Science Worksheets

Learning Objectives

• Explain how human land-use change, greenhouse gas emissions, aerosols, and resource extraction perturb Earth’s carbon, water, and energy cycles
• Use emission inventories and land-cover time series to describe environmental change over time
• Interpret observable consequences (runoff changes, soil degradation, coastal subsidence) as indicators of cumulative anthropogenic forcing+ Show more

Learning Objectives

• Identify different types of air masses and their characteristics.
• Understand how air mass movements influence weather changes.
• Recognize the interactions between different air masses such as polar, tropical, and maritime.+ Show more

Learning Objectives

• Understand how human activities alter Earth's land, water, and air systems.
• Identify indicators and signs of environmental change caused by human actions.
• Analyze data and diagrams to evaluate human impact on ecosystems.+ Show more

Learning Objectives

• Identify and describe the roles of key organelles in plant and animal cells.
• Connect cell structure to function, including processes like transport, synthesis, and compartmentalization.
• Compare eukaryotic and prokaryotic cells using examples of leaf mesophyll and muscle cells.+ Show more

Learning Objectives

• Identify the main organelles in plant and animal cells and explain their functions.
• Connect cell structure to its role in processes such as transport, synthesis, and compartmentalization.
• Compare eukaryotic and prokaryotic cells using examples like leaf mesophyll and muscle cells.+ Show more

Learning Objectives

• Identify and describe the organelles in plant and animal cells.
• Explain the functions of nucleus, mitochondria, chloroplasts, endoplasmic reticulum, and membranes.
• Connect cell structure to its role in transportation, synthesis, and compartmentalization.+ Show more

Learning Objectives

• Explain how birth rates, death rates, immigration, and emigration affect population size over time
• Describe carrying capacity and limiting factors that slow population growth
• Analyze how density-dependent factors (like competition and disease) can lead to stability or fluctuations in ecosystems

Learning Objectives

• Understand the distribution of freshwater and saline water reservoirs worldwide.
• Identify spatial patterns and factors influencing water distribution, such as climate, geology, and topography.
• Evaluate the implications of uneven water distribution for human use and regional security.+ Show more

Learning Objectives

• Explain how carbon atoms cycle through an ecosystem, including photosynthesis, feeding, respiration, and decomposition.
• Distinguish between the flow of energy through trophic pathways and the conservation of matter.
• Identify reservoirs and processes that move matter between air, water, and living organisms.

Learning Objectives

• Understand how carbon dioxide enters plants during photosynthesis.
• Explain the role of plants in the cycling of carbon in ecosystems.
• Identify how carbon moves from plants to animals and back to the environment.+ Show more

Learning Objectives

• Understand the various ways human activities alter Earth's systems such as land use, greenhouse gases, and resource extraction.
• Analyze how these alterations impact environmental cycles and observable consequences like soil degradation and coastal subsidence.
• Learn to interpret emission inventories, land-cover time series, and system diagrams related to human environmental impact.+ Show more

Learning Objectives

• Explain how carbon moves through air, water, and living organisms in an ecosystem
• Distinguish matter cycling from energy flow in food chains and trophic pathways
• Use carbon-cycle processes (photosynthesis, respiration, decomposition) to describe how matter is reused

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

• Understand how nutrients are transported within the body.
• Identify parts of the organism involved in nutrient movement.
• Explain why continuous movement of matter is essential for health.

