Grade 7 Science Worksheets

Learning Objectives

• Explain how patterns, variability, and measurement quality affect how we interpret scientific data
• Describe reliability and how repeated measurements reduce uncertainty
• Identify common sources of error that can influence conclusions from experiments+ Show more

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Identify considerations for sampling design, temporal replication, and data quality.
• Explain how consistent monitoring helps detect ecological trends over time.

Learning Objectives

• Describe the processes involved in metamorphism and how they alter rocks.
• Differentiate between contact and regional metamorphism based on features and conditions.
• Identify minerals and textures that indicate metamorphic grade and history.+ Show more

Learning Objectives

• Define carrying capacity and explain why populations cannot grow indefinitely in an ecosystem.
• Identify limiting factors that regulate population size and relate them to ecosystem equilibrium.
• Use evidence and reasoning to predict how changes in limiting factors affect population growth.

Learning Objectives

• Understand the structure and function of Earth's lithospheric plates
• Identify and classify different plate boundaries
• Describe how plate movements influence geological activity

Learning Objectives

• Understand how solar energy influences seasonal changes
• Identify the factors that affect seasonal temperature variations
• Explain the concepts of albedo, latent heat, and energy fluxes in seasonal cycles+ Show more

Learning Objectives

• Use quantitative relationships to calculate heat energy changes using specific heat, mass, and temperature change.
• Convert between joules (J) and kilojoules (kJ) and check that units make sense in thermal calculations.
• Interpret simple energy budgets and temperature-change information to compare heat flow scenarios.

Learning Objectives

• Describe how forces can change an object’s state of motion using push and pull interactions
• Differentiate contact forces from non-contact forces and give examples of each
• Explain how net force relates to acceleration qualitatively+ Show more

Learning Objectives

• Explain how temperature relates to average random kinetic energy of particles.
• Describe how thermal energy depends on particle number and phase.
• Use molecular motion ideas to compare thermal states and pressures.

Learning Objectives

• Classify rocks as igneous, sedimentary, or metamorphic based on their formation process and common textures.
• Use evidence such as grain size, mineral composition, and rock structures to identify rock types.
• Explain how Earth’s heat, pressure, and fluid activity can change existing rocks over time.

Learning Objectives

• Identify the correct units for distance, time, and speed in motion problems
• Calculate average speed using distance divided by time
• Recognize common sources of measurement error and how they affect results+ Show more

Learning Objectives

• Explain how birth rates, death rates, immigration, and emigration influence population size and distribution
• Describe how abiotic constraints and resource availability can limit population growth in different regions
• Use examples (prairies, boreal forests, disease outbreaks, and human land-use change) to predict how populations can fluctuate+ Show more

Learning Objectives

• Explain how inclined planes change the direction and magnitude of forces needed to move a load.
• Describe the parallel and perpendicular components of force along a ramp.
• Calculate and interpret mechanical advantage using input force and load.+ Show more

Learning Objectives

• Translate a set of motion measurements into a distance–time or speed–time graph
• Explain how slope on a distance–time graph relates to speed
• Find average speed from a distance–time graph and instantaneous speed from the slope of a curve+ Show more

Learning Objectives

• Explain how internal systems (transport, digestion, coordination) help organisms survive in their environments
• Describe how external structures (shells, spines, coloration, beaks) increase survival, feeding, and movement
• Use functional relationships to predict how a trait increases an organism’s chance of obtaining resources and reproducing

Learning Objectives

• Explain how plate tectonics can cause rapid geologic changes such as earthquakes and volcanic eruptions.
• Describe how gradual processes like weathering, erosion, and deposition shape Earth’s surface over time.
• Use evidence (fault features, lava flows, and sediment or ash layers) to connect geologic processes to present-day landforms.

Learning Objectives

• Explain how sound wave behavior (amplitude, frequency, and energy spreading) affects perceived loudness and pitch
• Describe how reflection and absorption by surfaces/materials change the sound that an observer hears
• Use evidence from a wave description to connect physical wave patterns to auditory experiences

Learning Objectives

• Explain how competition, predation, and symbiosis affect populations in an ecosystem
• Identify examples of competition, predation, and symbiosis in real-life or familiar organisms
• Describe how energy flows from prey to predators and how resources shape survival

Learning Objectives

• Identify what producers are and why they are the starting point for energy flow in food webs.
• Explain how consumers and decomposers connect to producers through feeding relationships.
• Describe how removing or adding a species can change trophic connections in an ecosystem.

Learning Objectives

• Understand how weather data patterns are identified and analyzed.
• Compare short-term atmospheric conditions across different locations and times.
• Explain the factors influencing climate variability over long periods.+ Show more

Learning Objectives

• Understand the different types of friction: static and kinetic.
• Identify examples of friction in everyday life.
• Explain how surface texture and normal force affect friction.+ Show more

Learning Objectives

• Explain how waves transfer energy without permanently moving matter.
• Differentiate transverse and longitudinal waves using motion and patterns.
• Connect amplitude and wavelength to energy and pattern spacing.

Learning Objectives

• Explain how different types of biotic interactions affect survival and reproduction in an ecosystem
• Distinguish between mutualism, commensalism, parasitism, predation, and competition using examples
• Analyze how human actions can disrupt biotic relationships and change community structure

Learning Objectives

• Explain how net force affects acceleration and changes in velocity (speed and direction).
• Distinguish between balanced and unbalanced forces using real-world examples.
• Identify how friction, air resistance, and gravity influence motion near Earth.

