4/12 quiziz

What will happen when this code is run?

• The balloon will move down if the down arrow is pressed, otherwise it will move up.

• The balloon will move up if the up arrow is pressed, otherwise it will move down.

• The balloon will move down if the mouse is down, otherwise it will move up.

• The balloon will move up if the mouse is down, otherwise it will move down.

Study the code. What will happen to the sprite?

• The sprite will increase in size until it disappears and then decrease in size.

• The sprite will decrease in size until it disappears and then increase in size.

• The sprite will increase in size and then disappear.

• The sprite will decrease and then disappear.

When is using the else clause useful?

• When you want the program to do one thing when your condition is true, and a different thing when your condition is false.

• When you want the program to do two things at once.

• When you can't figure out what else to do.

• There is no need to ever use the else clause in programming.

What is the relationship between a Boolean and a Conditional?

• A Boolean and a Conditional are the same thing.

• A conditional asks a Boolean question and runs the code if the answer is true.

• A Boolean asks a conditional question and runs the code if the answer is false.

• A Boolean and conditional have no relationship to each other.

Adding to a sprite's x coordinate in a draw loop will make the sprite ____________.

• move left

• move right

• move up

• move down

Which of the following is the best description of what is happening in the program below?
// Create elephant sprite
var elephant = createSprite(200, 350);
elephant.setAnimation("elephant");
elephant.scale = 0.5;
elephant.velocityY = randomNumber(-3,-1);
// Create hippo sprite
var hippo = createSprite(200,50);
hippo.setAnimation("hippo");
hippo.scale = 0.5;
hippo.velocityY = randomNumber(1,3);
function draw(){
  // Draw background
  background("white");
 
  // Update Sprites
  hippo.displace(elephant);
 
  drawSprites();
}

• The elephant is moving up and the hippo is moving down. When the hippo and the elephant collide, the hippo pushes the elephant down with it.
• The elephant is moving down and the hippo is moving up. When the hippo and the elephant collide, the hippo pushes the elephant up with it.
• The elephant is moving up and the hippo is moving down. When the hippo and the elephant collide, the elephant pushes the hippo up with it.
• The elephant is moving down and the hippo is moving up. When the hippo and the elephant collide, the elephant pushes the hippo down with it.

Which of the squares in this program will be drawn?
drawRed();
function drawRed(){
  fill("red");
  rect(100,100,50,50);
}
function drawGreen(){
  fill("green");
  rect(300,300,50,50);
}
drawGreen();

• Both squares will be drawn.
• The red square will be drawn.
• The green square will be drawn.
• Neither square will be drawn.