Science Worksheets

Learning Objectives

• Explain how faster and slower vibrations affect perceived pitch
• Describe how stronger vibration motions relate to loudness
• Match vocabulary terms to definitions about sound and vibrations+ Show more

Learning Objectives

• Identify protons, neutrons, and electrons in atoms
• Describe the structure of an atom
• Understand electron configurations and energy levels+ Show more

Learning Objectives

• Explain how negative feedback helps stabilize a physiological variable around a set point.
• Describe how positive feedback can amplify changes and why it must be tightly regulated.
• Compare stabilizing versus amplifying feedback loops using real biological examples.+ Show more

Learning Objectives

• Understand the role of promoters and enhancers in gene regulation.
• Identify cis-regulatory elements and their functions.
• Explain how chromatin structure affects gene expression.+ Show more

Learning Objectives

• Explain what measurement uncertainty means and how it limits interpretation of experimental results.
• Represent measurements with uncertainties as ranges and use those ranges to evaluate evidence.
• Determine whether differences between results are meaningful by checking overlap of uncertainty ranges.

Learning Objectives

• Identify how atoms transfer electrons to form ions.
• Explain the electrostatic attraction between ions in ionic bonds.
• Describe the properties of ionic compounds, such as melting points and conductivity.+ Show more

Learning Objectives

• Understand how force interactions lead to changes in kinetic and potential energy during motion.
• Identify real-world examples illustrating energy transfer through force and work.
• Describe qualitative relationships between applied force, displacement, and energy change in mechanical systems.+ Show more

Learning Objectives

• Understand the characteristics that define wetlands.
• Recognize the important ecological functions wetlands perform.
• Identify examples of wetland types such as peatlands and marshes.+ Show more

Learning Objectives

• Understand the concept of linear momentum as the product of mass and velocity.
• Explain impulse as the cause of change in an object's momentum.
• Describe the motion of the center of mass in isolated systems.+ Show more

Learning Objectives

• Understand the concept of reference frames and their role in describing motion
• Interpret position, displacement, velocity, and acceleration in different coordinate systems
• Analyze motion using algebraic expressions and graphs of position-time and velocity-time+ Show more

Learning Objectives

• Compare how propellers and jets produce forward force using different physics ideas
• Explain the role of drag and thrust-to-weight ratio in acceleration and climb
• Describe how propulsive efficiency can change with flight speed and influence design trade-offs

Learning Objectives

• Explain how the law of conservation of mass applies to closed and near-closed systems in science investigations
• Use mass-balance reasoning to compare measured and expected masses in practical scenarios
• Identify how reaction stoichiometry and waste accounting rely on conservation of mass+ Show more

Learning Objectives

• Explain how a closed circuit with a current can create a magnetic effect
• Describe how magnets and magnetic influences act on objects without direct contact
• Use compass behavior to infer the direction of magnetic influence

Learning Objectives

• Explain how a design problem starts with a need and measurable requirements.
• Identify how sketches, dimensions, performance goals, and constraints guide possible solutions.
• Use safety and budget constraints to evaluate or improve a design.

Learning Objectives

• Understand how forces are decomposed into components along an incline and perpendicular to it.
• Analyze how slope steepness affects the unbalanced force and potential acceleration of objects.

Learning Objectives

• Identify independent and dependent variables in a fair comparison investigation.
• Explain how controlling conditions reduces alternative explanations.
• Use measurement and recording choices to support trustworthy conclusions.+ Show more

Learning Objectives

• Explain the conservation of mass principle and how it relates to atoms being conserved in chemical reactions
• Use particle reasoning to account for mass changes (or no net change) in sealed systems
• Interpret mass and gas-evolution measurements using balanced chemical ideas and matter accounting

Learning Objectives

• Understand how wave interference affects sound and light.
• Identify examples of constructive and destructive interference.
• Describe the concept of resonance and standing waves.+ Show more

Learning Objectives

• Explain how gene expression involves transcription and translation to produce functional proteins
• Identify how regulation (promoters, enhancers, repressors, and epigenetic changes) affects the timing and level of transcription
• Describe how post-transcriptional mechanisms such as alternative splicing and RNA interference can diversify gene products

Learning Objectives

• Explain how solubility changes with temperature for solids in liquids and with pressure for gases
• Describe how agitation and particle size affect the rate of dissolving and sometimes the amount dissolved
• Use evidence from examples (such as salts in lakes and road salt) to predict solubility outcomes under new conditions

Learning Objectives

• Understand the concept of acceleration and how it relates to changes in velocity
• Distinguish between positive and negative acceleration
• Interpret graph features such as slope and curvature to determine acceleration behavior+ Show more

Learning Objectives

• Understand the concept of net force and how it influences motion.
• Identify various forces acting on an object, such as weight and friction.
• Describe how forces that are balanced or unbalanced affect an object's movement.

Learning Objectives

• Identify various surface processes that shape Earth's landscape.
• Understand how landforms provide evidence of Earth's surface changes.
• Explain the role of external and internal processes in landform development.+ Show more

Learning Objectives

• Explain how DNA and chromosomes carry genetic information through alleles at specific gene positions.
• Use genotype-to-phenotype relationships to predict inheritance outcomes for offspring.
• Distinguish dominant and recessive alleles and interpret common inheritance patterns.

