Science Worksheets

Learning Objectives

• Identify key details about the structure of ATP from an informational text.
• Describe how ATP contains energy-storing phosphate groups.

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

• 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

• Define homeostasis and explain its overall purpose in the body
• Identify key components of regulation: set point, sensors, and effectors
• Describe how negative feedback helps maintain stable internal conditions

Learning Objectives

• Define biogeochemical cycles and identify the main Earth system reservoirs they involve.
• Explain how fluxes such as photosynthesis, decomposition, nitrogen fixation, and weathering move matter.
• Describe how reservoir size and cycle rate can affect ecosystem responses to change.

Learning Objectives

• Explain what a scale bar tells you about size in a micrograph.
• Distinguish resolution from magnification when interpreting image details.
• Identify how contrast and staining help reveal cellular structures.

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

• Define key genomic technology terms in context (DNA, nucleotide sequence, PCR, DNA sequencing, genome editing).
• Identify how genomic tools generate information about DNA and genes.
• Explain, in a simple way, why amplification, reading order, and targeted edits matter for genetics.

Learning Objectives

• Identify the main idea and key vocabulary about ecosystem services.
• Explain how biodiversity supports different ecosystem services.
• Recognize how human actions can affect service delivery.

Learning Objectives

• Explain what measurement uncertainty means and why it happens
• Identify how instrument resolution affects readings
• Describe how to report uncertainty using correct significant figures+ Show more

Learning Objectives

• Identify the main idea of a scientific passage about DNA replication.
• Explain key details of semi-conservative DNA replication.
• Use vocabulary from the passage (helicase, primase, leading strand, lagging strand, Okazaki fragments).+ Show more

Learning Objectives

• Explain the main idea of electron transport and its purpose in cells.
• Identify and use key vocabulary related to electron carriers, proton pumping, and ATP production.

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 key details about nucleotides as the building blocks of nucleic acids
• Explain basic structural features of DNA and RNA at a Grade 9 level
• Use passage information to answer questions about stability and information flow

Learning Objectives

• Identify common pedigree symbols and relationships.
• Explain how pedigrees help reveal inheritance patterns across generations.
• Distinguish between affected individuals and carrier status in basic pedigree reasoning.

Learning Objectives

• Explain how enzymes lower activation energy to speed up reactions
• Use key vocabulary (enzyme, substrate, active site, activation energy, catalyst, transition state)
• Describe how enzyme–substrate specificity depends on protein structure+ Show more

Learning Objectives

• Identify the sequence of events in gene expression
• Explain how transcription and translation convert genetic information into a polypeptide
• Recognize the roles of mRNA, codons, and tRNA in building proteins

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

• 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

• 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 protein trafficking.
• Describe how the nucleus and rough endoplasmic reticulum work together to start protein production.
• Use vocabulary related to organelles and protein synthesis accurately.

Learning Objectives

• Identify how net force changes an object’s motion using evidence from a scenario.
• Explain the relationship between net force and changes in speed for a simple push.
• Use given values to reason about balanced vs. unbalanced forces.

Learning Objectives

• Identify key ideas about how traits, heredity, and environment relate to natural selection
• Define science vocabulary in context, including population, trait, heritable variation, and allele

Learning Objectives

• Identify forms of mechanical energy and match them to situations
• Explain how gravitational potential energy can convert to kinetic energy in idealized motion
• Recognize that friction and air resistance reduce mechanical energy by turning it into thermal energy

Learning Objectives

• Identify the main idea of a feedback loop passage
• Define and use key vocabulary related to homeostasis

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

• Define input force, output force, and mechanical advantage (MA).
• Interpret MA as a ratio using a simple example.
• Distinguish ideal mechanical advantage from real mechanical advantage using efficiency ideas.

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 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 direction of movement using concentration gradients
• Explain how diffusion and facilitated diffusion move substances across membranes
• Distinguish between simple diffusion and carrier-based facilitated diffusion

Learning Objectives

• Identify the main idea of how the circulatory system transports materials.
• Describe key roles of blood flow in delivering oxygen and nutrients and removing wastes.

Learning Objectives

• Explain how competition shapes resource use and population sizes
• Describe how the niche concept reduces conflict between similar species
• Predict how resource limitation can change outcomes of species coexistence

Learning Objectives

• Identify contact forces and non-contact forces in everyday situations.
• Describe how a net force can change an object’s motion.
• Explain the role of friction in slowing or stopping moving objects.

Learning Objectives

• Summarize how energy enters ecosystems through sunlight and moves to producers
• Use key terms such as trophic level, producers, consumers, decomposers, and net primary productivity
• Explain why only part of energy becomes biomass at each stage

Learning Objectives

• Identify producers in a trophic system and explain where energy enters the system
• Describe the role of consumers and decomposers in energy flow using trophic-level vocabulary

Learning Objectives

• Define an ecosystem using living and nonliving components
• Distinguish energy flow from nutrient cycling in ecosystems
• Explain the role of primary productivity in food chains

Learning Objectives

• Identify the main idea of a science passage about adaptive radiation.
• Use key vocabulary (adaptive radiation, ecological niche, divergence, colonization, ecological opportunity) in context.
• Distinguish true statements supported by evidence from ideas that are not directly stated.+ Show more

Learning Objectives

• Explain how mutation can introduce new alleles into a population
• Describe how mutation contributes to changes in allele frequencies over time
• Distinguish mutation from selection, drift, and gene flow in simple scenarios

Learning Objectives

• Explain how enzyme activity changes the speed of metabolic pathways.
• Identify how allosteric regulation and feedback inhibition affect pathway flux.
• Describe how covalent modification can switch enzyme activity in response to cellular conditions.

Learning Objectives

• Summarize the main purpose of photosynthesis.
• Use key vocabulary (chloroplast, light reactions, photons, ATP, NADPH, Calvin cycle, carbon dioxide, sugars).
• Explain how light energy becomes chemical energy stored in organic molecules.

Learning Objectives

• Identify main ideas in an informational text about the carbon cycle
• Use key vocabulary (photosynthesis, respiration, decomposition, primary production) accurately
• Explain how carbon moves between living things and Earth systems

Learning Objectives

• Identify the main claim about how carbon and energy move through integrated biochemical cycles.
• Explain how photosynthesis provides fixed carbon that supports cellular respiration.
• Use key vocabulary (CO2, fixed carbon, glucose, glycolysis, citric acid cycle) to answer comprehension questions.

Learning Objectives

• Identify the main idea of a text about energy flow in ecosystems.
• Describe how sunlight energy enters ecosystems through photosynthesis.
• Explain why usable energy decreases at higher trophic levels.

Learning Objectives

• Identify the main idea of a passage about gene regulation.
• Explain how promoters, enhancers, transcription factors, and chromatin affect gene expression.
• Describe how epigenetic marks can change gene expression without changing DNA sequence.+ Show more

Learning Objectives

• Explain how insulin lowers blood glucose after a meal
• Describe cause-and-effect links between the pancreas, liver, muscle, and adipose tissue
• Use negative feedback to predict how the body maintains stable blood glucose

Learning Objectives

• Identify how membrane structure increases surface area for reactions.
• Explain how gradients and enzyme localization improve metabolic efficiency.
• Connect specific structural features of membranes to their function in energy transformation.

Learning Objectives

• Identify the three main claims of cell theory
• Distinguish unicellular and multicellular organization
• Explain how microscopy supports the idea that cells exist in all living things+ Show more