Grade 7 Science Worksheets

Learning Objectives

• Explain inertia using Newton’s First Law and predict how motion changes when a net force acts
• Use Newton’s Second Law to describe how acceleration depends on net force and mass
• Identify action–reaction pairs and predict how forces between objects affect motion+ Show more

Learning Objectives

• Explain how birth rate, death rate, immigration, and emigration affect population size and distribution
• Describe how resource availability and abiotic constraints can limit population growth in ecosystems
• Use examples from different biomes to predict how populations may fluctuate over time+ Show more

Learning Objectives

• Translate distance–time and speed–time data into motion graphs and interpret what the graph shows.
• Explain how slope relates to rate of change in motion graphs and how to find average speed from distance–time graphs.
• Use graphs to estimate instantaneous speed and to compare two motions using quantitative evidence.

Learning Objectives

• Describe how material properties such as strength, stiffness, density, and durability affect load-bearing design
• Explain how materials behave under compression, tension, and bending and why that matters for long-term performance
• Evaluate material choices for frost and snow resilience in a Canadian prairie climate

Learning Objectives

• Identify signs of physical changes using evidence such as phase transitions, shape changes, dissolution, and consistent mass in closed systems.
• Explain how particle rearrangement and energy changes can cause observable changes without changing chemical identity.
• Distinguish physical change indicators from signs that would suggest a chemical change.

Learning Objectives

• Describe common observable indicators of chemical reactions, such as gas production, heat change, colour shifts, and precipitate formation.
• Connect specific observations to likely reaction pathways and what they may suggest about particles and mass changes.
• Use precise scientific language to record observations and distinguish between qualitative evidence and explanations.

Learning Objectives

• Explain how building design choices affect thermal performance across Alberta climate zones
• Identify strategies that reduce unwanted heat transfer (thermal bridging, air leakage) and support passive solar gains
• Compare trade-offs between upfront materials, operational energy, and occupant comfort in different building contexts

Learning Objectives

• Explain the difference between genotype and phenotype using genetics vocabulary
• Predict how dominant and recessive alleles can lead to observable traits
• Describe how environmental factors can influence phenotype even when genotype is the same

Learning Objectives

• Explain how meiosis produces genetically different reproductive cells
• Describe how crossing over and independent assortment increase genetic variation
• Connect genetic variation from meiosis to why siblings are not identical and to evolution over time

Learning Objectives

• Explain how natural selection changes trait frequencies in a population over many generations.
• Describe the difference between heritable traits and traits gained during an individual’s lifetime.
• Use examples (such as antibiotic resistance) to identify variation, selection, survival, and reproduction.

Learning Objectives

• Explain what air masses are and how their temperature and moisture help determine weather.
• Describe how fronts form when air masses with different properties meet.
• Compare the typical weather effects of cold fronts and warm fronts.+ Show more

Learning Objectives

• Explain how latitude affects the angle of incoming sunlight and changes temperature patterns.
• Describe how elevation and distance from water influence temperature and precipitation.
• Use ocean currents and climate examples to connect multiple climate drivers to regional weather differences.

Learning Objectives

• Explain how gravity and water-driven forces contribute to mass wasting and coastal erosion.
• Describe how heavy rain and slope stability affect the likelihood of landslides.
• Identify how waves and storm surge reshape coastlines over time.

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

• Explain how density links mass to volume and why it helps identify materials.
• Use the relationship between density, mass, and volume to interpret and solve problems.
• Distinguish intensive from extensive properties by comparing density across samples.

Learning Objectives

• Differentiate between mass and weight and explain how weight changes with gravity.
• Describe how gravity affects the motion of falling objects near Earth.
• Use evidence from comparing objects with different masses to support ideas about net force and motion.

Learning Objectives

• Differentiate physical changes from chemical changes based on observable evidence.
• Identify indicators of chemical change such as color change, gas production, precipitate formation, and temperature change.
• Apply particle and matter concepts to predict whether a process is likely physical or chemical.