Learning Objectives

• Understand the concept of trophic levels and their roles within ecosystems.
• Describe how energy transfer occurs between organisms at different trophic levels.
• Differentiate between producers, consumers, decomposers, and other feeding relationships.+ Show more

Learning Objectives

• Explain how point and nonpoint sources introduce physical and chemical contaminants into ecosystems.
• Describe common transport mechanisms and how contaminants change form or location over time.
• Compare bioaccumulation and biomagnification and predict likely ecological effects.+ Show more

Learning Objectives

• Understand different types of population interactions such as competition, predation, and mutualism.
• Identify examples of competition in natural environments.
• Explain how competition influences species survival and community composition.+ Show more

Learning Objectives

• Understand the basic concepts of cell theory
• Identify main cell structures and their functions
• Differentiate between unicellular and multicellular organisms+ Show more

Learning Objectives

• Understand how various energy technologies contribute to sustainability goals.
• Analyze the system-level effects of energy storage and demand management.
• Evaluate environmental impacts of different energy options.+ Show more

Learning Objectives

• Understand how distance-time graphs represent motion and how slope relates to speed.
• Calculate average speed by dividing change in distance by change in time between two points.
• Interpret various graph segments, including flat, steep, and curved lines, to analyze motion and acceleration.+ Show more

Learning Objectives

• Understand how to quantify random and systematic uncertainty using statistical descriptors.
• Learn to interpret standard deviation, standard error, and confidence intervals in data analysis.
• Apply basic error propagation methods to combined measurements and calculations.+ Show more

Learning Objectives

• Explain energy conservation in a closed system and describe energy transfers among forms (kinetic, potential, thermal).
• Use the conservation principle to account for changes that appear to be 'lost' as thermal energy.
• Apply energy-conservation reasoning to real-world processes and systems (collisions, reactions, circuits).

Learning Objectives

• Understand the fundamental properties of electromagnetic waves.
• Identify how frequency and wavelength influence wave behavior.
• Explain concepts of attenuation and dispersion in signal transmission.+ Show more

Learning Objectives

• Understand what a heat engine is and how it converts thermal energy into mechanical work.
• Identify common types of heat engines such as internal combustion engines, gas turbines, and steam turbines.
• Explain the factors affecting the efficiency of heat engines, including temperature differences and cycle design.+ Show more

Learning Objectives

• Identify independent variables, dependent variables, and controls in a scientific investigation.
• Write testable scientific questions that connect variables to measurable outcomes.
• Choose appropriate units and measurement methods to collect consistent data.

Learning Objectives

• Understand the key components of a design problem
• Learn how to analyze design needs and constraints
• Apply measurements and safety considerations in design+ Show more

Learning Objectives

• Identify how electrical energy transforms into thermal energy in resistive devices.
• Use efficiency and power ideas to describe energy losses as heat.
• Find key details in an informational passage and summarize the main idea.

Learning Objectives

• Identify different forms of energy such as mechanical, chemical, electrical, and thermal
• Understand how energy transforms from one form to another
• Recognize real-world examples of energy transformation+ Show more

Learning Objectives

• Understand how observable physical and chemical properties influence material selection for specific applications.
• Learn to match material properties such as corrosion resistance, hardness, melting point, solubility, and reactivity to application requirements.
• Recognize the importance of chemical stability, density, and strength in structural and environmental decision-making.+ Show more

Learning Objectives

• Explain how insulation reduces heat transfer between inside and outside environments.
• Relate R-value, thickness, and construction details to thermal resistance and comfort.
• Describe how thermal bridges and air leaks can increase heat flow even when insulation is present.+ Show more

Learning Objectives

• Interpret energy diagrams and bar charts to identify where energy is stored, where it moves, and where it is lost.
• Quantify energy transfer by reading changes in potential and kinetic energy from graphs.
• Connect friction and thermal energy loss to conservation of energy using conservation principles.

Learning Objectives

• Understand the basic process and key components of photosynthesis
• Identify the roles of light-dependent reactions and the Calvin cycle
• Explain the relationship between photosynthesis and cellular respiration

Learning Objectives

• Describe lithospheric plates and how they move on the mantle
• Explain how divergent, convergent, and transform boundaries differ
• Connect plate boundary interactions to earthquakes, volcanoes, and mountain building+ Show more

Learning Objectives

• Understand how to decompose vectors into orthogonal components using trigonometry.
• Apply vector addition algebraically through component resolution.
• Simplify two-dimensional motion analysis by resolving velocity and acceleration into horizontal and vertical parts.+ Show more

Learning Objectives

• Describe the different types of chemical bonds and their atomic interactions.
• Identify properties associated with ionic, covalent, and metallic bonding.
• Understand how bonding influences the properties of materials like sodium chloride and metals.+ Show more

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

• Use Ohm’s law to relate voltage, current, and resistance in simple DC circuits
• Analyze series and parallel circuits using Kirchhoff-style reasoning (current and voltage rules)
• Calculate equivalent resistance and use power/energy ideas to interpret circuit behavior

Learning Objectives

• Identify different types of carbon reservoirs and their roles in the Earth's carbon cycle.
• Understand the movement of carbon between reservoirs such as air, ocean, soil, and sediments.
• Recognize natural versus anthropogenic contributions to carbon fluxes.+ Show more