Learning Objectives

• Explain how nutrients move from digestion to body tissues through internal transport
• Describe how cells use transported nutrients for growth, repair, and energy
• Identify how the body removes wastes to maintain internal balance+ Show more

Learning Objectives

• Understand how nutrients are transported from food to different parts of the body
• Identify different systems involved in internal transport
• Explain the importance of continuous movement of matter within an organism+ Show more

Learning Objectives

• Explain Newton’s second law using the relationship between net force, mass, and acceleration
• Determine how unbalanced forces and their directions affect acceleration and motion
• Use vector ideas to reason about combining forces and predicting acceleration changes over time

Learning Objectives

• Understand how human activities alter Earth's land, water, and atmospheric systems.
• Identify key indicators used to assess environmental changes caused by humans.
• Analyze the relationships between land-use change, greenhouse gas emissions, and environmental impacts.+ Show more

Learning Objectives

• Explain the principles of water potential, tonicity, and cellular response mechanisms.
• Describe how plant and animal cells maintain volume and turgor pressure under different environments.
• Identify adaptations like contractile vacuoles, membrane pumps, and extracellular fluid buffering in osmoregulation.+ Show more

Learning Objectives

• Explain how discrete time stepping is used to model changes in a dynamic system
• Use computational simulation ideas such as parameter sweeps and sensitivity analysis to test predictions
• Interpret simulation results while considering numerical stability, assumptions, and uncertainty

Learning Objectives

• Understand how carbon atoms cycle through ecosystems
• Identify the processes involved in the carbon cycle
• Explain why matter is conserved and reused in ecosystems+ Show more

Learning Objectives

• Explain power as the rate of energy transfer or the rate of doing work.
• Use comparisons of time and energy to reason about differences in power.
• Apply power-and-rate ideas to everyday devices such as motors and appliances.

Learning Objectives

• Understand the principle of conservation of linear momentum in isolated systems.
• Differentiate between elastic and inelastic collisions using momentum analysis.
• Calculate total momentum before and after interactions in various scenarios.+ Show more

Learning Objectives

• Identify biotic and abiotic components of an ecosystem and explain how each affects living things
• Describe trophic categories (producers, consumers, decomposers) and their roles in energy and matter flow
• Use examples from ponds and forests to explain simple food chains and how nutrients are recycled

Learning Objectives

• Understand how sedimentary layers and fossils record Earth's history.
• Describe processes like lithification, metamorphism, and magmatism.
• Explain relative and absolute dating techniques, including index fossils and radiometric decay.+ Show more

Learning Objectives

• Define net acceleration and explain how it is affected by unbalanced forces.
• Identify the effects of applying different forces on objects in motion.
• Understand the vector nature of force and how it influences acceleration.+ Show more

Learning Objectives

• Describe the functions and interactions of circulatory, respiratory, digestive, and nervous systems in multicellular animals.
• Explain system-level dependencies such as oxygen transport and nutrient absorption.
• Compare human mammalian organ systems with plant vascular transport interactions.+ Show more

Learning Objectives

• Describe different modes of intercellular signaling including autocrine, paracrine, endocrine, and synaptic signaling.
• Explain the role of membrane receptors and ligand specificity in signaling.
• Understand signal transduction pathways and their importance in cellular responses.+ Show more

Learning Objectives

• Describe the different modes of intercellular signaling including autocrine, paracrine, endocrine, and synaptic signaling.
• Explain the role of membrane receptors and ligands in cellular communication.
• Identify the mechanisms of signal transduction cascades and their significance.+ Show more

Learning Objectives

• Identify different modes of cell signaling
• Understand receptor–ligand interactions
• Explain signal transduction pathways+ Show more

Learning Objectives

• Describe the different modes of intercellular signaling such as autocrine, paracrine, endocrine, and synaptic signaling.
• Explain how membrane receptors and signal transduction cascades facilitate cellular communication.
• Identify examples of intercellular signaling in physiological processes like hormone regulation and neural transmission.+ Show more

Learning Objectives

• Explain that combining materials can create a new substance with new properties.
• Identify evidence of new substance formation such as color change, new smell, temperature change, or new behavior.
• Compare initial and final materials to decide whether a chemical change likely occurred.

Learning Objectives

• Describe the different modes of intercellular signaling including autocrine, paracrine, endocrine, and synaptic signaling.
• Explain the roles of membrane receptors and signal transduction cascades in cellular communication.
• Identify examples of intercellular communication mechanisms in physiological systems.

