Grade 7 Science Worksheets

Learning Objectives

• Explain how surface area and volume affect the ability of cells to exchange materials.
• Describe how increasing surface area-to-volume ratio improves diffusion and transport.
• Identify examples of structural adaptations that increase exchange surfaces in cells and organisms.

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 balanced forces produce zero net force and constant velocity
• Describe how unbalanced forces produce nonzero net force and acceleration
• Use real-world examples (such as tug-of-war) to predict motion outcomes

Learning Objectives

• Distinguish between physical and chemical properties of materials.
• Identify measurable descriptors such as density, melting point, solubility, and conductivity.
• Analyze property data to determine substance identification and separation methods.+ Show more

Learning Objectives

• Classify mixtures as homogeneous or heterogeneous using particle behavior and visible phases.
• Distinguish solutions, colloids, and suspensions based on particle size and light-scattering behavior.
• Choose appropriate separation methods by predicting how mixture components interact.

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

• Understand how human activities affect the environment and ecosystems.
• Identify scientific methods used to monitor environmental changes due to human impacts.
• Evaluate mitigation strategies for reducing human impacts and their trade-offs.+ Show more

Learning Objectives

• Identify and characterize conduction, convection, and radiation as three modes of thermal energy transfer.
• Explain the molecular/mechanism-level process behind each mode and contrast the media and typical rate differences.
• Use examples from everyday and environmental contexts to predict how heat moves.

Learning Objectives

• Explain how net force is found by combining forces with vector direction using sign conventions in one dimension
• Interpret free-body diagrams to determine the direction and magnitude of net force for real systems (elevator, tug-of-war, cart on a ramp)
• Describe what it means for a system to be in equilibrium and predict motion when net force is zero or nonzero

Learning Objectives

• Explain how albedo and emissivity affect radiative heat exchange between surfaces and the environment
• Predict how surface color and coatings influence solar gain and heat loss
• Describe how low-emissivity glazing and reflective roofs modify net radiative flux+ Show more

Learning Objectives

• Explain how predation changes population size over time
• Explain how competition changes population size over time
• Distinguish parasitism, mutualism, and commensalism using evidence+ Show more

Learning Objectives

• Understand the processes of evaporation and controlled crystallization used to recover solutes.
• Identify factors influencing crystal growth, size, and purity, such as evaporation rate and impurities.
• Describe examples like salt production and sugar crystallization.+ Show more

Learning Objectives

• Identify and describe the functions of key organelles in plant and animal cells.
• Understand the differences between eukaryotic and prokaryotic cells.
• Connect cell structure features with their roles in processes like transport, synthesis, and compartmentalization.+ Show more

Learning Objectives

• Calculate expected genotype ratios from a monohybrid cross
• Predict phenotype ratios using dominant and recessive alleles
• Interpret Punnett square outcomes as inheritance probabilities+ Show more

Learning Objectives

• Explain how nonliving abiotic factors (temperature, light, water availability, soil characteristics, and salinity) limit where organisms can live
• Describe how environmental gradients and microclimates influence species tolerances and seasonal patterns
• Connect abiotic variability to habitat suitability, ecosystem productivity, and community composition

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

• Analyze the societal, economic, and environmental impacts of various technologies.
• Evaluate short-term and long-term consequences associated with technological developments.
• Assess ethical considerations and policy responses related to technology impacts.+ Show more

Learning Objectives

• Understand the three fundamental principles described by Newton's laws of motion.
• Identify real-world phenomena that exemplify Newton's laws, such as collisions and tug-of-war.
• Explain the relationship between mass, force, and acceleration in everyday systems.+ Show more

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 how uneven solar heating influences regional climates.
• Identify key atmospheric and oceanic circulation patterns and their effects.
• Analyze how topography and ocean currents modify local climate conditions.+ 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

• Calculate average speed using distance and time with correct units
• Convert between meters per second (m/s) and kilometers per hour (km/h)
• Distinguish average speed from instantaneous rate and explain the difference using examples

Learning Objectives

• Compare physical, digital, and laboratory prototyping methods
• Explain how strain gauges measure structural strain
• Describe how displacement transducers measure structural movement+ 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

