Science Worksheets

Learning Objectives

• Explain what a model represents in a scientific system
• Describe what a model leaves out and why that matters
• Use examples to connect models to predictions

Learning Objectives

• Identify evidence that supports a public health action.
• Explain cause-and-effect relationships in water safety decisions.
• Use indicators to judge short-term and long-term impacts on community health.+ Show more

Learning Objectives

• Explain how competition can shape species niches through cause-and-effect.
• Identify niche-related vocabulary such as competition and niche partitioning.
• Use evidence from a reading passage to answer questions accurately.

Learning Objectives

• Distinguish quantitative and qualitative observations in a science investigation.
• Identify examples of observation vs. inference during inquiry.
• Use metric units appropriately when describing measurements.

Learning Objectives

• Identify key details about freshwater reservoirs and their roles in the water cycle
• Explain how rivers, lakes, ice, and groundwater store and move water
• Use text structure clues to connect processes to resource availability

Learning Objectives

• Identify cause-and-effect details about how weathering changes rocks
• Use evidence from a science passage to explain how different forces affect land surfaces
• Distinguish weathering from erosion by describing what each process does

Learning Objectives

• Identify key ideas about how photosynthesis captures energy and stores it in chemical bonds.
• Describe chemical inputs and outputs of photosynthesis using accurate vocabulary.
• Explain how energy transformations are linked to material building in cells.

Learning Objectives

• Identify the key ideas in a text about nutrient cycling.
• Explain how major processes move nutrients through ecosystems.
• Use evidence from a passage to answer science questions.

Learning Objectives

• Identify the main function of the respiratory system in gas exchange.
• Identify the main function of the cardiovascular system in transporting gases and nutrients.
• Explain how feedback helps coordinate heart and lung activity to support cellular respiration.

Learning Objectives

• Identify the main idea of a science passage about energy flow in ecosystems.
• Use key vocabulary related to producers and how energy begins in food chains.
• Explain how sunlight becomes usable energy for living things.

Learning Objectives

• Identify key vocabulary terms related to population dynamics.
• Explain how birth, death, immigration, and emigration change population size over time.
• Distinguish exponential growth from logistic growth using ideas of growth rate and carrying capacity.+ Show more

Learning Objectives

• Explain how feedback loops help maintain homeostasis during exercise.
• Identify cause-and-effect links between organ systems during increased demand.
• Use evidence from a text to support claims about physiological regulation.

Learning Objectives

• Identify the role of a set point in regulation
• Explain how deviations from a set point trigger negative feedback
• Use key vocabulary related to sensors, control centers, and effectors

Learning Objectives

• Explain what magnification means in a microscope image
• Describe resolution and why it matters for seeing fine details
• Identify how contrast and staining affect how specimens look+ Show more

Learning Objectives

• Identify key terms related to genetic data analysis.
• Summarize the purpose of analyzing genotype and phenotype data to infer inheritance patterns.

Learning Objectives

• Identify dominant and recessive phenotypes from a simple inheritance cross.
• Explain how a monohybrid cross produces a predictable phenotypic ratio.
• Use evidence from genotype to infer expected outcomes in offspring.

Learning Objectives

• Explain how a lever changes the direction of a force and can increase the force applied.
• Describe mechanical advantage in qualitative terms using levers.
• Identify the key parts of a lever and match them to real-life examples.

Learning Objectives

• Identify how insulin and glucagon change blood glucose levels.
• Explain the negative feedback loop idea using hormones and body tissues.
• Use key terms (insulin, glucagon, glycogenolysis, gluconeogenesis, beta cells, alpha cells) in context.

Learning Objectives

• Identify the main idea of a passage about organelle energy exchange
• Use supporting details to explain how chloroplasts and mitochondria cooperate
• Distinguish key organelle structures and roles in cellular energy transfer

Learning Objectives

• Identify the main idea and key details about human impacts on biodiversity and ecosystem services.
• Explain how human actions can change habitats and species interactions.
• Describe how changes in biodiversity can affect ecosystem services such as pollination and water purification.

Learning Objectives

• Explain how a distance–time graph shows speed during uniform motion.
• Interpret slope as the rate of change of distance with time.
• Use graph features to estimate displacement from distance–time information.

Learning Objectives

• Identify the three core claims of cell theory from a text
• Use evidence from a passage to explain why cells are the basic unit of structure and function
• Explain how cell division supports the idea that new cells come from existing cells

Learning Objectives

• Identify major parts of a phylogenetic tree.
• Interpret what branching patterns suggest about common ancestry.
• Use vocabulary such as rooted, unrooted, ancestor, descendants, and clade to explain tree features.

Learning Objectives

• Identify the main function of the nucleus and ribosomes in eukaryotic cells.
• Use passage details to explain how genetic information leads to protein assembly.
• Connect structure (nucleus, ribosome) to function (gene storage, protein building).

