Computer Science Worksheets

Learning Objectives

• Identify common types of personal information and explain why they should stay private online.
• Choose safer sharing options for websites, apps, and online accounts.
• Apply privacy and security steps to reduce risks like identity theft and scams.+ Show more

Learning Objectives

• Use precise step words to write code directions in a correct sequence.
• Identify how unclear instructions can cause mistakes in a computer program.
• Match coding terms to their meanings and use them in explanations.

Learning Objectives

• Explain how instruction order can change an outcome in a procedure.
• Identify accurate vs. inaccurate instruction sequences for a simple task.
• Use clear step order to improve the accuracy of instructions.

Learning Objectives

• Define decomposition as breaking a big problem into smaller steps or subproblems
• Identify steps and subproblems in a planning task and match them to a correct solution
• Use the idea of steps to describe how a solution can be built in parts+ Show more

Learning Objectives

• Define and use the terms decision, choice, condition, and branch when discussing decision trees.
• Read a simple decision tree and follow the correct path to reach an outcome.
• Explain how different yes/no conditions lead to different results in a decision tree.

Learning Objectives

• Explain what a strategy is and how it helps with a solution to a problem
• Compare two solution strategies by considering clarity, speed, and accuracy
• Choose the most efficient strategy for a simple classroom problem

Learning Objectives

• Identify what makes a sequence program fail when a step is missing or out of order
• Use the terms debug, error, missing, and fix correctly in explanations
• Explain how checking each step helps find and correct mistakes+ Show more

Learning Objectives

• Explain how flowcharts use shapes and arrows to show the steps of a process
• Identify the meanings of flowchart parts such as arrows and decision steps
• Read simple visual algorithms and predict what happens next+ Show more

Learning Objectives

• Define debug, bug, error, and fix in the context of coding
• Identify common code problems such as missing commands, repeated code, or wrong order
• Choose the best correction to make a short program sequence work

Learning Objectives

• Define the terms variable and value and explain how they relate to stored information.
• Identify how a program can change values in variables while it runs.
• Use variables to describe information such as names, numbers, and scores in a simple scenario.

Learning Objectives

• Explain what a loop does in a program.
• Identify how repeating an action can create a pattern.
• Complete sentences and code-like descriptions using loop vocabulary.+ Show more

Learning Objectives

• Define event, trigger, input, and respond in kid-friendly terms.
• Identify what kind of input causes a program event to happen.
• Match events to appropriate program responses.+ Show more

Learning Objectives

• Define efficiency, optimize, resource, and performance in the context of algorithms.
• Compare two algorithm approaches and identify which is more efficient without changing the outcome.
• Explain how optimization can improve time, steps, or resource use.

Learning Objectives

• Identify signs of cyberbullying and harassment in online communication
• Practice safe responses by reporting incidents and supporting affected people
• Explain how to preserve evidence and seek trusted help when needed

Learning Objectives

• Explain what variables are and how they store changing information in a program.
• Identify the difference between a variable name and the value a variable holds.
• Use variables and values to make predictions about program behavior.

Learning Objectives

• Define multi-factor authentication and explain why it improves security
• Identify common factors (something you know, have, or are) used in verification
• Compare a single-step login process with a multi-step MFA process

Learning Objectives

• Explain how functions help organize code into reusable modules for specific tasks.
• Identify the role of parameters and return values in function design.
• Describe how modular programming improves readability, testing, and maintenance.

Learning Objectives

• Explain how data moves across the internet using networks, servers, and routers.
• Identify key roles of clients and servers in requesting and receiving information.
• Describe the path of a web request from device to remote server and back.

Learning Objectives

• Explain what responsible AI use means, including accuracy, judgment, and privacy.
• Apply critical thinking to check AI outputs and decide when to seek human review.
• Identify safe ways to use AI tools while protecting personal information.

Learning Objectives

• Explain how loops repeat commands to save time and reduce duplicate code.
• Use loop vocabulary such as repeat, iteration, and efficiency to describe program behavior.
• Identify correct and incorrect statements about loop usage and repeated actions.

Learning Objectives

• Explain how responsive design helps webpages work on different screen sizes
• Identify key responsive features such as media queries, fluid layouts, and flexible images
• Apply responsive design principles to choose appropriate layout changes for devices

Learning Objectives

• Define key user interface vocabulary: user interface, menu, button, and layout.
• Identify features of an interface that make it easy or difficult to use.
• Use interface terms to describe how a user interacts with a digital design.

Learning Objectives

• Explain how normalization reduces data redundancy and update anomalies in relational databases.
• Compare an unnormalized table with a normalized design and justify the benefits.
• Identify functional dependencies that motivate splitting tables during normalization.

Learning Objectives

• Distinguish syntax errors from logic errors and explain how each affects program behavior.
• Use careful reading, tracing, and targeted testing to locate bugs in code.
• Apply debugging strategies to fix missing symbols, wrong ordering, and faulty conditions.

