Egg Lab / Diffusion / Osmosis

What is the special name for water crossing in and out of a cell?

• Simple diffusion

• Facilitated Diffusion

• Active Transport

• Osmosis

What was the independent variable in this lab?

• The type of liquid used each day

• The mass of the egg

• The amount of liquid in the cup

• The cup we were using

What was the dependent variable in this lab?

• The type of liquid used each day

• The mass of the egg

• The amount of liquid in the cup

• The cup we were using

Select two constant variables from this lab

• The type of liquid used each day

• The mass of the egg

• The amount of liquid in the cup

• The cup we were using

The egg would gain mass if placed in a ____________ solution

• Hypertonic

• Hypotonic

• Isotonic

• Osmotonic

The egg lost mass in the corn syrup. This means that corn syrup is a ____________ solution

• Hypertonic

• Hypotonic

• Isotonic

• Osmotonic

The egg mass changed very little when placed in water. Why?

• No solute went in or out

• It must be close to an isotonic solution

• Water cannot cross in and out of the egg

Which type of transport was demonstrated throughout this lab?

• Passive Transport

• Active Transport

In the egg lab, what effect did the vinegar have on the egg?

• the acid in the vinegar moved into the egg, causing it to enlarge

• the water in the vinegar dissolved the shell

• the acid in the vinegar dissolved the shell

• the water in the vinegar left the egg, causing it to get smaller

Which of the following correctly lists the order of liquids that the egg was placed in during the egg lab?

• vinegar, corn syrup, water

• vinegar, water, corn syrup

• water, corn syrup, vinegar

• corn syrup, water, vinegar