Grade 7 Science Worksheets

Learning Objectives

• Define carrying capacity and explain its significance in ecosystems.
• Identify limiting factors that influence population growth.
• Describe the effects of exceeding carrying capacity in natural environments.+ Show more

Learning Objectives

• Define solubility and identify factors that influence it
• Explain the role of solutes and solvents in dissolving processes
• Describe how temperature, surface area, and pressure affect solubility+ Show more

Learning Objectives

• Explain how erosion by different agents (running water, glaciers, wind, and gravity) leads to distinctive sediment results.
• Describe how transport energy and distance affect grain size and sorting.
• Use sediment clues to infer past environments and landscape evolution.

Learning Objectives

• Understand how material properties like thermal resistance influence heat flow in buildings.
• Identify design choices that improve energy efficiency through insulation.
• Analyze regional examples of insulation strategies used in Alberta climate conditions.+ Show more

Learning Objectives

• Identify and describe the six types of simple machines and their functions.
• Calculate mechanical advantage for different simple machines using given data.
• Explain how simple machines alter force and direction to make work easier.+ Show more

Learning Objectives

• Understand the step-by-step formation of sedimentary rocks from weathering to lithification.
• Identify different depositional environments and their features.
• Describe the processes involved in transportation, deposition, and preservation of sediments.+ Show more

Learning Objectives

• Explain how solar energy input and surface conditions (like snow cover) affect seasonal temperature change.
• Describe how energy is stored and released through radiative, sensible, and latent heat processes.
• Connect seasonal thermal cycles to real-world effects such as soil freeze–thaw, snowpack insulation, and lake stratification.

Learning Objectives

• Define and identify forces acting on objects
• Explain the concept of static and dynamic equilibrium
• Interpret graphical representations of balanced forces+ Show more

Learning Objectives

• Identify different types of weathering processes
• Explain the causes of physical and chemical weathering
• Describe how weathering influences landscape formation

Learning Objectives

• Explain how energy moves through an ecosystem using producers, consumers, and decomposers
• Describe how matter cycles while energy flows one-way through trophic levels
• Identify factors that can change ecosystem populations and balance

Learning Objectives

• Explain how deposition occurs when transporting water or wind loses energy, leading to sediment accumulation.
• Identify major depositional landforms (deltas, alluvial fans, floodplains, beaches, coastal shelves, moraines, drumlins, dunes) and connect them to processes.
• Describe how depositional features such as layered strata, cross-bedding, and graded beds form and what they can reveal about past environments.

Learning Objectives

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

Learning Objectives

• Identify and describe different energy pathways in mechanical systems.
• Understand energy transformations and conservation principles in industrial contexts.
• Interpret energy flow diagrams and Sankey-style representations.+ 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

• Understand the roles of supports, foundations, and load paths in structures
• Learn about compression, tension, and shear forces and their effects on beams, columns, and foundations
• Evaluate material properties such as stiffness, strength, and durability for structural safety under various conditions

Learning Objectives

• Define contact and non-contact forces.
• Explain how net force influences the acceleration of an object.
• Identify examples of push and pull forces in everyday life.

Learning Objectives

• Understand how to interpret distance–time graphs
• Identify the meaning of slope in kinematic graphs
• Learn how to extract average and instantaneous speed from graphs+ Show more

Learning Objectives

• Describe the processes that contribute to landscape evolution, including tectonic uplift, volcanic activity, and surface processes.
• Explain how rates of erosion and uplift affect topography over geological time.
• Analyze the influence of climate change on weathering, transport, and landscape shape.+ Show more

Learning Objectives

• Describe different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Explain how human activities can disrupt established biotic relationships and affect ecosystems.
• Analyze how changes in one species can impact community structure and biodiversity.

Learning Objectives

• Understand what invasive species are and how they affect ecosystems
• Identify mechanisms by which invasive species establish and spread
• Recognize ecological and economic impacts of invasive species+ Show more

Learning Objectives

• Understand how different types of disturbances affect ecosystems and habitats.
• Identify species adaptations to disturbance regimes and their effects on population dynamics.
• Analyze how disturbance frequency, intensity, and spatial scale influence ecological diversity and stability.+ Show more

Learning Objectives

• Understand how interconnected feeding relationships form a food web in ecosystems.
• Recognize the differences between simple food chains and complex food webs.
• Explain the importance of redundancy and alternative pathways in food webs for ecosystem stability.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in chemical reactions.
• Describe at the particle level how atoms are conserved and rearranged.
• Identify examples of closed systems where mass remains constant before and after reactions.+ Show more

Learning Objectives

• Understand how measurement tools have resolution limits affecting data accuracy.
• Explain the concept of uncertainty in repeated measurements and data interpretation.
• Interpret graphs and tables that include ranges or error estimates to evaluate data significance.+ Show more

Learning Objectives

• Identify the different types of variables in scientific investigations.
• Understand how to design investigation plans with clear variables and evidence.
• Distinguish between independent, dependent, and controlled variables in experiments.+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical change has occurred.
• Understand that multiple indicators together provide stronger evidence of chemical change.
• Recognize various signs of chemical reactions such as gas formation, color change, temperature change, precipitate formation, and irreversibility.+ Show more