Learning Objectives

• Explain how energy transfers through conduction, convection, and radiation using everyday examples
• Compare how energy moves in solids, liquids, and gases for each transfer mechanism
• Describe how energy can transform from one form to another (chemical, electrical, thermal, light)+ Show more

Learning Objectives

• Explain how measurable data can support a scientific claim.
• Distinguish direct observations from interpretations in evidence-based reasoning.
• Use units, scales, and comparable methods to evaluate the reliability of conclusions.

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

• Identify biotic and abiotic components of an ecosystem and give examples of each
• Explain how energy flows from primary producers to consumers through feeding relationships
• Describe how abiotic factors influence growth, reproduction, and survival of organisms+ Show more

Learning Objectives

• Identify how competition, predation, and mutualism affect population sizes and community composition
• Explain how resource use overlap can lead to competitive exclusion and how niches allow coexistence
• Use examples to predict likely outcomes for population trajectories under different interaction types

Learning Objectives

• Distinguish between producers and consumers in a food web using trophic roles.
• Explain how energy transfer through trophic levels affects energy pyramids.
• Identify primary, secondary, and tertiary consumers and predict their relationships.

Learning Objectives

• Explain how active transport moves substances against a concentration gradient using cellular energy and membrane proteins.
• Describe the sodium-potassium pump and its role in maintaining electrochemical gradients for nerve and muscle function.
• Compare active transport with passive diffusion and identify examples of vesicular transport (endocytosis and exocytosis).

Learning Objectives

• Explain how diffusion and osmosis are passive transport processes driven by concentration differences.
• Distinguish diffusion from osmosis using the role of semipermeable membranes and water movement.
• Predict how concentration gradients and environmental factors affect the rate of diffusion and osmosis.+ Show more

Learning Objectives

• Explain how cells, tissues, and organ systems work together to maintain homeostasis in the human body.
• Describe how transport proteins and membrane pumps regulate nutrient levels, ion concentrations, and water balance.
• Connect hormone signaling and coordinated transport processes to maintaining stable internal conditions (such as blood glucose).

Learning Objectives

• Explain how mitochondria convert energy in cells through cellular respiration to produce ATP.
• Describe the roles of electron transport chains and membrane gradients in ATP synthesis.
• Relate mitochondrial structure (like inner membrane folds) to its function in energy conversion.+ Show more

Learning Objectives

• Explain how the nucleus houses genetic material and how it influences cell activities
• Describe the roles of the nuclear envelope and nuclear pores in regulating traffic between nucleus and cytoplasm
• Connect DNA, genes, transcription, translation, and protein synthesis to nucleus function

Learning Objectives

• Explain how specialized cell structures support specific functions in the body
• Compare red blood cells, neurons, and root hair cells using evidence from their morphology
• Use scientific vocabulary (nucleus, axon, diffusion, surface area, transport) to describe cell functions

Learning Objectives

• Explain how tectonic uplift, volcanic construction, and surface processes work together to shape landforms
• Compare how uplift rates versus erosion rates affect whether topography rises or is worn down
• Describe how climate influences weathering and sediment transport over geologic time+ Show more

Learning Objectives

• Explain how elevated pressure, temperature, and chemically active fluids can change preexisting rocks without complete melting
• Compare contact metamorphism and regional metamorphism based on where they occur and what textures/minerals form
• Use metamorphic minerals and fabric (foliation, recrystallization) to infer metamorphic grade and rock history+ Show more

Learning Objectives

• Explain what chemical properties are and how they help predict reactions.
• Identify observable evidence (gas, color change, heat) that indicates chemical changes.
• Describe how flammability, reactivity with acids or bases, oxidation, and pH behavior are chemical properties.

