Use the Morph transition

1. Select a slide that has a picture or shape and select Insert > New Slide.

2. Choose Duplicate Slide.

3. Move the picture or shape on the second slide to a different place or Copy and Paste the picture or shape from one slide and add it to the next. 

4. Select the second slide thumbnail and select Transitions > Morph. 

For more info, see Morph transition: Tips and tricks.

1. Right-click a slide thumbnail that has a picture or shape and select Duplicate Slide.

2. Move the picture or shape on the second slide to a different place or Copy and Paste the picture or shape from one slide and add it to the next. 

3. Select the second slide thumbnail and select Transitions > Morph. 

For more info, see Morph transition: Tips and tricks.