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Olympiad (Class 6) HTML, CSS and Scratch — practice questions — page 2

Explore 69 free HTML, CSS and Scratch questions in Olympiad (Class 6) Computer Science. Open each question or exercise to read its content, reference answers and available explanation.

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HTML, CSS and Scratch questions and exercises with answers

Showing questions 31–60 of 69.

A CSS rule is made of one or more selectors plus what?Read the answer and worked solution →Which symbol separates one declaration from the next inside a CSS block?Read the answer and worked solution →A block holds color: blue; margin: 4px; width: 50%; How many declarations are in it?Read the answer and worked solution →Which prefix marks an id selector in CSS?Read the answer and worked solution →Six cards should share one style, chosen with a dot prefix. Which selector is right?Read the answer and worked solution →An id value may be applied to how many elements in one page?Read the answer and worked solution →Which pseudo-class styles an element only while the pointer is over it?Read the answer and worked solution →Which selector styles only part of an element and uses a double colon?Read the answer and worked solution →Which long hex colour is the same as the short form #F00?Read the answer and worked solution →In rgb(), each colour part is given on a scale from 0 up to what?Read the answer and worked solution →What does the A add to RGBA compared with plain RGB?Read the answer and worked solution →A parent box is 500px wide. A child is set to width 80%. What is its width?Read the answer and worked solution →A viewport is 1000px wide. What width does 50vw give?Read the answer and worked solution →Which width value is written correctly in CSS?Read the answer and worked solution →A style element sets h1 to red. How many edits recolour 30 h1 headings blue?Read the answer and worked solution →An id rule and a class rule both colour one paragraph. Which one wins?Read the answer and worked solution →A style attribute says green; a style element says blue. What colour is the paragraph?Read the answer and worked solution →Which CSS feature lets one page look different on screen than on paper?Read the answer and worked solution →From which three sources can CSS information come?Read the answer and worked solution →What does the rule div .myClass {color: red;} colour?Read the answer and worked solution →Which body maintains the CSS specifications?Read the answer and worked solution →Are .Menu and .menu the same class in CSS?Read the answer and worked solution →Besides HTML, which of these markup formats can also use CSS?Read the answer and worked solution →Which institute's Media Lab develops Scratch?Read the answer and worked solution →Scratch lets children build programs from what?Read the answer and worked solution →Which three areas make up the main Scratch interface?Read the answer and worked solution →A sprite is placed at x = 0 and y = 0. Where is it on the stage?Read the answer and worked solution →Which control is pressed to run the scripts in a Scratch project?Read the answer and worked solution →To animate a sprite by changing how it looks, which tab edits its looks?Read the answer and worked solution →Where do blocks that a user creates appear in the palette?Read the answer and worked solution →

Worked practice questions

A CSS rule is made of one or more selectors plus what?

  1. A closing end tag
  2. A declaration block
  3. A hidden comment
  4. A document type line
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Correct answer: B. A declaration block

Each rule pairs selectors with a declaration block that holds the styling.

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Which symbol separates one declaration from the next inside a CSS block?

  1. #
  2. :
  3. .
  4. ;
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Correct answer: D. ;

A declaration block is a semicolon-separated list of declarations inside braces.

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A block holds color: blue; margin: 4px; width: 50%; How many declarations are in it?

  1. 3
  2. 2
  3. 6
  4. 4
Show answer and solution

Correct answer: A. 3

Each property with its value is one declaration, and three are separated by semicolons.

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