Lesson Plan - Hydrometer
Description:
Within this lesson, Jordan and I will be teaching students about the hydrometer, and how they
will use it in the CSI experience at the Children’s Museum
Context:
Grade: 4th
Number: 4 groups of 7 children
Time: 30 minutes per group
Materials:
Hydrometer
Samples of:
-pure H2O
- muddy H20
- Koolaid
- Salt H2O
Tub for overflow of liquids
Tools Booklet
Procedure and Time:
Time
5 min
Active Learning
What is a hydrometer?
- Asking kids what they know about it, what they
see on the tool, and what it might do
10 mins
What is density?
- Explaining what density is and how you use the
hydrometer to measure it
15minutes
Measuring density of pure h2o
- Why is it 0.00?
Measure coke
Measure muddy water
Measure Koolaid
Measure salt water
Write in Tools Booklet of what they have learned
and how it will fit into the CSI experiement.
Materials
Hydrometer
Hydrometer, pure water
sample
Hydrometer, Coke sample
Muddy water, hydrometer
Koolaid, hydrometer
Salt water, hydrometer
booklet