Curated OER
HOW FAST DO SEDIMENT GRAINS OF DIFFERENT SIZES SETTLE?
Students conduct an experiment using sand, a jar, and a paper clip to analyze the effects of different kinds of sand vis a vis its sediment. They graph their findings and analyze for factors of size, shape, and density.
Curated OER
Are We Falling Apart? Exploding Volcanoes
Students explore how volcanoes are formed, list the parts and characteristics of volcanoes, state the differences in various types of lava, and analyze the volume of ejecta from a volcano.
Curated OER
Laboratory - Density of a Material
Students conduct a lab (with water, guar gum and sodium borate) and carefully record physical and chemical properties and changes throughout the session, and experiment with weighing by difference.
Curated OER
Settling Rates of Different Size Particles
Students discover how and why the settling rate of particles differs with the size of the particles. Using different soil samples, they calculate the amount of time it takes for a sample to settle in water for up to forty minutes. They...