Understanding the difference between RAISE and RISE

I'm using Objective CAE (2nd edition) with one of my Cambridge Advanced students, and in Unit 23, there is a clip about asking for a pay rise. 

My student and I emailed about the difference between the verbs RAISE and RISE, and I thought I'd repost it here (very briefly).

The present forms are very similar. The past forms are very different.

• raise, raised, raised
• rise, rose, risen

The meanings are very similar. They both mean "lift up".

RAISE takes an OBJECT.   

• You raise your hand in class. 
• You raise you glass when you make a toast.
• You raise a flag at a parade. 
• You raise a point in a meeting (bring up a point). 
• In the U.S., when you want more money at work, you ask for a pay raise. ***

Children raising their hands

RISE does not take an object. The thing does it by itself.

• The sun rises in the morning and sets in the evening. 
• The economic crisis is getting worse, so unemployment is rising.
• Breads, cakes and muffins rise in the oven (get taller). 
• From the King James version of the Bible (1 Corinthians 15:4)   And that he was buried, and that he rose again the third day according to the scriptures. 
• In the UK, when you want more money at work, you ask for a pay rise. ***

A lovely sunrise in Dublin

Photo credits

Dublin sunrise: Photo Credit: <ahref="http://www.flickr.com/photos/20005495@N00/7899655/">Janesdead</a> via <a href="http://compfight.com">Compfight</a> <a href="http://creativecommons.org/licenses/by-nc-sa/2.0/">cc</a>

Classroom: Photo Credit: <a href="http://www.flickr.com/photos/65304769@N05/7403731050/">www.audio-luci-store.it</a> via <a href="http://compfight.com">Compfight</a> <a href="http://creativecommons.org/licenses/by/2.0/">cc</a>