Grade 7 Science Worksheets

Learning Objectives

• Explain how pressure in a gas changes when force is applied to the container.
• Describe how temperature and volume influence gas pressure and movement.
• Identify phenomena like diffusion and compressibility in gases through observation.+ Show more

Learning Objectives

• Explain how test results guide specific design revisions using success criteria and evidence.
• Identify examples of design changes that improve performance while respecting constraints (safety, materials, and cost).
• Describe how to justify revisions by linking measurements to the cause of failure and expected improvement.

Learning Objectives

• Understand the concept of biodiversity and its different components.
• Learn about indices used to measure biodiversity, such as richness, evenness, and habitat heterogeneity.
• Interpret what various biodiversity metrics reveal about ecosystem resilience and health.+ Show more

Learning Objectives

• Understand the structure and function of mitochondria in energy production.
• Describe how mitochondria convert carbohydrates and fats into usable energy (ATP).
• Explain the significance of mitochondrial variations in different cell types.+ Show more

Learning Objectives

• Explain how fitness relates to survival and reproduction in a particular environment
• Describe how environmental conditions can change selection pressures and favor different traits
• Connect fitness to heritable variation and how populations can change over time

Learning Objectives

• Explain how predator-prey interactions create population feedback loops in ecosystems.
• Use cause-and-effect reasoning to predict how changes in predator or prey populations affect other species.
• Identify the main idea of short ecological paragraphs and match them to appropriate captions.+ Show more

Learning Objectives

• Explain why internal nutrient transport is necessary for organism survival and cell function.
• Describe how nutrients move from the digestive system (or source tissues) to body tissues that use them.
• Compare nutrient transport in animals and plants using basic systems vocabulary.+ Show more

Learning Objectives

• Learn how to interpret and analyze distance–time graphs.
• Understand what the slope of a distance–time graph indicates about speed.
• Identify different types of motion from graphical data.+ Show more

Learning Objectives

• Identify and describe the six types of simple machines and their functions.
• Calculate mechanical advantage for different simple machines using given data.
• Explain how simple machines alter force and direction to make work easier.+ Show more

Learning Objectives

• Understand the causes of urban heat islands.
• Identify how surface materials, vegetation, and human activities contribute to urban heat.
• Explore mitigation strategies to reduce urban heat effects.+ Show more

Learning Objectives

• Identify the parts of an inclined plane
• Understand how force components work on an inclined plane
• Calculate mechanical advantage of inclined planes+ Show more

Learning Objectives

• Explain how waves transfer energy without permanently moving matter.
• Differentiate transverse and longitudinal waves using particle motion and wave features.
• Relate amplitude and wavelength to the energy and pattern of a wave.

Learning Objectives

• Explain the design process from requirements and constraints to concept generation and solution selection.
• Describe how performance objectives (like load capacity, stiffness, and serviceability) guide engineering decisions.
• Use criteria and trade-off reasoning (including decision matrices and sketches) to compare design alternatives.

Learning Objectives

• Explain how water, storms, earthquakes, and volcanic activity change Earth’s surface in both gradual and sudden ways
• Describe how erosion and sediment deposition reshape local landforms
• Identify evidence of surface change processes in real-world landscapes

Learning Objectives

• Explain how design criteria and constraints guide the success of a science/engineering solution.
• Identify examples of measurable criteria and relevant constraints in everyday design problems.
• Use criteria and constraints to evaluate whether a proposed solution is acceptable.

Learning Objectives

• Understand the mechanisms of heat transfer: conduction, convection, and radiation.
• Identify examples of heat transfer in everyday life.
• Describe how temperature changes indicate heat transfer.+ Show more

Learning Objectives

• Understand key concepts of measurement accuracy and precision.
• Identify sources of systematic and random errors in measurements.
• Apply significant figures and calibration techniques to experimental data.+ Show more

Learning Objectives

• Understand the concept of trophic levels in a food web
• Identify producers, consumers, and top predators
• Explain how energy decreases as it moves through the trophic levels+ Show more

Learning Objectives

• Understand the various types of structural connections such as bolted, welded, and bearing.
• Identify the roles of joints in load transfer, redundancy, and stability of structures.
• Describe shear, bearing, and slip phenomena at connections.+ Show more

Learning Objectives

• Understand what habitat fragmentation is and how it affects ecosystems.
• Identify concepts like edge effects, connectivity, and biodiversity loss related to habitat fragmentation.
• Explain the impact of fragmentation on species interaction, gene flow, and extinction risk.+ Show more

Learning Objectives

• Differentiate direct observations from interpretations in scientific explanations
• Use data features such as units, scales, and graphs to support claims
• Explain how independent trials and evidence agreement increase confidence in conclusions+ Show more

Learning Objectives

• Use probability to predict expected genotype and phenotype ratios from a monohybrid cross
• Connect Punnett square outcomes to the likelihood of offspring inheriting specific alleles
• Explain how larger populations tend to better match expected genetic ratios+ Show more

Learning Objectives

• Understand the role of oral histories and place-based knowledge in ecological understanding.
• Identify examples of stewardship and land-use practices from Indigenous communities in Alberta.
• Recognize the importance of integrating different knowledge systems for interpreting environmental patterns.+ Show more

Learning Objectives

• Compare common temperature-measuring instruments (liquid-in-glass, bimetallic, and digital) by how they work and when they are appropriate.
• Explain Celsius scale conventions, including fixed points and why calibration is necessary.
• Describe how thermal contact and environmental factors (radiation and air flow) can affect temperature readings.+ Show more

