Grade 9 Worksheets

Learning Objectives

• Use a water-budget framework to relate precipitation, evapotranspiration, streamflow, infiltration, and storage changes.
• Interpret discharge hydrographs to connect surface runoff timing to catchment and human impacts.
• Explain how groundwater-level records indicate subsurface fluxes and aquifer sustainability.+ Show more

Learning Objectives

• Explain how scale affects perceived size and distance in the solar system
• Describe how brightness and apparent motion depend on distance and viewing perspective
• Use orbital period and relative distance to make qualitative predictions about planetary motion

Learning Objectives

• Differentiate physical changes from chemical changes using observable evidence such as color, temperature, texture, and product formation
• Identify physical properties and chemical properties of matter and explain how they relate to observed behavior
• Predict whether a described process is likely physical or chemical based on evidence and particle-level reasoning+ Show more

Learning Objectives

• Identify common risk factors that increase the chance of injury or illness
• Apply risk-reduction strategies when making decisions about activities and lifestyle
• Explain how social and environmental influences can raise or lower health risks

Learning Objectives

• Understand the importance of trust in relationships
• Identify behaviors that build or undermine trust
• Reflect on personal experiences related to trust+ Show more

Learning Objectives

• Describe the stages of stellar evolution from star formation to end states.
• Interpret Hertzsprung-Russell diagrams and spectral classifications.
• Explain nucleosynthesis processes in stars and their contribution to element formation.+ Show more

Learning Objectives

• Interpret paleoclimate evidence from ice cores, tree rings, marine sediments, and speleothems.
• Understand proxy indicators such as isotopic ratios, growth increments, and microfossil assemblages.
• Relate proxy records to climate patterns and reconstruct past climate variability.+ Show more

Learning Objectives

• Understand the mathematical form of gravitational and electrostatic force equations.
• Apply inverse-square law formulas to calculate magnitudes of forces between objects.
• Analyze the directions of forces in vector form in various scenarios.+ Show more

Learning Objectives

• Describe how net external forces influence the motion of objects.
• Explain the differences between contact and field forces using examples.
• Apply Newton's second law to analyze how varying forces affect acceleration.+ Show more

Learning Objectives

• Explain how net external force determines changes in motion using Newton’s Second Law.
• Represent forces on objects with free-body reasoning and conceptual force diagrams.
• Calculate net force and predict acceleration for contact and field forces in simple systems.+ Show more

Learning Objectives

• Understand how external forces influence the motion of objects.
• Interpret force diagrams and apply Newton's Second Law to various scenarios.
• Describe the relationship between net force and acceleration.+ Show more

Learning Objectives

• Explain how net external forces affect the motion of objects.
• Interpret force diagrams and free-body diagrams to analyze interactions.
• Use Newton's laws to describe scenarios involving contact and field forces.+ Show more

Learning Objectives

• Quantify surface and subsurface water flows using water-budget frameworks and hydrographs.
• Relate precipitation, evapotranspiration, and human withdrawals to streamflow variability.
• Analyze connections between altered hydrologic fluxes and geomorphic responses.+ Show more

Learning Objectives

• Identify gas formation as evidence of a chemical reaction
• Understand various signs indicating a chemical change
• Describe how gas formation occurs during chemical reactions+ Show more

Learning Objectives

• Describe the main stages of stellar evolution from star formation to terminal outcomes.
• Explain the role of Hertzsprung-Russell diagrams and spectral classification in understanding stars.
• Identify differences in stellar lifecycles based on mass and other properties.+ Show more

Learning Objectives

• Identify observable evidence that indicates a chemical reaction has formed new substances.
• Explain how reaction evidence connects to atomic rearrangement and bonding changes.
• Distinguish chemical changes from physical changes using evidence such as gas, precipitate, color/temperature/odor changes.

Learning Objectives

• Identify observable signs that indicate a chemical reaction has produced a new substance.
• Explain how reaction evidence connects to changes in atoms and bonding.
• Distinguish chemical changes from physical changes using evidence such as gas, precipitate, color, temperature, and odor.

Learning Objectives

• Infer the meaning of unfamiliar words and phrases by using surrounding context clues.
• Distinguish between denotation and connotation when analyzing a word’s effect in a text.
• Clarify ambiguous or technical word usage by connecting clues across sentences.

Learning Objectives

• Understand the different types of paleoclimate proxies such as ice cores, tree rings, marine sediments, and speleothems.
• Identify proxy indicators used to interpret past climate conditions, including isotopic ratios, growth increments, and microfossil assemblages.
• Relate proxy records to historical climate patterns and recognize the significance of glacial-interglacial cycles and abrupt climate events.+ Show more

Learning Objectives

• Describe the main stages of stellar evolution from star formation to end states.
• Interpret Hertzsprung-Russell diagrams and spectral classifications of stars.
• Explain how supernova remnants contribute to element synthesis and enrichment of the interstellar medium.+ Show more

Learning Objectives

• Interpret evidence from ice cores, tree rings, marine sediments, and speleothems using proxy indicators.
• Relate proxy records to past climate variability and events such as glacial-interglacial cycles and abrupt shifts.
• Apply age models and quantify uncertainties to link proxy signals to climate forcing mechanisms.+ Show more

Learning Objectives

• Explain how accretion builds planetesimals within a rotating disk
• Describe how differentiation separates materials within growing planetary bodies
• Interpret meteorite composition as evidence of early solar system conditions+ Show more

Learning Objectives

• Interpret paleoclimate evidence from various proxies such as ice cores, tree rings, marine sediments, and speleothems.
• Identify proxy indicators like isotopic ratios, growth increments, and microfossil assemblages.
• Relate proxy records to past climate patterns and reconstruct climate variability including glacial-interglacial cycles.+ Show more

