Computer Science Worksheets

Learning Objectives

• Explain how commits, branches, and merges support teamwork using version history.
• Describe how version control helps prevent lost work and reduces overwriting changes.
• Apply collaboration concepts to choose the best workflow for common team scenarios.

Learning Objectives

• Explain how filtering removes records that do not meet given conditions.
• Describe how sorting arranges records in a chosen order (e.g., ascending or descending).
• Select the most appropriate query strategy or tool to answer a data question.

Learning Objectives

• Explain how variables store values in a program.
• Identify how changing a variable value affects program behavior.
• Use correct vocabulary: variable, value, storage, assignment.

Learning Objectives

• Explain conditional logic using if-then statements to predict outcomes.
• Identify conditions, branches, and outcomes in simple rule-based algorithms.
• Use yes-or-no thinking to follow different paths in branching algorithms.+ Show more

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

• Define the terms input, output, response, and interaction.
• Identify inputs and outputs from short computer scenarios.
• Explain how an input leads to an output through a program’s response.+ Show more

Learning Objectives

• Explain how protocols help devices communicate consistently across a network
• Describe how data is divided into packets and transferred through connected systems
• Use key vocabulary (protocol, packet, transfer, communication) to answer questions about online requests

Learning Objectives

• Identify common cyber threats such as phishing, spyware, viruses, and ransomware by their warning signs and effects.
• Match malware and threat types to likely impacts on computers, accounts, or data.
• Apply safe response strategies when encountering suspicious links, downloads, or messages.

Learning Objectives

• Define ethics, transparency, accountability, and responsibility in AI
• Identify ethical issues in AI scenarios
• Explain how transparency supports responsible AI decisions+ Show more

Learning Objectives

• Define the terms flowchart, process, decision, and symbol.
• Identify what different flowchart symbols and arrows mean in a simple process.
• Create a simple flowchart from a short set of steps with one decision.+ Show more

Learning Objectives

• Define the terms claim, evidence, conclusion, and support and explain how they connect.
• Interpret information from a graph or table to decide whether a claim is supported.
• Justify answers by citing specific evidence from data displays.+ Show more

Learning Objectives

• Identify what a table is used for when organizing information by categories.
• Choose the best chart type to help compare data shown in collected results.
• Explain how charts and tables make it easier to analyze and communicate information.+ Show more

Learning Objectives

• Identify the correct order of stages in the Software Development Lifecycle (planning, designing, building, testing, deploying, maintaining).
• Explain how testing and maintenance reduce risks after a new release.
• Apply SDLC stage vocabulary to scenarios involving apps, websites, and games.

Learning Objectives

• Define digital footprint and explain how online activity can leave traces over time
• Identify examples of online activity that contribute to a digital footprint
• Describe how responsible choices can create a positive online presence+ Show more

Learning Objectives

• Describe how to test a web project for working links, correct text display, and loaded images across devices and browsers
• Explain the steps for preparing and publishing a finished web project for an audience
• Identify common reasons a site is not launch-ready and propose practical fixes

Learning Objectives

• Define and explain the terms digital footprint and online presence.
• Describe how online choices can build a positive or negative reputation over time.
• Identify what information can leave a trace online and why it may be hard to remove.

Learning Objectives

• Define input, output, response, and interaction in the context of a program.
• Identify examples of input and output in everyday computer activities.
• Explain how changing input can change what a program outputs.

Learning Objectives

• Explain how a coding project plan helps guide building and reduce mistakes.
• Identify key parts of a plan, including a goal, features, inputs, outputs, and steps.
• Match project-planning vocabulary to its meaning.+ Show more

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 how two-factor authentication adds an extra layer of security after a password.
• Identify examples of verification codes and other second-step prompts.
• Describe why using more than one lock (more than one step) improves account safety.

Learning Objectives

• Identify key parts of bar graphs and pictographs, such as categories, quantities, and keys.
• Use the information in a bar graph or pictograph to answer questions about quantities and comparisons.
• Explain how bar heights and pictograph picture values show relationships between categories.

Learning Objectives

• Define evidence, analysis, and conclusion and explain how they connect.
• Use information from graphs, tables, and surveys to choose conclusions supported by evidence.
• Identify whether a claim is supported by reliable data.

Learning Objectives

• Explain how IP addresses identify devices on a network.
• Describe how DNS translates domain names into IP addresses.
• Trace how a browser uses DNS and IP addressing to reach a website.

Learning Objectives

• Calculate the mean of a numerical data set
• Find the median using correctly ordered values
• Compare mean and median when outliers are present+ Show more

Learning Objectives

• Explain how functions group reusable instructions into named blocks.
• Describe how parameters allow functions to work with different inputs.
• Identify when functions return values to provide information to the rest of a program.

