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How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.

In this activity, learners will make and launch feather rockets. Lerners will use science process skils such as making predictions and measuring while launching the rockets.

In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line.

In this math activity, learners observe and sketch cracking patterns in pavement.

In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.