Grade 7 Science Worksheets

Learning Objectives

• Understand how data is organized in tables with proper units and labels.
• Interpret graphs by analyzing trends, clusters, and relationships.
• Compare data groups by examining the shape and direction of data patterns.+ Show more

Learning Objectives

• Define a science/engineering design problem using clear criteria and measurable success targets
• Identify constraints as limits related to materials, safety, time, and cost
• Translate real-world needs into quantitative performance metrics and acceptable boundaries

Learning Objectives

• Describe how stratification, oxygen gradients, and light penetration form in lakes and ponds
• Explain how abiotic gradients shape community composition and vertical zonation
• Predict how seasonal turnover changes dissolved oxygen, nutrients, and habitat suitability+ Show more

Learning Objectives

• Explain how the Sun’s energy, atmospheric circulation, and water distribution contribute to Earth’s climate.
• Describe how ocean processes can modify regional climate by changing how heat is stored and released.
• Use cause-and-effect reasoning to predict how changes in climate drivers can shift patterns like drought or wet seasons.

Learning Objectives

• Define acceleration and explain its meaning.
• Differentiate between constant and changing acceleration.
• Understand how force and mass affect acceleration.

Learning Objectives

• Identify the parts of a scientific evidence argument: observation, evidence, claim, and reasoning
• Use data values or graph features to connect evidence to a claim
• Evaluate whether an argument is supported by evidence and scientific principles, not unsupported cause-and-effect+ Show more

Learning Objectives

• Understand the concepts of static and kinetic friction and their effects on motion.
• Identify examples of friction and aerodynamic drag in real-world scenarios.
• Describe how surface texture and normal force influence the coefficient of friction.+ Show more

Learning Objectives

• Understand how to interpret data from graphs and observations in scientific contexts.
• Learn to support scientific claims with specific data references.
• Explain how evidence justifies scientific reasoning.+ Show more

Learning Objectives

• Describe how pressure, volume, and temperature interdependently affect gases.
• Explain phenomena such as diffusion and compressibility in gases.
• Relate macroscopic observations to the qualitative relationships among gas variables.

Learning Objectives

• Identify sources of nutrient pollution from agriculture
• Understand how nutrient runoff affects water quality
• Analyze the ecological impacts of nutrient pollution+ Show more

Learning Objectives

• Understand the concept of homologous and analogous structures.
• Identify examples of homologous structures in different species.
• Recognize vestigial organs and their significance.+ Show more

Learning Objectives

• Explain how internal and external processes shape Earth’s surface
• Identify surface-process evidence such as rock strata, landforms, and hazard-history patterns
• Use relationships between rock layers and landforms to infer past events

Learning Objectives

• Understand how tectonic uplift influences landscape formation.
• Identify the processes involved in landscape changes over geologic time.
• Explain the roles of erosion, weathering, and sediment transport in shaping topography.

Learning Objectives

• Explain how temperature relates to the average random kinetic energy of particles.
• Describe how thermal energy depends on both particle motion and the number of particles.
• Use the idea of a molecular speed distribution to interpret temperature differences and heat transfer.

Learning Objectives

• Define acceleration and explain how it relates to changes in velocity.
• Describe how force and mass influence acceleration in objects.
• Identify patterns of constant and changing acceleration from velocity data.+ Show more

Learning Objectives

• Understand how building orientation influences energy efficiency
• Identify passive solar gain strategies
• Recognize the importance of thermal barriers and ventilation systems+ Show more

Learning Objectives

• Explain how system models trace energy pathways and identify where energy is transformed or transferred.
• Use energy accounting to relate energy inputs, useful outputs, and waste heat in mechanical and industrial systems.
• Interpret Sankey-style energy flow diagrams to estimate efficiency and dominant loss mechanisms.+ Show more

Learning Objectives

• Identify biotic and abiotic components of ecosystems and explain how they interact.
• Describe how energy enters an ecosystem through primary producers and moves through feeding relationships.
• Explain why both living organisms and nonliving factors are needed for ecosystem structure and function.

Learning Objectives

• Define states of matter as different arrangements of particles and different energy regimes
• Describe common phase changes: melting, freezing, vaporization, condensation, and sublimation
• Explain how temperature and pressure influence phase transitions and relate them to properties such as density and viscosity+ Show more

Learning Objectives

• Understand the concepts of exponential and logistic growth in populations.
• Identify factors affecting population dynamics, including density-dependent and independent factors.
• Interpret how different models predict population changes over time.

Learning Objectives

• Understand how internal structures support organism survival, growth, and reproduction.
• Identify external features that aid protection, feeding, and movement in organisms.
• Explain the functional relationships between traits and resource acquisition, balance, and reproduction.

Learning Objectives

• Identify different landforms created by tectonic activity
• Understand how tectonic movements shape Earth's surface
• Learn about the processes of weathering, erosion, and deposition+ Show more

Learning Objectives

• Understand various methods of organizing and displaying data to identify trends and relationships.
• Select appropriate graph types for different data sets and interpret their features.
• Calculate summary statistics such as mean and median to analyze data sets.+ Show more

Learning Objectives

• Explain how heat transfers from warmer regions to cooler regions using conduction, convection, and radiation models.
• Use a simple heat-transfer model to predict the direction of energy flow based on temperature differences.
• Describe how energy can change form while heat moves through a system.

