Slides themselves typically don't have transitions unless you specifically choose to add them.
Odds are the objects you have on the slides have the transitions applied. Normally objects (Buttons, Captions, Etc) have a Fade in and Fade Out transition. So you will need to explore changing the transitions for the objects.
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Yikes, Rick! Changing the transitions for objects? Can you give me a hint? By the way, thank you so much for all of your help! You're tops!
when you add any object to a slide, there is an option in the properties panel for "transition." The default is 'Fade in and out.'
You can change the default for most objects in the Object Style Manager. Once changed for an object style, the change will propagate to all objects with that defined style. Some objects you have to change manually when you add them to the slide.
Thank you so much for this. You helped me immensely!