Forensic Science- Diffusion/Osmosis Quiz

Water will move from a ______ environment to a _______ environment until equilibrium is reached.

• hypertonic; hypotonic
• hypotonic; hypertonic

The dialysis tubing that was used in the experiment was

• impermeable
• permeable
• selectively permeable

To determine if water moved into the bag, you would measure the amount of water in the beaker before and after the experiment.

• True
• False

The permeability of the dialysis tubing was controlled by the size of pores in the tubing.

• True
• False

In the experiment, the contents in the beaker was considered hypertonic, while the contents in the bag were considered hypotonic.

• True
• False

The reason more water moved from the beaker into the bag is because there was less water in the bag.

• True
• False

When you weigh the bag to see if water moved into the bag, this would represent a qualitative or quantitative measurement?

• qualitative
• quantitative

Which substance listed below served as a indicator of starch in the bag?

• water
• sugar
• iodine

What was the main determinant factor affecting the movement of iodine from the beaker into the bag?

• size of pores in the bag
• absence of iodine in the beaker
• the amount of water in the beaker

The reason the starch did not move out of the bag is because each starch molecule was to large to move through the smaller pores in the bag.

• True
• False