Learning Objectives

• Understand the processes that cause rapid and gradual geologic changes.
• Identify evidence of geologic hazards such as faults, lava flows, and sediment layers.
• Explain how plate tectonics contributes to earthquakes and volcanic activity.+ Show more

Learning Objectives

• Identify the key phases shown on a temperature–time heating curve for a pure substance
• Explain why temperature stays constant during melting and boiling plateaus
• Connect energy transfer to particle arrangement changes during phase changes+ Show more

Learning Objectives

• Define and differentiate morphological, physiological, and behavioral adaptations in plants and animals.
• Identify examples of adaptations such as camouflage, water-storage tissues, and migratory behaviors.
• Explain how specific traits increase survival and reproductive success in particular habitats.+ Show more

Learning Objectives

• Distinguish homogeneous and heterogeneous mixtures and identify examples of each
• Explain solubility, concentration, and saturation using evidence from observations and simple scenarios
• Differentiate solutions, colloids, and suspensions based on particle size and whether particles separate+ Show more

Learning Objectives

• Understand how human activities influence Earth's atmosphere and other spheres
• Identify cause-and-effect relationships related to fossil fuel burning
• Analyze the feedback mechanisms resulting from environmental changes

Learning Objectives

• Explain how biodiversity contributes to ecosystem stability
• Describe how overlapping ecological roles can buffer ecosystems against disturbances
• Identify ways habitat loss and invasive species can reduce biodiversity and increase vulnerability+ Show more

Learning Objectives

• Identify how stratigraphic layers and index fossils help scientists interpret the fossil record over geologic time.
• Explain how transitional fossils provide evidence for anatomical change and lineage continuity.
• Compare evidence for macroevolutionary patterns such as radiation events and mass extinctions.

Learning Objectives

• Identify and describe different physical properties of matter such as color, texture, state, and density.
• Understand how properties can be used to classify different substances.
• Recognize examples of physical properties in everyday objects.

Learning Objectives

• Define acceleration as the rate of change of velocity, including direction (positive or negative).
• Explain how mass (inertia) affects acceleration when the same net force acts on different objects.
• Identify constant vs. changing acceleration from how velocity changes over time.+ Show more

Learning Objectives

• Understand the different types of filtration techniques used in science.
• Identify various filtration materials and pore sizes.
• Explain how filtration separates heterogeneous mixtures like suspensions and precipitates.+ Show more

Learning Objectives

• Explain how matter (atoms of elements like carbon and nitrogen) cycles through ecosystems between living and nonliving components.
• Describe major pathways for matter cycling, including photosynthesis, respiration, feeding, decomposition, and transport in soil and water.
• Differentiate energy flow from matter cycling by recognizing that energy moves mainly one direction from the Sun.

Learning Objectives

• Understand the concept of thermal conductivity and factors affecting it.
• Compare thermal behavior of common Alberta construction materials.
• Analyze how porosity, moisture, and layering impact thermal resistance.+ Show more

Learning Objectives

• Explain how energy transfers from higher-energy objects or systems to lower-energy ones
• Describe how energy can change form during a transfer (energy transformation)
• Connect energy transfers to observable effects such as temperature change, motion, or light emission

Learning Objectives

• Explain the technological design process as an iterative cycle: define the problem, set criteria and constraints, brainstorm, prototype, evaluate, and optimize.
• Use criteria and constraints to justify design decisions and to compare trade-offs between competing goals.
• Describe how measurements and performance metrics guide refinement of prototypes over multiple iterations.

Learning Objectives

• Understand the concept of chemical properties
• Identify different chemical properties of substances
• Describe observable signs of chemical reactions+ Show more

Learning Objectives

• Explain the process of heat conduction in solids.
• Identify materials with high and low thermal conductivity.
• Describe how conduction impacts everyday engineering structures.+ Show more

Learning Objectives

• Understand the causes and effects of deforestation and habitat loss
• Identify human activities that lead to habitat fragmentation
• Explain how habitat destruction impacts biodiversity and ecosystem functions

Learning Objectives

• Explain how fair tests keep all variables the same except the intended design variable.
• Select appropriate measurement tools and explain why units and scales matter.
• Describe how consistent testing procedures help attribute differences to the design rather than the setup.

Learning Objectives

• Explain how conservation of mass applies to closed-system chemical reactions.
• Use mass accounting to relate reactant masses to product masses.
• Interpret theoretical vs. measured mass distributions to assess reaction completeness.+ Show more

Learning Objectives

• Explain how diffusion, osmosis, and active transport move substances across a selectively permeable cell membrane
• Distinguish passive transport from active transport using energy and concentration-gradient direction
• Describe how membrane proteins help regulate movement and maintain ion balance

Learning Objectives

• Understand the components of forces acting on inclined planes
• Identify parallel and perpendicular force components relative to the slope
• Calculate the mechanical advantage of inclined planes+ Show more

Learning Objectives

• Explain how matter (atoms) is conserved as it moves through organisms during digestion, biosynthesis, and respiration
• Trace how carbon and nitrogen from food become cellular macromolecules and then return to the environment as CO2 or nitrogenous waste
• Use biochemical vocabulary (macromolecule, digestion, respiration) to describe transformation of atoms across living systems

Learning Objectives

• Understand the concept of net force and how it determines motion.
• Learn to interpret free-body diagrams for systems such as elevators, tug-of-war, and carts on ramps.
• Apply vector addition and equilibrium conditions to solve for net force in one dimension.+ Show more

Learning Objectives

• Describe how tensile, compression, and bending tests reveal different material behaviors.
• Explain how non-destructive testing (ultrasonic and hardness) helps detect material variability and defects.
• Identify how anisotropy, strain localization, and safety factors influence design decisions for real structures.