Learning Objectives

• Understand the difference between closed and open systems in terms of matter transfer.
• Explain how mass is conserved in a closed system during reactions.
• Identify scenarios where systems are open versus closed and interpret mass changes accordingly.+ Show more

Learning Objectives

• Understand the effects of sunlight on plant growth
• Identify different regional environmental factors
• Explain cause-and-effect relationships between abiotic factors and organisms+ Show more

Learning Objectives

• Understand the basic properties of waves such as amplitude, wavelength, and frequency.
• Identify different types of waves: transverse and longitudinal.
• Describe how waves transfer energy without transferring matter.+ Show more

Learning Objectives

• Explain how deposition processes contribute to landform development.
• Identify different landforms created by deposition such as deltas, beaches, and moraines.
• Describe depositional features visible in stratigraphy like layered strata and cross-bedding.+ Show more

Learning Objectives

• Understand different quantities used to measure motion such as distance, time, and speed.
• Calculate average speed using distance and time data.
• Recognize common measurement errors and how to minimize them.+ Show more

Learning Objectives

• Identify the three principal boundary types and their characteristic landforms.
• Explain how divergent boundaries create mid-ocean ridges and rift valleys.
• Describe the processes that occur at convergent boundaries, including subduction and mountain formation.+ Show more

Learning Objectives

• Understand the concept of ecosystem resilience and factors influencing it.
• Identify patterns of population change after disturbances.
• Analyze how community relationships reorganize in response to environmental changes.+ Show more

Learning Objectives

• Identify how a scientific claim must be supported by specific data and observations.
• Explain why evidence implies a claim using appropriate comparisons, units, and relationships.
• Evaluate alternative explanations by stating which evidence supports one explanation more strongly.

Learning Objectives

• Recognize different forms of energy and how they interconvert.
• Understand the concept of energy conservation during transformations.
• Identify regional resource examples related to energy processes.+ Show more

Learning Objectives

• Understand the concept of mass and its importance in chemical reactions.
• Learn how to accurately measure mass before and after a chemical process.
• Identify factors that affect the conservation of mass in closed and open systems.+ Show more

Learning Objectives

• Identify Earth’s four system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how matter and energy move between spheres (water, gases, and rock/soil interactions).
• Describe how changes in one sphere can affect other spheres, including climate and ecosystems.

Learning Objectives

• Distinguish weather from climate using data about temperature, wind, humidity, and precipitation
• Interpret how pressure changes and air mass movement can explain weather patterns over time and across locations
• Connect long-term climate trends to major factors such as greenhouse gases, ocean circulation, land cover, volcanic aerosols, and solar energy

Learning Objectives

• Explain how gradual geologic processes (weathering, erosion, deposition) reshape Earth’s surface
• Describe how plate tectonics can cause rapid hazards such as earthquakes and volcanic eruptions
• Use geologic evidence (fault features, lava flows, ash/layering) to connect past events to present-day landforms

Learning Objectives

• Explain how vibrating objects produce sound through pressure waves in a medium.
• Relate frequency to pitch and amplitude to loudness.
• Describe how sound transmission depends on the presence of matter (not vacuum).

Learning Objectives

• Understand the concept of a food web and its role in ecosystems.
• Identify various species roles within a food web such as producers, consumers, and decomposers.
• Explain how interconnected feeding relationships contribute to ecosystem stability.+ Show more

Learning Objectives

• Understand the different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Recognize how human activities can disrupt natural biotic relationships and affect ecosystems.
• Explain the importance of biotic relationships in maintaining biodiversity and ecosystem stability.

Learning Objectives

• Understand the main factors that influence landscape evolution, such as tectonic uplift, volcanic activity, and surface processes.
• Identify how rates of erosion and uplift affect topography over time.
• Explain the role of climate in weathering and material transport in landscape change.+ Show more

Learning Objectives

• Understand the structure and function of food webs in regional ecosystems.
• Identify various trophic levels including producers, consumers, and decomposers.
• Explain the direction of energy flow through a food web.+ Show more

Learning Objectives

• Understand the processes involved in metamorphism and its effects on rocks.
• Differentiate between contact and regional metamorphism.
• Identify minerals and textures indicative of metamorphic grade.+ Show more

Learning Objectives

• Understand the causes and mechanisms of earthquakes and fault movement.
• Identify different types of faults and their seismic signatures.
• Describe how seismic waves travel and what influences earthquake intensity.+ Show more

Learning Objectives

• Understand different types of volcanic landforms and how magma composition influences their formation.
• Identify the characteristics of shield volcanoes and stratovolcanoes.
• Recognize tectonic settings such as subduction zones and hotspots that lead to volcanic activity.+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation during orogeny.
• Identify different tectonic plate interactions that lead to mountain building.
• Describe surface processes like erosion and isostatic adjustment that shape mountain relief.+ Show more