PBS
Pbs Learning Media: Sesame Street: Sink or Float Educator Guide
This is an educator's guide for a unit on things that sink or float. It includes lesson plans, experiments, and activities. Students apply the scientific method as they investigate whether objects sink or float.
Science Education Resource Center at Carleton College
Serc: Bubbling Blobs
In this chemistry lab, students investigate how oil and water don't mix. They will work on their observation skills and their ability to follow directions to ensure they get the correct results. Students can then develop a new, testable...
PBS
Pbs Teachers: Daredevil Ball Jump Experiment
Construct a device to measure the height of a bounced ball, then compare the bouncing heights of various types of balls. Record the results on a chart.
TeachEngineering
Teach Engineering: Is It Safe to Drink?
In this activity, the students will conduct an investigation to purify water. Students will engineer a method for cleaning water, discover the most effective way to filter water, and practice conducting a scientific experiment.