Curated OER
String Telephones and Musical Straws
Fourth graders investigate pitches of sound. In this physical science lesson, 4th graders participate in two activities that help them explore pitch--one activity has them working with string telephones and the amount of tension applied...
Curated OER
Science: The Age of the Redwoods
Students discover how to estimate the age of redwood trees. They measure the trees' diameters by using string to calculate the circumferences. Students conclude by discussing the science of dendrochronolgy.
Curated OER
Listening Devices
Students design and construct a listening device that will allow them to listen to the sound generated by specific object inside a box.
Chymist
Landfills and Recycling
Examine the nature of landfills through experimentation. Scholars build miniature landfills and monitor changes over a six-week period. Observations allow individuals to draw conclusions about the different types of trash and their...
Curated OER
Spuds in Space
Students explore the effects of velocity on an object when it collides with another object. They design and outfit a potato astronaut in a spacesuit to withstand the hazards of high velocity impacts from space debris and meteoroids.
Curated OER
Spear Point Production
Students explore that prehistoric people had to have a good knowledge of the physical world around them in order to choose the best material for spear production. They also explore that prehistoric people were intelligent beings who...
Curated OER
Magnetic Discovery Bottle
Students examine how to conduct simple investigations and use simple equipment to gather data. In this magnet activity students decide what types of objects are attracted to magnets.
Curated OER
Transistor Hunt
Students locate transistor devices in school. They explain the importance of transistors.
Curated OER
Grid it, Map it
Students participate in designing a city layout using grids and coordinates. They work on a city space and create a grid on a life size layout on the gym floor.
Curated OER
Find It!
Students analyze the basic concept of Global Positioning Systems using triangulation and measurement on a small scale in the classroom. They describe a satellite and how it helps in locating a person on Earth. They explain how...
Curated OER
2 x 2
Students work together to grid a 2 x 2 meter unit using the formula for the Pythagorean Theorem. After creating the grid, they identify the location of artifacts and create a map of their location. They develop a graph and table of their...
Curated OER
Redwood Trees: How Tall?
High schoolers practice measuring the height of redwood trees. On a group walk, they observe the height of various trees and identify the species. In groups, they use their geometry skills and other techniques to measure the tree and...