Grade 7 Science Worksheets

Learning Objectives

• Understand the concept of individual organisms and their traits.
• Identify different levels of ecological organization from individuals to ecosystems.
• Recognize examples of ecological levels in Alberta, such as trout and river ecosystems.+ Show more

Learning Objectives

• Explain how matter moves through ecosystems using nutrient cycles (carbon, nitrogen, and phosphorus).
• Describe the roles of photosynthesis, respiration, decomposition, and bacteria in nutrient transformations.
• Use nutrient-cycle ideas to explain how limiting nutrients affect ecosystem productivity.

Learning Objectives

• Understand different methods to separate mixtures based on properties
• Identify properties such as density and solubility that influence separation techniques
• Distinguish between physical changes and chemical changes in matter+ Show more

Learning Objectives

• Explain how pure substances have uniform composition and characteristic physical and chemical properties.
• Differentiate elements and compounds based on composition and how they can be identified.
• Use physical and chemical test ideas to interpret how mixtures may show deviations from pure-substance benchmarks.+ Show more

Learning Objectives

• Understand the concept of specific heat capacity and its significance in thermal processes.
• Perform calculations involving mass, specific heat, and temperature change to estimate energy transfer.
• Recognize units used in heat capacity calculations and convert between Joules, kilojoules, grams, and degrees Celsius.+ Show more

Learning Objectives

• Explain how birth rate, death rate, immigration, and emigration affect population size over time.
• Describe how resource availability and abiotic constraints influence where populations can persist.
• Interpret population trend ideas to explain local extirpations or expansions.+ Show more

Learning Objectives

• Explain conservation of mass in a sealed system using cause-and-effect language.
• Identify how inputs and outputs relate to total mass in a closed container.
• Use mass accounting ideas to predict what should happen to product mass when no matter can enter or leave.

Learning Objectives

• Identify features associated with divergent boundaries.
• Understand the processes that create mid-ocean ridges and rift valleys.
• Recognize the role of magma upwelling in landform development.+ Show more

Learning Objectives

• Explain how to frame an ecological question and form a testable hypothesis
• Identify measurable variables and describe how data supports or challenges a hypothesis
• Interpret ecological data while accounting for natural variability+ Show more

Learning Objectives

• Translate distance–time and speed–time data into correctly labeled graphs and interpret what the curves mean
• Use slope to explain changes in motion, including how faster speeds relate to steeper lines on graphs
• Determine average and instantaneous rates from motion graphs and connect these to real situations

Learning Objectives

• Identify natural records that show past climate changes
• Understand how ice cores, sediment layers, and tree rings reflect climate history
• Explore how long-term drivers influence Earth's climate system

Learning Objectives

• Define invasive species and describe their characteristics.
• Explain how invasive species affect native ecosystems.
• Identify ecological consequences caused by invasive species.+ Show more

Learning Objectives

• Understand how waves transfer energy without moving matter permanently.
• Differentiate between transverse and longitudinal waves based on particle motion.
• Explain the relationship between amplitude, wavelength, and energy in waves.+ Show more

Learning Objectives

• Explain how observations and data support a scientific claim using a clear reasoning chain.
• Identify evidence that includes specific values, graph features, or direct observations.
• Revise an argument to reduce unsupported cause-and-effect claims and address limitations.

Learning Objectives

• Explain how measurement tool resolution and repeated trials affect uncertainty in data.
• Identify when two results are meaningfully different based on overlap of uncertainty ranges.
• Use uncertainty ideas to support whether a conclusion is strong or tentative.

Learning Objectives

• Explain how different types of models help make predictions about natural phenomena
• Use a diagram model to describe what an observer on Earth can see during lunar phases
• Apply model assumptions to predict outcomes under new conditions

Learning Objectives

• Define a control and a comparison condition in an experiment
• Explain why multiple variables must be kept the same except the targeted variable
• Describe how consistent timing, calibration, and standardized handling support credible data+ Show more

Learning Objectives

• Describe different types of volcanic landforms and their formation processes.
• Explain how magma composition and eruption style influence landform development.
• Identify tectonic settings associated with various volcanic features.+ Show more

Learning Objectives

• Compare weather and climate using short-term vs. long-term data patterns.
• Interpret weather data by connecting variables such as temperature, humidity, and precipitation.
• Explain how pressure changes and air-mass movement can help predict patterns over time and location.+ Show more

Learning Objectives

• Explain how births, deaths, immigration, and emigration change population size
• Use population density and distribution patterns to predict how individuals interact
• Describe how reproductive capacity and survival affect growth rates+ Show more

Learning Objectives

• Explain conservation of energy using the idea of energy transfer between a system and its surroundings
• Identify how energy transformations explain changes in temperature and motion
• Use energy forms (kinetic, potential, thermal) to describe real-world examples such as friction

Learning Objectives

• Explain how conduction transfers kinetic energy through solids and across interfaces.
• Compare conductivity in different materials and predict how temperature gradients form.
• Describe how contact resistance and material continuity affect heat flow in building envelopes and infrastructure.

Learning Objectives

• Identify and describe competition, predation, and symbiosis as ecological interaction types.
• Explain how species interactions affect population sizes and resource availability over time.
• Match key terms to accurate definitions related to ecological interactions.

