Name ___________________________ Period _____ Date _______________________
Density Study Guide
IMS
A Salty Solu tion:
Objective: Investigate whether space exists even among the molecules that make up
water.
1. What did you find out?
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
2. What quality does salt have that allows it to work for this experiment?
________________________________________________________________________
Wat-ar Densities;
Objective: Determine the density of water.
3. What is the density of water?_____________
4. The density of pure water is not always the same. Give an example of when it is
different:
________________________________________________________________________
________________________________________________________________________
The Orange’s Secret;
Objective:
a. Find the mass and volume by water displacement to determine the density of oranges.
b. Find out what happens when an object’s density is less than water’s density.
5. Compare the density of the orange when it is peeled and unpeeled.
Unpeeled
Peeled
Name ___________________________ Period _____ Date _______________________
Deep Sea Diver Relays;
Objective: Investigate how changes in the design of a Cartesian Diver will affect its
performance and relate this to its density.
6. What causes the diver (dropper) to descend?
________________________________________________________________________
________________________________________________________________________
7. How does this relate to its density?
________________________________________________________________________
________________________________________________________________________
8. What causes the diver (dropper) to ascend?
________________________________________________________________________
________________________________________________________________________
9. How does this relate to its density?
________________________________________________________________________
________________________________________________________________________
10. What is the density equal to when the dropper is in the middle of the container?
________________________________________________________________________
Some Like it Salty;
Objective: Observe a fresh egg in both fresh water and salt water and make inferences as
to the water’s density.
11. Which has a greater density. Regular water or salt water? _____________________
12. How can you tell without measuring? _____________________________________
________________________________________________________________________
13. How did it become more dense? __________________________________________
________________________________________________________________________
Denser Sensor:
Objective: Measure mass and volume of some liquids to determine relative densities.
Determine the relative densities of various solid objects by observing if they sink or float.
14. Where are the most dense objects or liquids? ________________________________
15. What formula do you use to calculate density? ______________________________