App Inventer

Question 1

Event

Answer 1

An action that causes something to happen (these are the mustard yellow blocks in App Inventor)

Question 2

Command

Answer 2

The blocks of code that actually do the work of the app (These are the blocks that go inside the yellow blocks)

Question 3

Palette

Answer 3

The section in the design view that shows a list of components that you can add to your app

Question 4

Components

Answer 4

The section in the design view that shows what items have already been added to your app

Question 5

Properties

Answer 5

The section in the design view that shows what you can change about the current component

Question 6

Media

Answer 6

The section in the design view that shows any images and sounds you have currently uploaded to your app

Question 7

Viewer

Answer 7

The section in the design view that shows what the app will look like

Question 8

Blockly

Answer 8

Blockly is the name of the visual programming editor that App Inventor uses to make the blocks in the browser.

Question 9

Designer

Answer 9

The screen where you can drag and drop component pieces and design your app.

Question 10

Accelerometer sensor

Answer 10

Non-visible component that can detect shaking

Question 11

Fill parent

Answer 11

A setting in AppInventor that resizes a component to fit the space available.

Question 12

Horizontal arrangement

Answer 12

A component in AppInventor that lets you place things next to each other horizontally

Question 13

Heading

Answer 13

A property of the “ball” component in AppInventor. This specifies the direction in which the ball travels
Heading is measured in degrees

Question 14

Interval

Answer 14

A property of the “ball” component in AppInventor. This specifies the frequency of the ball movement
Interval is measure in milliseconds

Question 15

Radius

Answer 15

A property of the “ball” component in AppInventor. This specifies the size of the ball
Radius is measured in pixels

Question 16

Speed

Answer 16

A property of the “ball” component in AppInventor. This specifies how fast the ball travels
Speed is measured in pixels per second

Question 17

Canvas

Answer 17

A two-dimensional touch-sensitive rectangular panel in App Inventor on which drawing can be done and sprites (images) or a ball object can be moved.

Question 18

If block

Answer 18

A set of rules performed if a certain condition is met.

Question 19

Clock

Answer 19

Non-visible component that provides the instant in time using the internal clock on the phone. It can fire a timer at regularly set intervals

Question 20

ImageSprite

Answer 20

A ‘sprite’ that can be placed on a Canvas, where it can react to touches and drags, interact with other sprites