Measuring Volume by Displacement

Graduated cylinders always "count by 1's".

• False - not all graduated cylinders count by 1s.

• True - ALL graduated cylinders, no matter what size always count by 1s.

Water will often curve in graduated cylinders.

• TRUE - the water will curve, especially in glass and skinny graduated cylinders.

• FALSE - the water will always be straight across in the graduated cylinder

The volume of water in a graduated cylinder is 30 mL .  When a marble is placed in the graduated cylinder the water level rises to 50 mL.  What is the volume of the marble?

• 20 mL

• 80 mL