Curated OER
The Marvels of the Molecule
Students experiment with common substances to observe molecular behavior. In this molecular properties lesson, students move through four stations as they try to inflate a balloon inside a bottle, pour water from a jar, and observe how...
Curated OER
The Science of Sound
In this explanation of sound learning exercise, learners discover what sound is, how different sounds are made, frequency, how sound travels, how we hear, and a summarization. In this physical science learning exercise, students answer...
Yale University
Airplane Mathematics
The history of aerodynamics is rich with experimentation and international collaboration. Author Joyce Bryant relays this dynamic past and provides math word problems using the formula of lift, the force that makes airplanes fly. She...
Curated OER
Science: Discovering Earth's Air Prressure
Fourth graders discover earth's air pressure through observation of several experiments. In the "Experiment of the Leaky Bottle," they observe how air pressure forces water out of the lowest hole farther than the holes above it. In...
Curated OER
Science: The Changing Life of Air Pressure
Fourth graders observe demonstrations how heated air rises and becomes a low pressure area. After watching several teacher-conducted experiments, 4th graders, in groups, discuss and answer questions in their journals. Finally, they...