Learning Objectives

• Identify different modes of cell signaling: autocrine, paracrine, endocrine, and synaptic.
• Understand receptor–ligand specificity and signal transduction mechanisms.
• Describe structures like gap junctions and plasmodesmata involved in direct cell communication.+ Show more

Learning Objectives

• Describe how cells communicate using autocrine, paracrine, endocrine, and synaptic signaling
• Explain how receptor–ligand specificity and signal transduction help information spread inside cells
• Compare direct cytoplasmic connections (gap junctions and plasmodesmata) with chemical signaling modes+ Show more

Learning Objectives

• Describe various modes of intercellular signaling including autocrine, paracrine, endocrine, and synaptic.
• Explain how receptor–ligand specificity contributes to cell communication.
• Understand the signal transduction cascades activated by different signaling molecules.+ Show more

Learning Objectives

• Understand how unbalanced forces produce acceleration in the direction of the net force.
• Explain the relationship between force, mass, and acceleration as described by Newton's second law.
• Recognize how changing force magnitude or duration affects velocity and acceleration.+ Show more

Learning Objectives

• Identify biotic and abiotic components of ecosystems and describe how each affects living things
• Distinguish producers, consumers, and decomposers and explain their roles in energy flow
• Use simple food chains (pond and forest examples) to describe how matter cycles through an ecosystem+ Show more

Learning Objectives

• Describe different modes of intercellular signaling including autocrine, paracrine, endocrine, and synaptic mechanisms.
• Explain the role of membrane receptors and specific ligand binding in signal transduction.
• Identify types of direct cytoplasmic connections such as gap junctions and plasmodesmata.+ Show more

Learning Objectives

• Identify and compare autocrine, paracrine, endocrine, and synaptic modes of intercellular communication
• Explain how receptor–ligand specificity enables cells to respond selectively to signals
• Describe how signal transduction cascades amplify cellular responses+ Show more

Learning Objectives

• Explain how Earth's rotation produces the day-night cycle
• Describe how Earth's axial tilt and orbit produce seasons
• Explain how the Moon's orbit creates repeating lunar phases+ Show more

Learning Objectives

• Identify different lunar phases and understand their causes
• Recognize how the relative positions of the Sun, Earth, and Moon create observable patterns
• Describe the cycle of lunar phases+ Show more

Learning Objectives

• Explain how Earth’s rotation and axial tilt create day-night cycles and seasonal changes.
• Model lunar phases using the Moon’s relative position to Earth and the Sun.
• Describe how alignment determines when solar and lunar eclipses occur.+ Show more

Learning Objectives

• Explain how plate tectonics reshapes Earth’s surface at divergent, convergent, and transform boundaries.
• Describe key evidence that supports the theory of plate tectonics, including seafloor spreading and earthquake patterns.
• Connect tectonic processes to Earth system changes such as heat flow and recycling of materials.

Learning Objectives

• Understand how Earth's rotation causes day and night.
• Identify the relationship between the Sun's position and Earth's daily cycle.
• Recognize the effect of axial tilt and orbit on solar patterns.

Learning Objectives

• Define net acceleration and explain its relationship with force and mass.
• Identify unbalanced forces acting on objects in everyday situations.
• Understand how the direction of forces affects acceleration.+ Show more

Learning Objectives

• Explain Newton’s second law using net force, mass, and acceleration (Fnet = m a).
• Describe how unbalanced, vector forces determine both the direction and magnitude of acceleration.
• Predict changes in velocity over time using acceleration and the duration of a net force.

Learning Objectives

• Describe the cyclic patterns produced by the relative motions of the Sun, Earth, and Moon.
• Explain how orbital geometry and axial tilt account for day-night cycles and phases.
• Identify observable evidence of solar system patterns and explain their causal relationships.+ Show more