1. Design Lab how to

2. How does the amount of playdoh affect the density of playdoh?
Research Question

3. Independent Variable: Amount of playdoh
Dependent Variable: Density of playdoh
If I decrease the amount of playdoh, then the density of the playdoh will remain the same because density is an intensive property of matter which is not affected by the amount of a substance.
hypothesis

4. Manipulating variables
Independent Variable: Amount of playdoh
Trial 1: 2.0g
Trial 2: 1.0 g
Trial 3: 0.5 g
Trial 4: 0.25 g
After each trial we will use a knife to cut the playdoh in half.
Dependent Variable: Density of playdoh
In order to measure the density of the playdoh we will have to take the mass of the playdoh using a graduated cylinder and then find the volume using a graduated cylinder. We will divide these two value (mass/volume) to calculate the density.
Units: g/mL
Manipulating variables

5. Should be specific (as in someone else could follow these exactly)
Should tell the reader how to repeat
Use previous labs from this semester as an example (all can be found on the website)
Example) Next find the volume of the playdoh by dropping it into the graduated cylinder containing 20mL of water.
Procedures