Learning Objectives

• Identify the main idea of a passage about catabolic pathways and energy release
• Describe how enzymes and ATP relate to breakdown reactions
• Distinguish key terms such as catabolism, intermediates, and energy output

Learning Objectives

• Identify the main idea of a passage about biotechnology applications.
• Describe key details about common biotech tools and their uses.
• Explain at least one ethical or societal consideration linked to biotech.

Learning Objectives

• Identify key components of cell signaling (receptor, ligand, and signal pathway).
• Explain how signals move through cells to produce a response.
• Distinguish between signal reception and downstream processing.

Learning Objectives

• Identify evidence in a text that links endoplasmic reticulum structure to cell function
• Compare how smooth and rough endoplasmic reticulum differ in appearance and role
• Use specific vocabulary (organelle, membrane, protein, lipid) to explain structure–function relationships

Learning Objectives

• Identify the main idea of a scientific passage about community interactions.
• Use details from the text to explain how species interactions shape community structure.

Learning Objectives

• Identify independent, dependent, and controlled variables in a science scenario.
• Recognize how a fair test keeps some variables constant while changing one factor.

Learning Objectives

• Describe the main steps of urine formation in a nephron
• Explain how filtration, reabsorption, and secretion affect fluid balance
• Identify how feedback supports maintaining blood osmolarity and pressure

Learning Objectives

• Identify the main idea of an informational science passage about integrated metabolism
• Describe how catabolic and anabolic pathways connect to meet energy needs
• Use evidence from the text to answer questions about energy trade-offs

Learning Objectives

• Identify the main idea of a science text about ecological succession
• Distinguish key details about primary succession and how ecosystems change over time
• Explain, in writing, how succession can shift habitat conditions and species composition

Learning Objectives

• Identify the main idea of a population ecology passage.
• Explain how births, deaths, immigration, and emigration change population size.
• Distinguish density-dependent and density-independent factors using examples from the passage.

Learning Objectives

• Define resistance and key related vocabulary from a science text.
• Identify the main idea and supporting details about how ecosystems respond to disturbance.
• Use evidence from the passage to answer questions about ecosystem stability.

Learning Objectives

• Identify the main idea of light reactions in thylakoid membranes
• Describe key steps: photon absorption, electron flow, and proton gradient formation
• Explain how water splitting replenishes electrons and releases oxygen

Learning Objectives

• Define evolution in terms of changes to heritable traits over generations.
• Identify key vocabulary related to evolution: allele, population, selection, drift, mutation, gene flow.
• Explain, using evidence from a text, how allele frequencies can change over time.

Learning Objectives

• Explain how fossil records preserve past life through different types of evidence.
• Identify how evidence from fossils supports claims about the timing of change in Earth’s history.
• Describe at least one factor that can limit what the fossil record shows.

Learning Objectives

• Define diffusion and concentration gradients using accurate vocabulary.
• Explain how passive transport differs from active transport in terms of energy use.
• Describe how water moves by osmosis and how bulk movement can occur via vesicles.

Learning Objectives

• Identify the main idea about how energy moves between trophic levels.
• Explain how trophic efficiency affects biomass pyramids and the number of trophic levels.
• Support claims with details about energy loss and ecosystem structure.

Learning Objectives

• Identify the main idea about how multiple evidence types support evolutionary inference.
• Describe how fossils, anatomy, and molecular data contribute to explanations of descent with modification.

Learning Objectives

• Define speciation and species using key vocabulary
• Identify reproductive isolation as a barrier to interbreeding
• Explain how geographic separation can reduce gene flow

Learning Objectives

• Identify how the immune system detects threats to maintain homeostasis.
• Explain key cause-and-effect relationships in immune signaling and inflammation.
• Describe how feedback limits immune overreaction and supports recovery.

Learning Objectives

• Identify the main idea of a text about complex inheritance.
• Explain how multiple genes and the environment can shape observable traits.

Learning Objectives

• Define dominant and recessive alleles using scientific vocabulary.
• Identify genotypes that produce specific phenotypes.
• Explain how segregation leads to predictable inheritance outcomes.

Learning Objectives

• Define homology and distinguish it from analogy in structures
• Explain how similar anatomical structures can suggest shared ancestry
• Use examples to connect structure to evolutionary history

Learning Objectives

• Explain genetic drift as a random change in allele frequencies.
• Identify key vocabulary including allele and frequency.
• Describe how small populations and chance events can cause allele loss or fixation.+ Show more

Learning Objectives

• Define positive feedback in terms of amplification and cause-and-effect.
• Explain how an initial change can be strengthened until a terminating event occurs.
• Distinguish positive feedback from negative feedback using examples.