Unit 2: Properties

Front

The property being changed in this code is...

Back

fill

Answer explanation

Look at line 12. Notice that the fill property of the variable sky is being changed.

Front

Which variable has its centerX property set to 300?

Back

ball

Front

If you wanted to change the text in the variable called message:

Back

message.value = 'Bye'.

Answer explanation

The name of the variable is message. The name of the property is value. To change a property, you must do this message.value = 'Hello'.

Front

If you want to move one end of the variable ground up:

Back

ground.y1 = 200

Answer explanation

To move one end of a line up, you have to change either the y1 property or the y2 property- not the x1 or x2. Changing the y1 from 300 to 200 will move it up. Changing it to 350 will move it down.

Front

If you want to move one end of the variable ground up:

Back

ground.y1-=1

Answer explanation

To move one end of a line up, you have to change either the y1 property or the y2 property. If you want to change the value of ground.y1 you must use +=. += means ground.y1=ground.y1+1 which means that the new value of ground.y1 equals the old value plus 1.

Front

If you want to change the color of the background:

Back

background.fill = 'red'.

Front

If you want to make the box more transparent, you must change the opacity property like this:

Back

box.opacity-=50

Answer explanation

If you decrease the opacity, you increase the transparency. If you just use minus, then you don't change the opacity. You have to use -= to change the value of the opacity property for the box.

Front

If you want to hide the variable ball, you need to change the visible property like this:

Back

ball.visible = False

Front

If you want to hide the variable ball, you need to change the visible property like this:

Back

ball.visible = False

Answer explanation

If you misspell visible, it will not work and there will be no error message. It is very easy to misspell visible!

Front

Every property applies to every shape

Back

False

Answer explanation

radius does not apply to rectangles.