Scratch Basics
What is the purpose of the MOTION category in Scratch?
It allows sprites to move and change direction.
What is the purpose of IF in a conditional statement?
It checks whether a condition is true.
What is a network?
A system of connected devices that share data.
What is stop-motion animation?
A filming technique where still images are played in sequence to create movement.
What are the X and Y coordinates in Scratch used for?
Positioning sprites on the stage.
What category contains actions like changing a sprite’s size and color?
LOOKS category.
What does ‘+’ do when used with two variables?
It adds them together.
Name two types of network connections.
Wired and wireless.
What is a green screen used for?
It allows backgrounds to be replaced in editing.
What block would you use to repeat an action forever?
The "FOREVER" loop block.
What does the EVENTS category do in Scratch?
It detects triggers like when a sprite is clicked or a key is pressed.
How can you make a variable in Scratch?
Use the "Make a Variable" button under the VARIABLES category.
What is phishing?
A cyberattack where someone tricks you into revealing sensitive information.
How do you navigate between sheets in a spreadsheet?
Click the sheet tabs at the bottom.
How do you make a sprite move in Scratch?
Use a "move [steps] steps" block.
How can you have Scratch accept input from a user?
Use the "ask [question] and wait" block.
What happens if an ELSE statement is missing in a conditional structure?
The program may not handle incorrect cases properly.
What is the role of a firewall in a network?
It protects against unauthorized access.
What is the difference between rows and columns?
Rows run across, columns run up and down.
How do you structure an algorithm for a game in Scratch?
Plan the sequence of actions using event, control, motion, and conditional blocks.
How can you use conditional statements in Scratch to check a user’s answer?
Use an "IF THEN ELSE" block to compare input with the correct answer.
What is debugging in Scratch?
Identifying and fixing errors in code.
Name two biometric security methods.
Fingerprint scanning, retinal scanning.
How do you change the width of multiple columns at once?
Select them, then drag the column border or use the format menu.
What is an example of a bug in Scratch?
A sprite not responding to user input as expected.