Check your brakes(pads and rotors)
Your hard drive. If this is happening your hard drive is already dead. Back up your most important data NOW and get a new hard drive.
A bad transmission. The sound is from metal grinding on eachother.
scraping sweeking grinding clicking sounds like something is grinding will be most apparent when turning
Cause you don't know how to drive
It CAN be CV joints, but it depends on the sound.
When you drive over a clicking bettle.
1. A duff drive axle at the end where it joins the drive hub 2. Collapsed wheel bearing (replace both sides) 3. Might need to replace brake discs and rotors
If you vehicle is front-wheel drive, more than likely, that grinding crunching sound when you turn is coming from the CV joints.
Check your oil level-could be the valvetrain.
check the U joints in the drive shaft
I actually had this problem with my first xbox. It turned out to be the hard drive.
A lot of times the grinding sound that is heard when going over bumps is actually the car scraping the cement. If it is not a serious problem then the best thing to do would be to drive slow over the bumps.