Learning Objectives

• Identify the key parts of a bar graph and a pictograph, including categories and quantities
• Read values from a bar graph and a pictograph to compare data
• Explain how pictographs use symbols to represent quantities

Learning Objectives

• Explain how search engines use keywords to return results.
• Choose effective keywords and queries to improve search results.
• Compare broad searches with more focused searches.

Learning Objectives

• Explain how accessible web design supports users with different abilities and devices.
• Identify common accessibility features and describe why they matter for usability.
• Apply web publishing checks such as link verification and layout testing before release.

Learning Objectives

• Explain how encryption protects information by making it unreadable without the correct key
• Describe how authentication verifies that a user or device is allowed to access data or services
• Distinguish between encryption and authentication in common security scenarios

Learning Objectives

• Define cyberbullying and identify related behaviors such as harassment
• Describe how a bystander can respond and when to report harmful messages
• Select safe online actions using examples and scenarios

Learning Objectives

• Explain how phishing and social engineering try to trick people into sharing private information.
• Identify warning signs of scams, including urgency, suspicious links, and requests for personal data.
• Apply strategies to respond safely to suspicious messages.

Learning Objectives

• Use source, purpose, date, and evidence to judge whether information online is reliable.
• Distinguish between reliable information and content with weak or missing evidence.
• Explain how credibility can change when an author or source is unclear.

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 multi-factor authentication improves account security.
• Identify what a factor and verification are in an MFA system.
• Compare single-factor and multi-factor authentication in real-life login scenarios.

Learning Objectives

• Explain why software updates, strong account security, and backups help protect devices and data
• Identify good cybersecurity habits for everyday device use
• Match common cybersecurity terms to their meanings+ Show more

Learning Objectives

• Define conditional, branch, rule, and decision in the context of simple programming.
• Identify how if, else, and otherwise choose different outcomes based on conditions.
• Complete a short branching program description using the correct vocabulary.+ Show more

Learning Objectives

• Explain how recommendation systems use past choices and patterns to make suggestions.
• Use lesson vocabulary (recommendation, preference, suggestion, algorithm) correctly in sentences.
• Evaluate how recommendations can influence what people see online.

Learning Objectives

• Explain how authentication verifies a user’s identity before granting access to systems or data.
• Describe how access control uses permissions and roles to limit what users can do after login.
• Compare password-based authentication with multi-factor authentication and evaluate security trade-offs.+ Show more

Learning Objectives

• Identify key information in bar graphs, line graphs, and pictographs.
• Use graph vocabulary to describe and compare data (graph, chart, category, compare).
• Interpret scales, axes, and labels to answer questions about data sets.+ Show more

Learning Objectives

• Explain the meaning of efficiency, performance, and resource use in algorithms.
• Compare two algorithms for the same task using ideas like time and memory.
• Identify ways to optimize an algorithm without changing its correct output.+ Show more

Learning Objectives

• Identify the base case and the recursive step in a recursive algorithm
• Trace repeated steps in recursion to predict outputs and termination
• Recognize patterns where recursion is appropriate compared to iteration

Learning Objectives

• Define the terms condition, branch, logic, and outcome in the context of algorithms.
• Identify how an algorithm chooses different paths based on conditions.
• Use if/else reasoning to predict the outcome for a given scenario.+ Show more

Learning Objectives

• Explain what malware is and identify common types such as viruses and ransomware.
• Describe practical device protection strategies to reduce cybersecurity risks.
• Use key vocabulary (malware, virus, ransomware, protection) in accurate sentences.

Learning Objectives

• Define key network vocabulary such as network, node, connection, and infrastructure.
• Describe the roles of devices and network infrastructure in sending information.
• Explain how local and global communication can use networks.+ Show more

Learning Objectives

• Define artificial intelligence and describe how it is used in everyday technology.
• Identify key AI vocabulary words: prediction, pattern, and data.
• Explain how data helps AI make predictions using patterns.

Learning Objectives

• Identify how command order affects an algorithm’s outcome
• Reorder commands to match a desired outcome
• Use vocabulary (sequence, command, order, outcome) to describe programming steps+ Show more

Learning Objectives

• Use browser and URL checks to decide whether a link is trustworthy
• Explain how updates and secure settings protect devices from common threats
• Identify safe behaviors that reduce risk while browsing and downloading

Learning Objectives

• Explain how neural networks use layers of connected units to transform inputs into outputs.
• Describe the role of weights in learning and how deep learning increases modeling capacity with more layers.
• Interpret common neural network ideas such as inputs, layers, activation, and training objectives.