Curated OER
Mittens! Mittens
Students investigate the warmth of different mittens. In this cold weather clothes lesson, students decide which pair of mittens are the warmest. Students record and discuss their results.
Curated OER
Why Oil and Water Don't Mix
Second graders explore why oil and water do not mix. They make and record their predictions and observe the experiment in which cooking oil is mixed with a glass of water. Students discuss why they think the oil and water did not mix and...
Curated OER
EVAPORATION/HUMIDITY
Third graders generate ideas as to where water goes when it disappears, predict what happen to water left on a plate overnight according to its' location, the evaporation of water on plates and come to a conclusion as to why the amounts...
Curated OER
Soil Buffering
Students observe the pH change of an acid mixture poured over soil in a filter. Since the buffering capability of soils differs, you may want to do this experiment with several different soil types.