Learning Objectives

• Understand how to calculate average speed using distance and time data.
• Distinguish between average speed and instantaneous speed through examples.
• Convert speed units between meters per second and kilometers per hour.+ Show more

Learning Objectives

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

Learning Objectives

• Identify standard units and explain why instrument choice affects measurement accuracy and precision.
• Read measurement scales correctly and estimate uncertainty from the smallest scale division.
• Distinguish systematic error from random error and describe how each affects repeated measurements.+ Show more

Learning Objectives

• Understand the process of converting natural resources into synthetic materials.
• Identify key steps such as feedstock selection, polymerization, and refining.
• Describe examples like polyethylene, PET, and nylon synthesis.+ Show more

Learning Objectives

• Explain how predator and prey populations can change over time due to cause-and-effect feedback.
• Use population dynamics vocabulary (predator, prey, growth, decline, community composition) to describe ecological cycles.
• Predict how changes in one species can ripple to other organisms in a community.

Learning Objectives

• Explain how devices convert energy from one form to another while conserving total energy.
• Describe unavoidable thermal energy losses and how they affect efficiency qualitatively.
• Use energy accounting across a sequence of conversions to predict where energy goes.

Learning Objectives

• Explain how inventions become innovations through diffusion and incremental improvements over time.
• Identify factors that enable invention, such as a specific need, available materials, and design choices informed by observation.
• Distinguish innovation from invention by describing cumulative modification across technological lineages.

Learning Objectives

• Define gravity and explain its role in the solar system.
• Describe how gravity influences the orbit of planets and other celestial bodies.
• Identify examples of gravitational effects on objects on Earth and in space.

Learning Objectives

• Identify and describe major species interactions (predation, competition, parasitism, mutualism, commensalism) using examples from terrestrial and aquatic ecosystems.
• Explain how direct and indirect effects in food webs can cause cascading changes in community structure.
• Use evidence-based causal reasoning to connect species behavior and resource use (e.g., niche partitioning) to changes in interaction strength.

Learning Objectives

• Describe how magma composition and eruption style affect volcanic landforms.
• Identify different types of volcanoes and their characteristic features.
• Explain the tectonic settings that produce various volcanic structures.+ Show more

Learning Objectives

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

Learning Objectives

• Explain ethical responsibilities in STEM, including data integrity, attribution, and intellectual property.
• Apply appropriate communication practices for technical reports, figures, and claims about reliability and applicability.
• Evaluate how equitable access and responsible data sharing affect communities and future research.

Learning Objectives

• Explain how ecological inquiry uses questions, observations, and evidence to evaluate relationships in ecosystems.
• Identify measurable variables and justify why they are chosen within defined limits.
• Interpret ecological data while considering natural variability and human impacts.

Learning Objectives

• Explain how technologies can create both benefits and costs for society and the environment
• Identify ethical considerations such as fairness, privacy, and responsibility across a product’s life cycle
• Connect engineering design choices to real-world consequences for people and ecosystems+ Show more

Learning Objectives

• Summarize common human impacts on ecosystems, including habitat alteration, pollution, resource extraction, and non-native species.
• Explain consequences of human impacts for species composition, ecosystem functions, and long-term resilience.
• Describe core stewardship principles such as mitigation, habitat protection, restoration priorities, and evidence-based monitoring.

Learning Objectives

• Distinguish ionic and covalent bonding using particle-level evidence (ions vs. electron sharing).
• Relate bonding type to macroscopic properties such as melting point, solubility, and electrical conductivity.
• Use empirical formula ideas to explain simple formation of binary ionic salts and molecular compounds.+ Show more

Learning Objectives

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

Learning Objectives

• Compare design alternatives using clear criteria and constraints.
• Justify a final design choice by linking each criterion to expected outcomes.
• Explain how tradeoffs and iterative refinement help keep constraints satisfied.+ Show more

Learning Objectives

• Understand the fundamental components of a scientific inquiry, including questions, hypotheses, and variables.
• Recognize the importance of measurement precision, documentation, and safety procedures in laboratory settings.
• Identify ethical considerations in data reporting and the role of peer review in ensuring reliability.+ Show more

Learning Objectives

• Explain how physical separation can separate components of oil sands using density and particle size.
• Describe how chemical treatment and temperature changes affect emulsions and dissolved organics.
• Classify processing steps as physical versus chemical changes in bitumen extraction.

Learning Objectives

• Understand the systematic approaches used in ecological inquiry.
• Identify key variables and evidence used to interpret ecological data.
• Analyze local examples such as riparian health of the Bow River.+ Show more

Learning Objectives

• Explain how filtration and sedimentation separate mixtures using particle size, shape, and phase differences.
• Describe how porous media and pore size affect flow behavior during filtration.
• Identify the limitations of filtration for dissolved solutes and fine particles like colloids.+ Show more

Learning Objectives

• Understand the key functions of wetlands including water storage, nutrient cycling, habitat provision, and sediment filtration.
• Identify different wetland types and their specific roles in regional ecosystems.
• Analyze how wetland processes contribute to landscape water regulation and biodiversity preservation.+ Show more

Learning Objectives

• Understand the concept of balanced forces and static equilibrium.
• Identify examples of static and dynamic equilibrium in real-life structures.
• Interpret force diagrams and graphical representations of force pairs.+ Show more