CS vocabulary

CS vocabulary

Lesson to help you study

What is a variable?

Can you remember?

Multiple Choice

What is a variable?

• A placeholder for a piece of information that can change.

• A placeholder for a piece of information that can't change.

Let's make some examples...

Some variable names:

Lives

Points

Moves

Colour

'Data' Section

These are the blocks we can use in Scratch to set and change the variables we have created!

I made two variables with these names:

Time: holds information, number of seconds that have passed.

Lives: holds information, number of lives the player has left

Multiple Choice

Does the variable with the name 'Lives' usually increase or decrease?

Multiple Select

Choose the pieces of information for which it would make sense to use the variable 'Colour' as a placeholder.

• 45

• -3

• "Grey"

• "F"

• "Red"

Loop

the action of doing something over and over again

Multiple Choice

How many times does the blue block run?

• forever

• -10

• 30

• never

• 10

Algorithm

a list of steps to finish a task!

here is an example of an algorithm to make a delicious cake!

if block

it is a super important and useful block!

In this example the pink, orange, purple and yellow blocks will run only if the Sprite 'Ball' is touching the Sprite 'Cat'.