Learning Objectives

• Use accountable talk moves (ask questions, cite evidence, clarify meanings) during academic discussions.
• Respond to others by building on ideas rather than repeating them.
• Connect multiple perspectives to a shared purpose during a debate-like exchange.+ Show more

Learning Objectives

• Explain how different paleoclimate proxies (ice cores, tree rings, marine sediments, and speleothems) record past climate conditions
• Use proxy indicators (isotopic ratios, growth increments, microfossil assemblages) to infer past variability and climate cycles
• Describe how age models and uncertainty help connect proxy signals to temporal climate patterns and possible forcings

Learning Objectives

• Explain the wave and photon models of electromagnetic radiation and their relationship to frequency and energy.
• Identify characteristic phenomena such as atomic emission and absorption lines, and relate them to energy–frequency relationships.
• Evaluate how wavelength influences transmission, scattering, and detector response across the electromagnetic spectrum.+ Show more

Learning Objectives

• Understand how external forces influence the motion of objects.
• Analyze free-body diagrams to identify net forces and predict acceleration.
• Apply Newton's second law to various scenarios involving forces and motion.+ Show more

Learning Objectives

• Identify different types of electromagnetic waves and their order in the spectrum
• Understand the relationship between frequency, wavelength, and energy of electromagnetic waves
• Recognize characteristic phenomena such as atomic emission/absorption lines and spectral attenuation+ Show more

Learning Objectives

• Explain how strong analysis embeds evidence from a text to support an interpretation or claim
• Connect quotations or specific details to the writer’s reasoning using clear explanation
• Compare possible interpretations by using text-based evidence instead of broad assertions+ Show more

Learning Objectives

• Define the greenhouse effect and identify greenhouse gases
• Explain how greenhouse gases influence Earth's temperature
• Describe the energy flow involved in Earth's atmosphere+ Show more

Learning Objectives

• Identify where an author presents an opposing view (counterclaim) in an informational text.
• Explain how a writer responds to counterclaims through rebuttals or hedged language.
• Evaluate whether the rebuttal addresses the counterclaim directly or shifts to a different issue.

Learning Objectives

• Identify observable evidence that indicates a chemical reaction has formed new substances.
• Connect reaction evidence (gas, precipitate, color, temperature, odor) to changes in bonding and rearrangement of atoms.
• Differentiate chemical changes from physical changes using evidence from reactions such as oxidation and combustion.

Learning Objectives

• Use inverse-square relationships to calculate gravitational and electrostatic force magnitudes.
• Determine force directions using vector reasoning for attraction and repulsion.
• Compare how force strength changes across different separation distances and between force types.

Learning Objectives

• Translate contextual statements about input and output into correct function notation (e.g., f(a)=b).
• Interpret given function values to explain what the model says about inputs and outputs.
• Evaluate function expressions at specified inputs to find outputs.

Learning Objectives

• Understand the mathematical relationships governing gravitational and electrostatic forces.
• Apply inverse-square law formulas to calculate magnitudes of forces between masses and charges.
• Predict the direction of forces based on vector principles and charge/mass interactions.+ Show more

Learning Objectives

• Explain Newton’s Third Law using the idea of action–reaction pairs that act on different objects
• Identify forces in a scenario and determine the direction and relative size of the matching third-law force
• Predict how force pairs affect the motion of each object involved+ Show more

Learning Objectives

• Explain electromagnetic radiation using wave and photon descriptions
• Calculate photon energy using Planck’s relation and frequency
• Relate wavelength and frequency in electromagnetic radiation+ Show more

Learning Objectives

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

Learning Objectives

• Calculate force changes using inverse-square distance relationships
• Compare force magnitudes across different separation distances
• Identify attractive and repulsive electrostatic force directions+ Show more

Learning Objectives

• Explain the wave and photon descriptions of electromagnetic radiation.
• Relate frequency to photon energy and their interaction with matter.
• Identify characteristic phenomena such as atomic emission, absorption lines, and spectral attenuation.+ Show more

Learning Objectives

• Understand the concepts of gravitational and electrostatic forces
• Interpret and analyze inverse-square law relationships
• Calculate forces between celestial bodies and charged particles+ Show more

Learning Objectives

• Understand the inverse-square relationship in gravitational and electrostatic forces.
• Apply quantitative formulas to calculate the magnitude and direction of forces between objects.
• Use vector analysis to determine net forces in multi-body systems.+ Show more

Learning Objectives

• Understand the inverse-square dependence of gravitational and electrostatic forces.
• Apply quantitative formulas to calculate forces between masses and charges.
• Analyze the direction of forces using vector principles.+ Show more

Learning Objectives

• Identify where alternative or opposing views (counterclaims) appear in an informational text.
• Evaluate how an author responds to a counterclaim, including whether the response directly rebuts or shifts the topic.
• Analyze how hedging language and acknowledgments of limitations affect the credibility of an argument.

Learning Objectives

• Identify common risk factors and describe how they can lead to injury, illness, or other health problems.
• Apply risk-reduction strategies to everyday situations involving activities, environments, and substance-related decisions.
• Explain how social influences and environmental conditions can increase or decrease health risks.

Learning Objectives

• Understand the concept of gravitational and electrostatic forces.
• Learn the inverse-square law and its impact on force magnitude.
• Apply mathematical formulas to calculate forces between objects.+ Show more

Learning Objectives

• Define Newton's Third Law of Motion
• Identify real-world examples of action-reaction forces
• Explain why forces in a pair act on different objects+ Show more

Learning Objectives

• Explain how limiting factors affect population growth in an ecosystem
• Describe carrying capacity and how populations stabilize when limiting factors intensify
• Analyze how limiting factors influence species interactions and biodiversity over time