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WorksheetsMartins Akindele
Total questions: 35
Worksheet time: 20mins
How many classes should you have for face training?
One
Two or more
Ten
None
What kind of task is face detection?
Music task
AI Vision task
Dance task
Typing task
What is used to control how long blocks run?
Green flag
Timer or wait block
Say block
Move block
Which is NOT an input for AI training?
Image
Label
Sound
Webcam
What can you do if the model misclassifies?
Ignore it
Add better samples
Delete all
Skip the training
How do you know if your AI is improving?
Accuracy goes higher
Blocks turn yellow
Faces disappear
Green flag flashes
Where can you upload your trained model?
Inside a folder
Into a PictoBlox project
On Facebook
On MS Paint
What block is used to start a project in PictoBlox?
say Hello
when green flag clicked
repeat 10 times
hide
What is used to collect pictures for AI training?
Paint brush
Speaker
Webcam
Music block
What does an AI model do in PictoBlox?
Tells stories
Learns from pictures
Plays videos
Opens Scratch
What is the “Train Model” button used for?
Print pictures
Make sprite walk
Train the AI to recognize data
Take screenshots
What does a high accuracy mean after training?
Model guessed wrongly
Model learned correctly
Model is slow
Model forgot the pictures
How can you improve your model’s accuracy?
Add more images
Use fewer blocks
Type faster
Change the background
What happens during an epoch?
Model sleeps
Model learns over the pictures
Computer turns off
Sprite hides
What’s the purpose of the “forever” block?
It runs one time
It repeats many times
It moves the sprite
It shows a mesage
What is the purpose of the “Add Extension” button in PictoBlox?
To change the color of the sprite
To play music
To add extra features like AI, Face Detection, or IoT
To turn off the program
Where can you find the “Add Extension” button in PictoBlox?
On the green flag
Bottom-left corner of the stage
Inside the sprite settings
In the Looks blocks
Which of these is an extension you can add in PictoBlox?
Drawing Extension
Internet Browser
Machine Learning Extension
Paint Extension
What must you do before using face detection blocks?
Add Looks extension
Add Machine Learning extension
Add Motion extension
Restart PictoBlox
What happens after you successfully add an extension in PictoBlox?
You unlock more blocks and categories
The sprite disappears
The program closes
You change the stage background
What is classification in AI?
Sorting into groups like "Happy" or "Sad"
Predicting height
Moving sprites
Adding colors
What is regression in AI?
Predicting a number like age or temperature
Grouping pictures
Showing names
Playing sounds
Why do we drop some columns when training a model?
To make it colorful
To make the model learn better
To confuse the model
To delete everything
What does it mean to convert text to numbers in ML?
Turn "Yes" into 1 and "No" into 0
Write poems with numbers
Use calculators
Make sounds from letters
In PictoBlox, how do you know if your model is classification or regression?
By the color of the block
By the number of images
Based on your project goal: group = classification, number = regression
All models are the same
What is a sprite in PictoBlox?
A picture block
The character that follows blocks
A number
An image format
What happens if you don’t give labels?
The AI guesses randomly
The AI becomes smart
The model sings
Nothing changes
What is a dataset?
A kind of set used in Math
A group of images or files used to train AI
A programming block
A costume file
What format can you use to upload images?
TXT
JPG
DOC
How do you add labels during training?
By drawing
Typing names for each image
Dragging sound blocks
Using music
Explain what a label is in AI training
(a)
Write 2 steps to collect data for face detection using a webcam in Pictoblox.
(a)
What do you do if the AI model doesn’t work correctly after training?
(a)
What is the meaning of epoch in model training?
(a)
Write one difference between training with 5 images and training with 50 images.
(a)
