evidence such as gas formation, color change, and temperature change.+ Show more

Learning Objectives

• Describe the differences between exponential and logistic population growth models.
• Identify factors that influence population size, including density-dependent and density-independent factors.
• Interpret how models predict population patterns under various conditions.+ Show more

Learning Objectives

• Define mutualism, commensalism, and parasitism using evidence from interactions between species.
• Explain how symbiosis types can affect population size, resource distribution, and community structure.
• Apply symbiosis concepts to Alberta-relevant examples in local ecosystems.