Grade 7 Science Worksheets

Learning Objectives

• Describe motion using distance, time, and speed, including correct units
• Calculate average speed using distance and time and interpret results
• Identify common sources of measurement error and explain how they affect motion data+ Show more

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 vibrating objects produce sound waves in a medium.
• Relate frequency to pitch and amplitude to loudness.
• Describe how sound transmission depends on the medium and why sound cannot travel in a vacuum.+ Show more

Learning Objectives

• Explain how temperature changes affect material properties such as size, density, and viscosity.
• Describe how microscopic particle motion leads to macroscopic changes like expansion, contraction, and pressure changes.
• Predict how thermal cycling and phase changes can influence the performance and safety of real systems.

Learning Objectives

• Distinguish between biotic factors (living) and abiotic factors (nonliving) in an ecosystem.
• Explain how abiotic conditions affect which organisms can survive and reproduce.
• Describe how changes in abiotic factors can shift biotic interactions and population sizes.

Learning Objectives

• Explain how scientific knowledge develops through empirical investigation and evidence evaluation.
• Describe how alternative explanations and uncertainty are handled in scientific reasoning.
• Evaluate how new data can refine models and lead to changes in explanations.

Learning Objectives

• Describe how particle, ball-and-stick, and lattice models represent atoms in different kinds of substances
• Connect subatomic particles and atomic number to element identity and formula notation
• Distinguish molecular structures from extended network structures and predict basic property differences

Learning Objectives

• Describe how light penetration, stratification, and oxygen gradients create vertical zones in ponds and lakes
• Explain how seasonal changes (warming, cooling, turnover) affect dissolved oxygen, nutrient mixing, and habitat suitability
• Use pond and lake examples to predict where different organisms are likely to live based on abiotic conditions

Learning Objectives

• Distinguish biotic and abiotic components of an ecosystem and describe their roles.
• Identify trophic categories (producers, consumers, decomposers) and explain general energy flow.
• Use food chains from pond and forest settings to describe how matter cycles through ecosystems.

Learning Objectives

• Explain how energy inputs, useful outputs, and losses can be traced in system models
• Use energy flow ideas (including waste heat) to discuss conservation of energy in real systems
• Interpret simple Sankey-style energy pathways and calculate or compare conversion efficiency

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy in environmental settings.
• Identify common sources of temperature-measurement error, including response time, spatial placement, radiation effects, and thermal contact.
• Interpret temperature readings using uncertainty, resolution limits, and sensor specifications to make fair comparisons.

Learning Objectives

• Explain how calorimetry uses temperature change to determine energy transfer.
• Apply the idea of energy conservation to heat gained or lost by substances.
• Use specific heat concepts to compare heating, cooling, melting, and thermal losses.

Learning Objectives

• Explain how energy moves through trophic levels in food webs and energy pyramids.
• Describe how producers, consumers, and decomposers contribute to energy flow and ecosystem productivity.
• Compare photosynthesis and cellular respiration as energy-capture and energy-release processes.+ Show more

Learning Objectives

• Explain how chemical equations, graphs, and tables represent measurable matter interactions.
• Interpret quantitative relationships using reaction-rate graphs, stoichiometric ratios, and phase diagrams.
• Choose an appropriate representation to compare values (mass, temperature, time) without assuming microscopic mechanisms.

Learning Objectives

• Explain how synthetic materials are made from natural resources through feedstock selection, polymerization, and refining steps.
• Compare how chemical composition and processing choices affect material properties like durability and flexibility.
• Evaluate trade-offs between recyclability and environmental impacts for common synthetic materials in real products.

Learning Objectives

• Explain how circulatory, respiratory, digestive, and nervous systems work together to support homeostasis in multicellular animals.
• Describe how oxygen transport and nutrient distribution create feedback that helps organisms respond to changes.
• Compare animal organ interactions with basic plant transport needs using the idea of transport networks.

Learning Objectives

• Define and explain key material properties: density, tensile strength, compressive strength, stiffness (modulus), ductility, toughness, and thermal expansion.
• Describe how material properties affect structural performance, including deformation and likely failure modes.
• Compare wood, steel, and reinforced concrete in terms of strength-to-weight, stiffness, and typical behavior under load.

Learning Objectives

• Explain how abiotic and biotic disturbances change population sizes and community composition.
• Describe mechanisms of resistance, resilience, and succession after a disturbance.
• Use observations and longitudinal data to connect changes in populations to specific disturbance causes.

Learning Objectives

• Explain how gravity provides the centripetal force that keeps bodies in orbit
• Describe why orbital paths are curved and often elliptical due to changing gravitational direction
• Connect gravity and inertia to predict why objects do not move in straight lines

Learning Objectives

• Explain how joints and connections help create continuous load paths in structures.
• Compare bolted, welded, and bearing connections in terms of load transfer and possible failure modes.
• Describe shear, bearing, and slip at connections and how detailing (e.g., gusset plates and base plates) affects capacity.