Learning Objectives

• Distinguish between mixtures and pure substances based on composition and uniformity.
• Classify mixtures as heterogeneous or homogeneous using observable particle patterns.
• Identify physical properties used for separation and match them to appropriate methods.

Learning Objectives

• Define physical change and explain how it differs from chemical change at the particle level.
• Classify common physical changes, including phase changes and shape/appearance changes.
• Use reversible evidence (changing conditions) to justify why a change is physical.

Learning Objectives

• Explain what physical properties are and how they can be measured to help identify substances.
• Describe density, solubility, melting point, and boiling point and use these ideas to predict comparisons.
• Use electrical conductivity and hardness as observable physical properties when sorting materials.

Learning Objectives

• Explain how biodiversity can be described using richness, evenness, and habitat heterogeneity.
• Interpret what biodiversity metrics can reveal about ecosystem resilience and function.
• Use evidence from habitat complexity and species assemblages to make ecological health claims.

Learning Objectives

• Explain what saturation means in a solvent at a specific temperature and pressure
• Describe how supersaturation can lead to crystallization and precipitation
• Identify real-life examples that show solubility limits and phase change behavior

Learning Objectives

• Explain how microscopic particle motion relates to temperature and average random kinetic energy.
• Differentiate between temperature and thermal energy using particle number and phase.
• Use particle-collision ideas to describe how thermal changes can affect pressure.+ Show more

Learning Objectives

• Explain why the total amount of matter stays the same in a closed system during physical and chemical changes
• Use particle-level ideas (atoms and molecules) to describe dissolving, mixing, and chemical reactions
• Interpret evidence from mass measurements to support conservation of matter

Learning Objectives

• Explain how friction opposes relative motion between surfaces and affects net force.
• Predict whether an object speeds up, slows down, or moves at (nearly) constant velocity based on the relationship between applied force and friction.
• Describe how surface texture (smooth vs. rough) changes the size of friction and influences motion.

Learning Objectives

• Explain how gravitational force affects weight and motion near Earth
• Use the relationship between force and acceleration to compare objects with different masses
• Describe how support forces (normal forces) balance gravity when objects are at rest

Learning Objectives

• Explain how forces can be added as a net force using magnitude and direction.
• Distinguish between balanced and unbalanced net forces and predict their effects on velocity.
• Use everyday examples (cart, ball, friction) to describe how changing forces change speed and/or direction.

Learning Objectives

• Explain how energy transfer causes changes of state between solid, liquid, and gas using the particle model
• Describe what happens to particle motion and particle arrangement during melting, freezing, evaporation, and condensation
• Interpret phase-change information to predict temperature behavior during energy transfer

Learning Objectives

• Explain how cooling air leads to cloud formation through condensation and deposition.
• Describe how temperature and moisture conditions determine whether precipitation is rain, snow, sleet, or hail.
• Connect energy changes during phase transitions to local weather patterns.

Learning Objectives

• Explain tradeoffs among freshwater options such as storage, recharge, recycling, and desalination.
• Identify design constraints (quality, infrastructure limits, ecosystem impacts) that affect water-system decisions.
• Use cause-and-effect reasoning to predict how changes in a water system can impact reliability and pollution risk.

Learning Objectives

• Explain how groundwater is stored in aquifers and how it moves through Earth’s subsurface.
• Describe recharge and factors that affect how much groundwater is replenished.
• Evaluate how groundwater pumping and contamination can affect water quantity and water quality over time.

Learning Objectives

• Explain how natural processes and human needs influence the availability of Earth’s resources (land, freshwater, and air).
• Describe how precipitation patterns, groundwater storage, and ecosystem capacity affect access to resources.
• Analyze how droughts and floods, along with human use, can increase stress on shared systems.

Learning Objectives

• Explain how Earth’s tilt and yearly orbit change the Sun’s apparent height and day length.
• Compare seasonal patterns in the Northern and Southern Hemispheres.
• Describe how latitude (distance from the equator) affects the strength of seasonal daylight changes.