• Define equilibrium and identify conditions under which it occurs.
• Differentiate between static and dynamic equilibrium.
• Recognize forces such as normal, gravitational, and tension forces acting on objects.+ Show more

Learning Objectives

• Understand how latitude influences sunlight exposure and temperature
• Describe how Earth's position affects climate patterns
• Recognize the significance of latitude in regional climate differences

Learning Objectives

• Understand the basic components of an atom: protons, neutrons, and electrons.
• Learn how atomic structure influences the properties of elements and molecules.
• Differentiate between simple molecular models and extended lattice structures.+ Show more

Learning Objectives

• Classify mixtures as solutions, colloids, or suspensions using particle size and uniformity.
• Explain how light scattering and stability help distinguish mixture types at the macroscopic scale.
• Predict how different mixtures behave during separation methods such as filtration and settling.

Learning Objectives

• Compare biodiversity management strategies across ecosystem constraints
• Evaluate effects of management choices on ecosystem services
• Use case evidence to justify biodiversity management decisions+ Show more

Learning Objectives

• Understand natural water sources and their limitations
• Identify factors that affect water availability such as natural events and human use
• Analyze how environmental conditions influence resource access and societal responses

Learning Objectives

• Explain how ethical practices like data integrity, proper attribution, and intellectual property protect scientific communities.
• Apply communication conventions for technical reporting, including clear claims about reliability and appropriate graphical annotation.
• Evaluate responsible data sharing and equitable access in STEM projects.

Learning Objectives

• Describe how Sun-Earth-Moon positions create regular lunar phases
• Explain why eclipses occur at specific points in the Moon's orbit
• Use axial tilt to explain seasonal changes on Earth+ Show more

Learning Objectives

• Classify samples of matter as elements, compounds, or mixtures based on composition.
• Distinguish homogeneous mixtures from heterogeneous mixtures using visible uniformity.
• Use particle/combination ideas to predict how materials behave during physical and chemical changes.

Learning Objectives

• Differentiate between elements, compounds, and mixtures based on particle composition.
• Classify mixtures as homogeneous or heterogeneous using visual uniformity clues.
• Use observations about uniformity to predict what may happen during physical or chemical changes.

Learning Objectives

• Understand what adaptation is and how it improves survival or reproduction.
• Identify different types of evidence used to support the study of adaptation.
• Analyze real-world examples of adaptations, such as changes in coloration.+ Show more

Learning Objectives

• Explain how diagrams, scale models, and quantitative representations can be used to predict system behavior
• Identify assumptions, simplifications, and scaling effects that affect model accuracy
• Interpret model outputs and describe limitations of models for understanding complex interactions

Learning Objectives

• Identify observable evidence that a chemical reaction has occurred
• Explain how reaction evidence indicates a change in composition
• Use sealed-system mass measurements to support conservation of mass+ Show more

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition work together to shape Earth’s surface
• Identify how different agents (water, wind, ice, and gravity) transport weathered material
• Use evidence from landforms and rock layers to describe how landscapes can appear stable while still changing

Learning Objectives

• Understand the concept of gravity and how it affects objects in motion.
• Identify real-world examples of gravitational effects.
• Explain the importance of gravity in the solar system and galaxies.

Learning Objectives

• Describe the four main tissue types and the role each plays in the body.
• Compare how epithelial, connective, muscle, and nervous tissues contribute to organ function.
• Use tissue vocabulary (e.g., epithelial, connective, muscle, nervous, extracellular matrix) to explain real-world examples.

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

• Understand different prototyping approaches including scaled physical models, digital finite-element models, and laboratory load rigs.
• Compare the advantages and limitations of each prototyping method for assessing strength, stiffness, and failure modes.
• Identify instrumentation techniques such as strain gauges and displacement transducers used to quantify structural responses.+ Show more

Learning Objectives

• Understand the processes that form different types of rocks within the rock cycle
• Identify the main stages of sedimentary stratigraphy
• Explain how fossils serve as evidence of Earth's history+ Show more

Learning Objectives

• Analyze the societal, economic, and environmental impacts of various technologies.
• Evaluate short- and long-term consequences of technological development.
• Identify ethical considerations and trade-offs involved in implementing new technologies.+ 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