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49-72 of 1,866 results for Materials Submitted by Barbra Bied Sperling

In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as... see more

12.103 explores the role of scientific knowledge, discovery, method, and argument in environmental policymaking from both... see more

Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you... see more

The purpose of this resource is to quantitatively evaluate the accuracy of a classification system. Students sort birds... see more

DLESE resources include electronic materials for both teachers and learners, such as lesson plans, maps, images, data... see more

Learners complete two simple experiments to prove the existence of air and air pressure which surround us. First, they... see more

This site has nice moving videos of the types of earth quakes.

This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an... see more

In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a... see more

Four teaching units show how NASA satellites measure ocean productivity. Topics cover: marine food web from producers to... see more

In this activity, learners explore how genetic switches function and the role of genetic switches in the process of... see more

The force of gravity is the focus of this demonstration using a ruler, string and a paper clip. Students observe that the... see more

In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion. They... see more

This formative assessment item uncovers misconception and student ideas about classifications of mammals. It will uncover... see more

The purpose of this resource is to develop a classification system for a set of objects and learn about hierarchical... see more

This is an interactive lecture where students answer questions about demonstrations shown in several movie files. They... see more

Helps students become proficient at observing & interpreting maps, learn architectural & cartographic terms, appreciate... see more

This 10-minute video discusses the "nanotech boom in Berkeley, where researchers are working to unlock the potential of... see more

This dataset, created by Joe Hull and Greg Langkamp of Seattle Central Community College, contains information on... see more

In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two... see more

In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in... see more

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection through... see more

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by... see more

This networked laboratory simulation provides an environment in which students can select from hundreds of standard... see more