Turtle: Pens, Colours, Filling, Circle

Turtle: Pens and Colours

Changing pen and fill colours

Multiple Select

In this lesson I am going to learn to ... ?

• Use turtle pen colours

• Use turtle pen sizes

• Use turtle fill colour

• Draw circles

Multiple Select

Choose two lines of code that would change the pen thickness of a turtle to 12 pixels

• turtle.pensize(12)

• turtle.width(12)

• turtle.thickness(12)

• turtle.line(12)

Fill in the Blanks

Type a line of code to set the line thickness of a turtle called "alice" to 20 pixels ...

Multiple Choice

Which line of code sets the turtle fill colour to red?

• turtle.fillcolor(''red")

• turtle.pencolor("red")

• turtle.fillcolour(''red")

• turtle.pencolour("red")

Multiple Choice

Which lines of code will use a turtle called "alice" to draw a filled green square with a red outline?

Multiple Choice

The colour used here consists of ....

• some red

  lots of green

  no blue

• some blue

  lots of red

  no green

• some green

  lots of blue

  no red

• some red

  lots of blue

  no green

Fill in the Blanks

Representing a colour code is an example of the use of

numbers in computer science

Multiple Choice

How many named RGB colours are there?

• 140

• 40

• 240

• 11

Fill in the Blanks

'alice' is an example of using meaningful

in a program

Multiple Choice

What would this code draw:

alice.circle(180)

• A circle of radius 180

• A semi-circle of radius 180

• A circle of diameter 180

• A circle drawn in 180 steps

Multiple Choice

What line of code would get a turtle called alice to draw a quarter circle of radius 120?

• alice.circle(120,90)

• alice.circle(90,120)

• alice.circle(120)

• alice.circle(90)

Multiple Choice

What line of code would get a turtle called alice to draw the smoothest full circle of radius 180?

• alice.circle(180,360,360)

• alice.circle(180,360)

• alice.circle(360,360)

• alice.circle(180,360,180)

Multiple Choice

Predict the output of this program ...

• 7 horizontal lines of different colours and widths

• 7 vertical lines of different colours

• 7 circles of different colours and radius

• 7 turtles each drawing a different coloured line

Fill in the Blanks

Type the name of a data structure ...

Fill in the Blanks

Type the line number where a data structure is indexed ...

Fill in the Blanks

Type the name of a turtle object ...

Fill in the Blanks

Type the line number that controls how many lines are drawn ...

Fill in the Blanks

Type the line number that controls the width of each line ...

Fill in the Blanks

Type the line number that controls the length of each line ...

Multiple Choice

What is the purpose of line 16?

• Prevents turtle window closing when drawing is finished

• Stops the turtle from drawing any more

• Deletes the turtle object

• Gives the turtle a rest

Multiple Select

In this lesson I have learned to ...

• Use turtle pen colours

• Use turtle pen sizes

• Use turtle fill colour

• Draw circles

Open Ended

Thinking Hard

Now you have finished the today's task, what questions do you still want answered?

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it