Curated OER
Temperature and the Density of Air
Here is a hands-on activity in which junior scientists put air into a balloon to create a closed system. They measure its circumference, warm it in hot water, and then remeasure its circumference to discover how temperature affects the...
California Institute of Technology
Physics of Light
Gummy bears are tasty, but did you know they are also used to determine color and light properties? Use the activity as a way to demonstrate light absorption, light reflection, and refraction with high schooler....
Curated OER
Weighing and Determining the Average Density of the Earth
Some background information about density and Newton's Laws of gravitation and motion assist pupils in the following experiment. The procedure will help them further their understanding of gravity, pendulums, and a drop-ball experiment....
NOAA
Please Pass the Salt
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to...
Curated OER
Deducing Density
In this deducing density activity, students follow the procedures to set up an experiment about objects floating in water and liquids of different densities, answer questions, collect data and complete charts.
Curated OER
Density
In this density worksheet, students read a selection on density and answer 10 questions using the information from the selection.
Mr. E. Science
Sound
Since light travels faster than sound, some people may appear bright until you hear them speak. The presentation covers what sound is, how fast it travels in various mediums, properties of sound, hearing, and the parts of the human...
Teach Engineering
Concentrate This! Sugar or Salt...
Heat up your lessons on boiling points. The resource provides a three-part activity: first, groups find the boiling point of solutions; second, they create boiling point curves for salt and sugar solutions; and third, they mix a solution...
Curated OER
Must Know Words for Spelling
In this spelling worksheet, students learn key words that are must knows for spelling. There are about three hundred words and cover words from A to Z.
Sophia Learning
Sophia: Physics: Bill Nye: Eggs Speriment
Created to teach students of the 21st century, SOPHIA is bringing science straight to your fingertips. Become the commander of your own learning experiences as you take part in this density experiment.
Nobel Media AB
The Nobel Prize: Lord Rayleigh Biographical
At this site from the Nobel e-Museum, you can read about the scientific work of Lord Rayleigh (1842-1919 CE). This article includes information on his education and experiments with light and sound waves.