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Computer science and coding worksheets for students

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Computer science and coding worksheets for students

Example result

Example for the Standard package

Worksheet set: the water cycle for Grade 4

Worksheet 2: Stages of the water cycle

Name: ____________ Date: ________

A. Multiple choice (circle one)

  1. When the sun heats water in a lake, the water turns into vapour. This is called… a) condensation b) evaporation c) precipitation d) collection
  2. Clouds are made of… a) smoke b) water vapour only c) tiny water droplets or ice crystals d) cotton
  3. Which of these is not precipitation? a) rain b) snow c) hail d) fog

B. True or false

  1. Water evaporates only in summer. ______
  2. Plants release water vapour through their leaves. ______
  3. The same water has been moving around Earth for millions of years. ______

C. Matching

WordMeaning
7. CondensationA. Water falling from clouds
8. PrecipitationB. Water gathering in oceans, lakes and underground
9. CollectionC. Vapour cooling and turning into droplets

D. Fill in the blanks

  1. Water vapour rises, ________ (cools / heats up) and forms clouds.
  2. Water that soaks into the ground is called ________ water.

Answer key with explanations

#AnswerWhy
1bEvaporation means liquid becomes gas when heated
2cVapour is invisible; we see clouds because it has already condensed into droplets
3dFog is a cloud near the ground; nothing falls from it
4FalseWater evaporates all year, just more slowly when it's cold
5TrueThis is called transpiration
6TrueEarth doesn't get new water; the same water keeps cycling
7–9C, A, BOrder of the cycle: condense → fall → collect
10coolsCold air holds less vapour, so droplets form
11groundGroundwater feeds wells and springs

Teacher tip: before worksheet 2, show a cold glass "sweating" in a warm room. Pupils who saw it get question 7 right far more often.

Client: an elementary school teacher. Topic: the water cycle. Level: Grade 4 (ages 9–10). Set: 5 worksheets, 50 tasks in total, answer key with short explanations. Below: worksheet 2 and its key.

The client and all details are made up.

About this service

We write computer science worksheets for school and early college classes: binary and hexadecimal conversion, logic gates and truth tables, algorithms in pseudocode, tracing tables for short programs, debugging tasks with a planted error, and questions on networks, data and online safety. Code tasks are written in the language your class uses, such as Python, JavaScript or the pseudocode of your exam board, and every answer in the key is traced step by step. Scratch tasks are described in words, since we deliver text.

What is included

  • What you getComputer science questions or worksheets with code and tracing tasks and a step-by-step answer key. You get the text on the order page and, if you like, a Word file or PDF for class.
  • Number systemsBinary, hex and conversions
  • Logic and gatesTruth tables and expressions
  • Tracing tablesFollow a program line by line
  • Find the bugShort code with a planted error
  • Step-by-step keyEvery answer worked out

How it works

  1. 1
    BriefYou give topics, level and language
  2. 2
    WritingWe write tasks and trace every answer
  3. 3
    DeliveryYou get worksheets and the key

What we need from you

The topics, the age or grade, the programming language or pseudocode style, the curriculum or exam board and whether you need quick questions or full worksheets.

We will ask you:

  • Which topics should the worksheets cover?
  • Which grade or course?
  • Which programming language or pseudocode do students use?
  • Will students work on paper or at a computer?

Compare packages

PackagesBasic20 computing questions$10StandardUp to 50 questions or 5 worksheets$20PremiumUp to 120 questions or 15 worksheets$39
Deadline1 day2 days3 days
Revisions123
Questions20up to 50up to 120
Or worksheetsNoup to 5up to 15
Answer key with explanationsYesYesYes
Order BasicOrder StandardOrder Premium

Payment protection

You pay when you order, but the money is released only for accepted work.

  • Fixed priceThe package price does not change after you pay.
  • The money is reservedWhen you pay, the amount is only reserved. It is released to the service once you accept the work.
  • Checked before deliveryEvery result goes through a quality check before it reaches you, and you see it on the order page before accepting it.
  • Free revisionsAsk for changes within your brief as many times as the package allows.
  • Acceptance after 3 daysIf within 3 days of delivery you neither accept the work nor ask for changes, it is accepted automatically. If you write in the order chat after delivery, the order waits; once we answer, we may start the 3 days again and will say so in the chat.
  • Redo or a full refundIf the result does not match your brief and the revisions did not fix it, or the work takes more than twice its deadline, write in the order chat: we will redo the work or refund the payment in full.
How it works →

Questions and answers

Do you run the code in the tasks?

We trace each program by hand step by step in the key. Try the code yourself before class if students will run it.

Can the tasks follow my exam board's pseudocode?

Yes. Attach the pseudocode guide as PDF or Word, or paste a short example, and we use its keywords.

Can I get it as a file to print?

Yes. Besides the text on the order page you can get a Word file or a PDF made from it. The file has clean headings and spacing but no pictures or decorative design.

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