Penny Lab
Standards

3210 Inq 2 Conduct scientific investigations that include testable
questions, verifiable hypotheses, and appropriate variables to explore
new phenomena or verify the experimental results of others.

3210 Inq 4. Determine if data supports or contradicts a hypothesis or
conclusion.

3210 Inq 5. Compare experimental evidence and conclusions with
those drawn by others about the same testable question.

3210.Inq.7 Analyze experimental results and identify possible sources
of experimental errors.

3210 Math 1 Choose and construct appropriate graphical
representations for a data set.
Objectives

To complete a lab safely

To create a graph

To compare data

To observe properties of water
Safety
Do
not drink any materials
Do not put any materials in your
eyes
Clean up when you are done
review
Cohesion
Surface
tension
Hydrogen bonds
Solution
Polarity
Angle
Scientific Method

1. Observation
 1b.
Inference- a guess or opinion

2. Hypothesis

3. Experiment

4. Data

5. Conclusion/Results

6. Theory
Hypothesis

I think ____ drops will fit on the penny with just
water.

I think ____ drops will fit on the penny for the
solution.
Parts

Part A- just water

Part B- solution

Part C-questions
Procedure
 Every
group will do the control with just water
 Repeat four times then calculate the average
(add total and divide by four)
 Measure 3 grams of another substance and mix
it with water
 Repeat four more times and calculate the
average
 Put your averages on the white board
 Answer the questions
 Create a graph comparing the class data
Procedure

Use a piece of paper to weigh the substance

Be sure to stir it together

Everything can be rinsed down the sink