Learning Objectives

• Identify the four main Earth system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how water, gases, and rocks move among Earth's spheres.
• Describe how changes in one sphere can affect others, such as climate and ecosystems.+ Show more

Learning Objectives

• Understand the definition of a population in biology.
• Identify factors that influence changes in population size.
• Learn about core metrics such as population density and distribution.+ Show more

Learning Objectives

• Identify the main idea and key details about ecological organization at the organism level
• Distinguish traits of individual organisms from patterns that show up at higher levels
• Explain how a trait in an individual may or may not predict what happens in a population

Learning Objectives

• Define and identify various physical properties such as density, melting point, and solubility.
• Understand how physical properties are used to classify and identify substances.
• Compare different materials based on their measurable attributes to support analysis and separation.

Learning Objectives

• Describe how magma is generated and the processes involved.
• Explain how cooling rates influence the texture and mineral composition of igneous rocks.
• Identify different types of igneous rocks and their formation environments.+ Show more

Learning Objectives

• Explain how tool resolution and measurement technique affect measurement accuracy.
• Describe how repeated measurements create a spread that represents uncertainty.
• Use ranges, overlap, or error estimates to judge whether differences are meaningful.

Learning Objectives

• Understand how human activities impact Earth's spheres.
• Identify feedback mechanisms involving Earth's systems.
• Analyze examples of human-induced environmental changes.+ Show more

Learning Objectives

• Explain how disturbances can change habitat, resource timing, and species presence
• Describe how population sizes can shift and communities can reorganize after a disturbance
• Use population growth and decline patterns to predict possible stability outcomes+ Show more

Learning Objectives

• Explain how radiant transfer moves energy using electromagnetic waves without needing matter contact.
• Describe how solar radiation intensity, surface absorptivity, and emissivity affect net radiative heating and cooling.
• Apply emissivity and absorptivity ideas to predict daytime warming and nocturnal cooling of landscapes and buildings.

Learning Objectives

• Understand the key components that make up an ecosystem.
• Identify the interactions between living organisms and their environment.
• Explain how energy flows through an ecosystem from producers to consumers.+ Show more

Learning Objectives

• Understand the concept of radiant transfer and how it conveys energy through electromagnetic waves.
• Identify the factors that influence radiative heating, including solar radiation intensity, surface absorptivity, and emissivity.
• Analyze how solar angles and surface conditions affect radiative balances in different environments.+ Show more

Learning Objectives

• Explain how external features and internal systems help organisms survive in their environments.
• Identify functional relationships between traits and survival needs such as protection, feeding, and movement.
• Use evidence from a text passage to fill in key vocabulary about survival structures.

Learning Objectives

• Explain how energy decreases at each trophic level in a food web.
• Describe why only a fraction of energy becomes available to the next level.
• Use trophic energy limits to predict patterns in food-chain length and biomass.

Learning Objectives

• Explain how inclined planes change the effective force needed to move loads.
• Describe the components of force parallel and perpendicular to an inclined plane.
• Calculate the mechanical advantage of ramps and inclined planes based on input force and load.+ Show more

Learning Objectives

• Understand the basic characteristics of solids, liquids, and gases
• Identify differences in particle arrangement, spacing, and movement for each state
• Explore how temperature and pressure affect state changes+ Show more

Learning Objectives

• Explain the law of conservation of mass in a closed system during physical and chemical changes.
• Use the idea of atoms being rearranged to predict whether total mass changes when no matter enters or leaves.
• Identify evidence from sealed-container observations that supports conservation of mass.

Learning Objectives

• Explain how kinetic and potential energy are related to motion using elevation, mass, and speed.
• Describe energy transfer and conservation in mechanical systems without creating or destroying energy.
• Use qualitative reasoning to predict how changing height or speed affects mechanical energy.+ Show more

Learning Objectives

• Understand the difference between closed and open systems in terms of matter transfer.
• Recognize how system boundaries influence observed mass during reactions.
• Identify examples of closed and open systems in real-world scenarios.+ Show more

Learning Objectives

• Explain how engineered systems transfer motion or force from an input to an output.
• Describe how gears and gear ratios affect speed and torque in a hand-cranked device.
• Match common mechanisms (lever, pulley, linkage, gear) with their functions and where they are used.+ Show more

Learning Objectives

• Explain how orogeny forms mountains through crustal shortening, thickening, and uplift at convergent plate boundaries.
• Describe how different plate interactions (continental collision and subduction) produce distinct mountain-belt features.
• Connect erosion and isostatic adjustment to how mountain landscapes change over time.

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 how energy decreases as it moves through trophic levels in a food web.
• Identify the roles of producers and consumers in energy transfer.
• Explain why food chains are typically short and biomass varies with trophic position.+ Show more

Learning Objectives

• Understand what microscopic particle motion is
• Recognize how particle movement relates to temperature and thermal energy
• Identify differences in particle motion in various materials+ Show more

Learning Objectives

• Understand the different types of organism interactions in a community.
• Identify examples of competition, predation, and symbiosis.
• Explain how these interactions affect resource availability and population dynamics.+ Show more

Learning Objectives

• Define radiant transfer and understand how it conveys energy through electromagnetic waves.
• Identify factors influencing radiative heating in different environments.
• Explain how surface properties like absorptivity and emissivity affect local microclimates.+ Show more