Learning Objectives

• Analyze patterns in the fossil record to understand evolution and extinction events.
• Identify different types of fossils and their significance in reconstructing ancestry.
• Interpret stratigraphic sequences and evolutionary transitions in the geological record.+ Show more

Learning Objectives

• Compare embryonic development stages across different taxa to identify conserved features.
• Analyze morphological similarities in embryonic structures such as pharyngeal pouches and limb buds.
• Understand how developmental timing aids in reconstructing evolutionary relationships.+ Show more

Learning Objectives

• Describe key surface geological processes such as weathering, erosion, transport, and deposition.
• Differentiate between mechanical and chemical weathering mechanisms.
• Explain how landforms like canyons, deltas, and moraines are formed by these processes.+ Show more

Learning Objectives

• Explain the role of DNA molecules in encoding genetic traits.
• Describe how chromosomes organize and transmit genetic information during cell division.
• Illustrate the process of chromosome segregation during gamete formation and fusion.+ Show more

Learning Objectives

• Identify key indicators that a chemical reaction has occurred.
• Describe observable signs of chemical reactions, including gas production and color change.
• Understand how mass measurements and energy considerations distinguish chemical changes from physical changes.+ Show more

Learning Objectives

• Explain how increasing temperature affects particle motion and spacing in solids, liquids, and gases
• Describe and predict contraction and expansion when materials are heated or cooled
• Connect thermal expansion to real-world situations such as tight metal fits and gas pressure in sealed containers

Learning Objectives

• Explain how forces add to create a net force using both magnitude and direction
• Predict how an unbalanced net force changes an object’s speed and/or direction
• Determine when forces are balanced and describe the resulting motion

Learning Objectives

• Understand the drivers and timing of animal migration across landscapes.
• Describe how migration connects ecosystems and supports biodiversity.
• Identify examples of migration in Alberta, including waterfowl flyways and ungulate movements.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the core principles of Newton's three laws of motion.
• Identify real-world examples illustrating inertia, acceleration, and action–reaction pairs.
• Explain how mass, force, and motion are related through qualitative relationships.+ Show more

Learning Objectives

• Explain the concept of mechanical energy and how it is conserved in ideal systems.
• Describe how energy transfers among system components in phenomena like pendulums and springs.
• Identify real-world examples of mechanical energy and explain the role of energy loss to non-mechanical forms.+ Show more

Learning Objectives

• Interpret distance–time and velocity–time graphs to describe motion patterns.
• Identify examples of uniform motion, acceleration, deceleration, and rest from graphs.
• Relate slopes to speed and analyze areas under velocity curves for displacement.+ Show more

Learning Objectives

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

Learning Objectives

• Understand how engineering design responds to system purpose and constraints
• Identify various engineering applications such as bridges, pulley systems, and circuits
• Evaluate trade-offs among cost, reliability, and performance in engineering systems+ Show more

Learning Objectives

• Explain how air masses with different temperature and moisture properties interact to create weather changes
• Describe how fronts form boundaries where air rises, cools, and can produce clouds and precipitation
• Interpret how wind shifts and temperature changes often occur near a front

Learning Objectives

• Trace the causes and diffusion of technological inventions across history.
• Identify factors that enable invention, such as needs, materials, and incremental improvements.
• Differentiate between invention and innovation through historical examples.+ Show more

Learning Objectives

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

Learning Objectives

• Understand different types of population interactions including competition, predation, and mutualism.
• Identify mechanisms that allow species to coexist despite competition.
• Explain how interactions influence community composition and diversity.+ Show more

Learning Objectives

• Understand different methods used in ecological monitoring.
• Identify the importance of data consistency and data quality in long-term studies.
• Describe various sampling techniques such as fixed-site surveys, point counts, remote sensing, and water quality sampling.

Learning Objectives

• Explain the concept of trophic efficiency and its role in energy transfer within ecosystems.
• Describe how energy pyramids illustrate energy loss at each trophic level.
• Understand the factors limiting the number of trophic levels in ecological communities.+ Show more

Learning Objectives

• Explain how gravity provides the centripetal force that keeps objects in orbital paths.
• Describe why planets follow curved, often elliptical trajectories instead of straight lines.
• Connect the balance of gravity and motion to predictable, repeating patterns in orbital systems.

Learning Objectives

• Understand the various forms of energy and how they interconvert during processes.
• Recognize examples of energy transformation in Alberta's regional resources.
• Explain the principle of energy conservation during transformations.+ Show more

Learning Objectives

• Explain how changes in an object's motion energy are linked to energy transfers into or out of the object.
• Identify real-world scenarios where energy transformation occurs, such as braking a car or bouncing a ball.
• Quantitatively and qualitatively analyze energy transfers during different physical events.+ Show more

Learning Objectives

• Explain how the particle model describes matter as tiny particles in constant motion.
• Relate temperature to the average kinetic energy (motion) of particles.
• Use particle ideas to predict how changes in temperature affect properties such as diffusion and pressure.+ Show more

Learning Objectives

• Characterize how multiple representations convey matter interactions including symbolic chemical equations
• Interpret graphs of mass or temperature versus time in reaction contexts
• Analyze tabulated experimental data to understand matter interactions+ Show more

Learning Objectives

• Explain how cooling air leads to condensation and cloud formation.
• Describe how temperature and moisture determine cloud type and precipitation type.
• Connect energy transfers during phase changes to weather patterns.

Learning Objectives

• Understand how intrinsic properties like thermal conductivity, specific heat, and density affect material behavior.
• Compare construction materials based on their thermal resistance and structural features.
• Explain how porosity, moisture, and layered assemblies influence thermal performance.+ Show more

Learning Objectives

• Explain how tectonic uplift, volcanic construction, and surface processes influence landscape change.
• Analyze the balance between uplift and erosion in shaping landforms over time.
• Describe how climate variations affect weathering and material transport in landscapes.+ Show more