Algorithms and Scratch Basics

1.

Multiple Choice

20 sec

1 pt

An organized set of rules or steps to perform an action, is also known as...

Scratch

Software

Algorithm

Block

2.

Multiple Choice

1 min

1 pt

An Algorithm has 4 main characteristics. It should be....

Doable, Creative, finite and precise

Doable, Understandable, finite and precise

Amazing, Understandable, finite and precise

Doable, Understandable, Infinite and precise

3.

Multiple Choice

1 min

1 pt

Start
Put your hand on the doorknob
Turn the doorknob to the side until it unlocks the door
Push or pull the door to open it
End
..................................................
What would be an appropiate title for this algorithm?

How to push a door

Steps to stand infront of a door

Steps to touch a doorknob

How to open a door

4.

Multiple Choice

1 min

1 pt

Any user should be able to perform an Algorithm without any problems, that means it should be....

Doable

Understandable

Infinite

Precise

5.

Multiple Choice

1 min

1 pt

If an Algorithm is performed correctly should always give same result, that means it should be....

Doable

Understandable

Finite

Precise

6.

Multiple Choice

1 min

1 pt

An Algorithm, should be easy to follow (clear). That means it should be...

Doable

Understandable

Finite

Precise

7.

Multiple Choice

1 min

1 pt

An Algorithm, should have a beginning and an end. That means it should be...

Doable

Understandable

Finite

Precise

8.

Multiple Choice

1 min

1 pt

Choose the option that better completes the statement.
"Algorithms are useful to help us...

write a tv show without pen and paper

perform any activity.

understand how to build a rocket in a full moon in mars when you are a unicorn

digest our food

9.

Multiple Choice

1 min

1 pt

Algorithms have ________ main characteristics.

3

6

4

5

10.

Multiple Choice

1 min

1 pt

A cooking recipe is a clear example of an Algorithm.

True

False

11.

Multiple Choice

1 min

1 pt

Scratch is a free programming language where you can create your own interactive stories, games, and animations.

True

False

12.

Multiple Choice

45 sec

1 pt

The Scratch logo contains a....

Koala

Cat

Lion

Dog

13.

Multiple Choice

20 sec

1 pt

According to the image, the order of the elements in scratch are...

1.Stage 2.Sprites 3.Blocks 4.Scripts

1.Stage 2.Blocks 3.Sprites 4.Scripts

1.Scripts 2.Blocks 3.Sprites 4.Stage

1.Scripts 2.Blocks 3.Stage 4.Sprites

14.

Multiple Choice

20 sec

1 pt

In scratch, this is the place where we program. Where we give orders to our sprites and backdrops.

Stage

Sprites

Blocks

Scripts

15.

Multiple Choice

20 sec

1 pt

In scratch, this is the place where we see all the animation happening. Where we put our backdrops and sprites.

Stage

Sprites

Blocks

Scripts

16.

Multiple Choice

20 sec

1 pt

In scratch, this is the place where we see all the possible commands for our project. Includes movement, control, events and other options.

Stage

Sprites

Blocks

Scripts

17.

Multiple Choice

20 sec

1 pt

In scratch, this where we create our characters or objects. We can import or create a new one that later on will be on the stage.

Stage

Sprites

Blocks

Scripts

18.

Multiple Choice

20 sec

1 pt

According to the image, when you click on the green flag....

It will show the backdrop called "Tittle" wait 5 seconds and then switch to the backdrop called "scene 1"

It will show the backdrop called "Tittle" wait 3 seconds and then switch to the backdrop called "scene 1"

It will show the backdrop called "Scene 1" wait 5 seconds and then switch to the backdrop called "title"

It will show a Sprite called "Tittle" wait 5 seconds and then switch to the costume called "scene 1"

19.

Multiple Choice

45 sec

1 pt

According to the image, when you click on the green flag, this sprite will....

Show and when the backdrop changes, it will hide and say "Hi!"

Hide and when the backdrop changes, it will show and say "Hello!"

Show and when the backdrop changes, it will change the backdrop again

hide and show the Tittle

20.

Multiple Choice

1 min

1 pt

For an action to perform in scratch , it needs first....

An event block

A control block

A sound block

A data block

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