1.
having a mechanism that makes something move quickly upward
2.
appearing quickly and temporarily on a computer screen when a special key is pressed or a button is clicked with a mouse
3.
containing cut-out figures that rise up as a page is opened
4.
a pop-up book or card has pictures inside that have been cut out so that they stand up when you open the pages
5.
a pop-up toaster pushes the pieces of bread up when they are ready to eat
1.
having a mechanism that makes something move quickly upward
2.
appearing quickly and temporarily on a computer screen when a special key is pressed or a button is clicked with a mouse
3.
containing cut-out figures that rise up as a page is opened
4.
a pop-up book or card has pictures inside that have been cut out so that they stand up when you open the pages
5.
a pop-up toaster pushes the pieces of bread up when they are ready to eat