Learning Objectives

• Identify the roles of fields, records, and primary keys in a relational database table.
• Compare table structures and explain how organized data supports searching, sorting, filtering, and updating.
• Match common database questions to appropriate query actions.

Learning Objectives

• Identify patterns in routines, data, and step-by-step solutions.
• Use patterns to predict what comes next in an algorithm or sequence.
• Explain how repeatable structure helps solve new problems using familiar ideas.

Learning Objectives

• Explain how flowcharts show step-by-step processes using symbols and arrows.
• Use decision paths to describe how choices affect outcomes in an algorithm.
• Identify and interpret common flowchart vocabulary: flowchart, decision, branch, and symbol.

Learning Objectives

• Explain how validation, access control, and design choices support data integrity in databases.
• Identify common security risks to data confidentiality, integrity, and availability.
• Apply correct decision-making when choosing safeguards for real-world data storage and access.

Learning Objectives

• Explain how testing an algorithm helps find errors under different conditions.
• Use test results to revise and improve a solution’s accuracy and clarity.
• Identify common weaknesses in a procedure and evaluate whether changes fix them.

Learning Objectives

• Explain the difference between mean and median for a numeric data set.
• Compute the mean and median from a list of values and interpret what they represent.
• Recognize when median is more reliable than mean in the presence of outliers.

Learning Objectives

• Identify how CSS selectors and properties work together to style HTML elements.
• Interpret simple CSS rules and predict how they affect the look of a webpage.
• Choose readable styling choices using font, color, spacing, and borders.

Learning Objectives

• Describe how spreadsheets organize information using rows, columns, and cells.
• Use filters to find and sort relevant data in a spreadsheet.
• Create and interpret a simple spreadsheet layout for class or survey data.

Learning Objectives

• Explain how loops use repetition to automate repeated steps in a program.
• Use loop ideas to predict what a program will do over multiple iterations.
• Compare efficiency and code clarity when using loops instead of duplicate instructions.

Learning Objectives

• Define key vocabulary words related to safe searching, including search engine, result, safe, and trustworthy
• Identify strategies for choosing age-appropriate and trustworthy search results
• Explain when and why to ask a trusted adult for help while searching

Learning Objectives

• Explain what a web browser is and what a website is.
• Identify common website page elements such as text, images, links, and tabs.
• Navigate a website by using tabs and links and describing what a page contains.

Learning Objectives

• Explain how password security helps protect an account from unauthorized access.
• Describe features of strong passwords, including using a mix of character types.
• Identify safe password habits such as not sharing and not reusing passwords across accounts.

Learning Objectives

• Explain how APIs enable communication between software systems using requests and responses
• Describe how data fetching supports dynamic content after a page loads
• Evaluate outcomes of API requests, including success responses and error handling

Learning Objectives

• Define iteration and explain how testing feedback helps improve a digital project.
• Use vocabulary such as iteration, revise, improve, and version to describe step-by-step changes.
• Identify correct statements about how teams can use repeated versions to reach a better design.

Learning Objectives

• Explain how spreadsheets use rows, columns, and cells to store and organize data
• Use formulas with cell references and operators to calculate totals and averages
• Predict and verify how a formula updates when input values change

Learning Objectives

• Explain how program commands run in the order they are written.
• Identify how changing the order of commands changes the output.
• Use sequence and order vocabulary to describe working vs. non-working code.

Learning Objectives

• Explain how machine learning systems use training data to learn patterns
• Describe how the quality and variety of training data affect a model’s results
• Identify vocabulary terms: machine learning, training data, model, and pattern+ Show more

Learning Objectives

• Identify common flowchart symbols and explain how arrows show the order of actions
• Use decision structures to choose different paths based on conditions
• Interpret and improve flowcharts for simple programming scenarios

Learning Objectives

• Explain key cybersecurity vocabulary: cybersecurity, vulnerability, prevention, and threat.
• Identify safe online habits that reduce risks for devices and accounts.
• Recognize common warning signs of cyber threats and choose appropriate prevention steps.

Learning Objectives

• Trace how bubble sort, selection sort, and insertion sort progress through passes.
• Compare swap behavior and time complexity characteristics of common sorting algorithms.
• Predict the intermediate and final order of elements after specific passes.

Learning Objectives

• Explain how large language models generate responses using patterns learned from large data sets.
• Evaluate when generative AI is reliable and when human review is still necessary.
• Identify common risks such as hallucinations, bias, and unsafe or incorrect outputs.

Learning Objectives

• Explain how digital communication systems transmit information over networks.
• Compare communication tools by purpose and typical use cases.
• Use key vocabulary (communication, platform, collaboration, transmission) to describe digital messaging and media sharing.

Learning Objectives

• Identify what makes a password strong and harder to guess.
• Describe safe account habits such as not reusing passwords and keeping login details private.
• Explain how authentication helps protect accounts.

Learning Objectives

• Explain the difference between bandwidth and latency in everyday network situations
• Identify how latency and bandwidth affect how fast data moves across a network
• Use correct vocabulary to describe factors that influence network performance