Learning Objectives

• Define what solubility means in science.
• Identify factors that affect the solubility of substances.
• Recognize examples of solubility in real-world situations.+ Show more

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors that influence population dynamics, including density-dependent and density-independent factors.
• Interpret how models help predict changes in populations across ecosystems.+ Show more

Learning Objectives

• Identify key ideas about thermal conductivity and specific heat capacity from a science text
• Use evidence from a text to explain how material properties affect heat flow
• Compare material choices using vocabulary such as density, porosity, and phase change

Learning Objectives

• Describe ecological organization from individuals to ecosystems using accurate terms (organism, population, community, ecosystem).
• Explain how properties and patterns at higher levels cannot be predicted only from individual traits or behaviours.
• Use Alberta examples (trout, Bow River communities, water chemistry, sediment) to distinguish among ecological levels.

Learning Objectives

• Understand the concept of a food web and how it illustrates interconnected feeding relationships.
• Differentiate between simple food chains and complex food webs.
• Recognize the importance of network structure in ecological resilience.+ Show more

Learning Objectives

• Explain how standardized sampling protocols and consistent data recording support long-term ecological monitoring.
• Describe how temporal replication helps detect trends in species and habitat conditions over time.
• Compare monitoring methods such as fixed-site surveys, point counts, remote sensing, and water quality sampling.

Learning Objectives

• Understand how material behavior under compression, tension, and bending affects long-term performance.
• Compare timber, steel, and reinforced concrete regarding strength, stiffness, density, and environmental resilience.
• Analyze how environmental factors like frost and snow influence material selection for construction.+ Show more

Learning Objectives

• Explain what makes a pure substance uniform in composition and properties
• Distinguish elements from compounds using physical and chemical tests
• Identify how impurities or multiple substances change observed test results

Learning Objectives

• Identify external and internal structures that help organisms survive in their environments.
• Explain how adaptations improve feeding, protection, movement, and reproduction.
• Use functional relationships to describe how traits support balance and resource acquisition.

Learning Objectives

• Explain how abiotic factors (sunlight, water, temperature, soil, topography) affect living organisms in an ecosystem.
• Describe cause-and-effect relationships between abiotic conditions and biotic community patterns.
• Identify how plants, animals, and microbes respond to non-living environmental gradients in Alberta landscapes.

Learning Objectives

• Distinguish between temperature and heat using the particle kinetic-energy model.
• Describe thermal transfer using conduction, convection, and radiation.
• Apply thermal-transfer ideas to explain real-world examples in Alberta’s climates.

Learning Objectives

• Organize measurement data into tables using consistent units and clear labels.
• Describe patterns in graphs by using axis direction, scale, and category comparisons.
• Interpret relationships by reading trends, clusters, and differences between groups.

Learning Objectives

• Understand the process of heat conduction and how it occurs in solids
• Identify materials with high and low thermal conductivity
• Explain how contact resistance and surface treatments affect heat transfer+ Show more

Learning Objectives

• Define net force and equilibrium using key vocabulary from a text.
• Distinguish static equilibrium from dynamic equilibrium in simple situations.
• Explain how balanced force pairs affect motion using qualitative reasoning.

Learning Objectives

• Explain how predator and prey populations can change over time through cause-and-effect feedbacks.
• Describe how changes in one population can ripple to affect other organisms in a community.
• Use models or scenarios to predict what happens when predators increase or decrease.

Learning Objectives

• Identify indicators of physical changes in matter, such as phase changes and dissolving without new substances.
• Explain how particle rearrangement and energy transfer can change a substance’s form without changing its chemical identity.
• Use mass evidence from closed systems to support claims about physical change.

Learning Objectives

• Explain the difference between kinetic energy and potential energy in mechanical systems
• Describe how changes in height, mass, and speed relate to mechanical energy
• Use conservation of mechanical energy to predict how energy forms change during motion+ Show more

Learning Objectives

• Explain how food availability and breeding needs influence migration timing and routes
• Describe how migration connects distant habitats and affects population dynamics
• Identify timing cues and energetic demands that shape migratory movement+ Show more

Learning Objectives

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

Learning Objectives

• Explain how invasive species are introduced beyond their native range and why they can spread rapidly.
• Describe at least three ecological impacts of invasive species on food webs and nutrient cycles.
• Use cause-and-effect reasoning to predict how an ecosystem’s community composition may change over time.

Learning Objectives

• Explain how changes in temperature, rainfall, light, and habitat structure can alter resource availability in an ecosystem.
• Describe how pollution or poor water quality can affect organism growth and survival.
• Use examples to show how changes in one species can alter predation, competition, and symbiosis.+ Show more

Learning Objectives

• Explain how calorimetry uses temperature change to determine energy transfer
• Calculate and compare heat energy changes using specific heat and mass
• Describe how heat moves during melting, heating, and combustion scenarios

Learning Objectives

• Describe how traditional ecological knowledge (TEK) helps people understand seasonal cycles and ecological relationships
• Identify examples of place-based indicators and oral histories used to observe species and habitats over time
• Explain why multiple knowledge systems can complement each other when interpreting long-term environmental patterns+ Show more

Learning Objectives

• Explain how ecological models represent relationships among components in an ecosystem
• Distinguish between conceptual and quantitative modelling approaches
• Identify important model inputs and limitations, including uncertainty+ Show more